{"id":85469,"date":"2026-07-27T16:25:58","date_gmt":"2026-07-27T08:25:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85469.html"},"modified":"2026-07-27T16:25:58","modified_gmt":"2026-07-27T08:25:58","slug":"linux%e5%91%bd%e4%bb%a4-nfsstat%ef%bc%88%e6%98%be%e7%a4%ba-nfs%ef%bc%88network-file-system%ef%bc%89%e5%ae%a2%e6%88%b7%e7%ab%af%e5%92%8c%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bb%9f%e8%ae%a1%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85469.html","title":{"rendered":"Linux\u547d\u4ee4-nfsstat\uff08\u663e\u793a NFS\uff08Network File System\uff09\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f\uff09"},"content":{"rendered":"<p>nfsstat \u662f Linux \u4e2d\u4e00\u4e2a\u663e\u793a NFS&#xff08;Network File System&#xff09;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f\u7684\u547d\u4ee4\u3002\u5b83\u7528\u4e8e\u76d1\u63a7 NFS \u6027\u80fd\u3001\u6392\u67e5 NFS \u76f8\u5173\u95ee\u9898&#xff0c;\u663e\u793a NFS \u548c RPC \u8c03\u7528\u7684\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n<h4>&#x1f4d6; \u57fa\u672c\u8bed\u6cd5<\/h4>\n<p>nfsstat <span class=\"token punctuation\">[<\/span>\u9009\u9879<span class=\"token punctuation\">]<\/span><\/p>\n<p>\u91cd\u8981\u7279\u6027&#xff1a;<\/p>\n<ul>\n<li>\u663e\u793a NFS \u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f<\/li>\n<li>\u663e\u793a NFS \u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f<\/li>\n<li>\u663e\u793a RPC \u7edf\u8ba1\u4fe1\u606f<\/li>\n<li>\u652f\u6301\u91cd\u7f6e\u7edf\u8ba1\u8ba1\u6570\u5668<\/li>\n<li>\u663e\u793a\u8be6\u7ec6\u7684 NFS \u8c03\u7528\u7edf\u8ba1<\/li>\n<\/ul>\n<h4>&#x1f3af; \u5e38\u7528\u9009\u9879<\/h4>\n<table>\n<tr>\u9009\u9879\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">-s<\/td>\n<td align=\"left\">\u663e\u793a NFS \u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-c<\/td>\n<td align=\"left\">\u663e\u793a NFS \u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-n<\/td>\n<td align=\"left\">\u663e\u793a NFS \u7edf\u8ba1\u4fe1\u606f&#xff08;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668&#xff09;\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-r<\/td>\n<td align=\"left\">\u663e\u793a RPC \u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-o<\/td>\n<td align=\"left\">\u6307\u5b9a\u8981\u663e\u793a\u7684\u7edf\u8ba1\u7c7b\u522b\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-z<\/td>\n<td align=\"left\">\u91cd\u7f6e&#xff08;\u6e05\u96f6&#xff09;\u7edf\u8ba1\u8ba1\u6570\u5668\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-m<\/td>\n<td align=\"left\">\u663e\u793a\u6302\u8f7d\u7684 NFS \u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-2<\/td>\n<td align=\"left\">\u663e\u793a NFSv2 \u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-3<\/td>\n<td align=\"left\">\u663e\u793a NFSv3 \u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-4<\/td>\n<td align=\"left\">\u663e\u793a NFSv4 \u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-l<\/td>\n<td align=\"left\">\u4ee5\u5217\u8868\u683c\u5f0f\u663e\u793a\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-v<\/td>\n<td align=\"left\">\u663e\u793a\u8be6\u7ec6\u8f93\u51fa\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">-h<\/td>\n<td align=\"left\">\u663e\u793a\u5e2e\u52a9\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>&#x1f4a1; \u6838\u5fc3\u7528\u6cd5\u793a\u4f8b<\/h4>\n<h5>1. \u57fa\u672c\u7edf\u8ba1\u4fe1\u606f<\/h5>\n<p><span class=\"token comment\"># \u663e\u793a\u6240\u6709 NFS \u7edf\u8ba1\u4fe1\u606f&#xff08;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668&#xff09;<\/span><br \/>\nnfsstat<\/p>\n<p><span class=\"token comment\"># \u663e\u793a NFS \u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a NFS \u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-s<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a NFS \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-cn<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-sn<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a RPC \u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-r<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u6240\u6709\u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-r<\/span><\/p>\n<h5>2. \u6309 NFS \u7248\u672c\u663e\u793a<\/h5>\n<p><span class=\"token comment\"># \u663e\u793a NFSv2 \u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-2<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a NFSv3 \u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-3<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a NFSv4 \u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-4<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u7279\u5b9a\u7248\u672c\u7684\u5ba2\u6237\u7aef\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-3<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-4<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u7279\u5b9a\u7248\u672c\u7684\u670d\u52a1\u5668\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-3<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-4<\/span><\/p>\n<h5>3. \u663e\u793a\u6302\u8f7d\u4fe1\u606f<\/h5>\n<p><span class=\"token comment\"># \u663e\u793a\u6302\u8f7d\u7684 NFS \u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-m<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u7279\u5b9a\u6302\u8f7d\u70b9\u7684\u4fe1\u606f<\/span><br \/>\n<span class=\"token function\">mount<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> nfs<br \/>\nnfsstat <span class=\"token parameter variable\">-m<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034;\/mnt\/nfs&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u8be6\u7ec6\u7684\u6302\u8f7d\u4fe1\u606f<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-m<\/span> <span class=\"token parameter variable\">-v<\/span><\/p>\n<h5>4. \u91cd\u7f6e\u7edf\u8ba1\u4fe1\u606f<\/h5>\n<p><span class=\"token comment\"># \u91cd\u7f6e\u6240\u6709 NFS \u7edf\u8ba1\u8ba1\u6570\u5668<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-z<\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u7f6e NFS \u5ba2\u6237\u7aef\u7edf\u8ba1<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-z<\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u7f6e NFS \u670d\u52a1\u5668\u7edf\u8ba1<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-z<\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u7f6e RPC \u7edf\u8ba1<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-r<\/span> <span class=\"token parameter variable\">-z<\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u7f6e\u7279\u5b9a\u7248\u672c\u7edf\u8ba1<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-3<\/span> <span class=\"token parameter variable\">-z<\/span><br \/>\n<span class=\"token function\">sudo<\/span> nfsstat <span class=\"token parameter variable\">-4<\/span> <span class=\"token parameter variable\">-z<\/span><\/p>\n<h5>5. \u9ad8\u7ea7\u7528\u6cd5<\/h5>\n<p><span class=\"token comment\"># \u663e\u793a\u7279\u5b9a\u7edf\u8ba1\u7c7b\u522b<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> all          <span class=\"token comment\"># \u663e\u793a\u6240\u6709\u7c7b\u522b<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> net          <span class=\"token comment\"># \u663e\u793a\u7f51\u7edc\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> rpc          <span class=\"token comment\"># \u663e\u793a RPC \u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> proc2        <span class=\"token comment\"># \u663e\u793a NFSv2 \u8fc7\u7a0b\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> proc3        <span class=\"token comment\"># \u663e\u793a NFSv3 \u8fc7\u7a0b\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-o<\/span> proc4        <span class=\"token comment\"># \u663e\u793a NFSv4 \u8fc7\u7a0b\u7edf\u8ba1<\/span><\/p>\n<p><span class=\"token comment\"># \u4ee5\u5217\u8868\u683c\u5f0f\u663e\u793a<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-l<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u8be6\u7ec6\u8f93\u51fa<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-v<\/span><\/p>\n<p><span class=\"token comment\"># \u7ec4\u5408\u4f7f\u7528\u591a\u4e2a\u9009\u9879<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-3<\/span> <span class=\"token parameter variable\">-l<\/span>        <span class=\"token comment\"># \u4ee5\u5217\u8868\u683c\u5f0f\u663e\u793a NFSv3 \u5ba2\u6237\u7aef\u7edf\u8ba1<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token parameter variable\">-4<\/span> <span class=\"token parameter variable\">-v<\/span>        <span class=\"token comment\"># \u663e\u793a\u8be6\u7ec6\u7684 NFSv4 \u670d\u52a1\u5668\u7edf\u8ba1<\/span><\/p>\n<h4>&#x1f4ca; \u8f93\u51fa\u89e3\u8bfb<\/h4>\n<h5>NFS \u5ba2\u6237\u7aef\u7edf\u8ba1\u793a\u4f8b<\/h5>\n<p>Client rpc stats:<br \/>\ncalls      retrans    authrefrsh<br \/>\n125678     12         0<\/p>\n<p>Client nfs v3:<br \/>\nnull         getattr      setattr      lookup       access       readlink<br \/>\n0 0%         1250 10%     45 0%        5678 45%     2345 19%     123 1%<br \/>\nread         write        create       mkdir        symlink      mknod<br \/>\n3456 28%     234 2%       67 0%        12 0%        5 0%         0 0%<br \/>\nremove       rmdir        rename       link         readdir      readdirplus<br \/>\n89 0%        4 0%         23 0%        8 0%         456 4%       567 5%<br \/>\nfsstat       fsinfo       pathconf     commit<br \/>\n34 0%        12 0%        5 0%         45 0%        <\/p>\n<p>\u5173\u952e\u5b57\u6bb5\u89e3\u91ca&#xff1a;<\/p>\n<ul>\n<li>calls&#xff1a;RPC \u8c03\u7528\u603b\u6570<\/li>\n<li>retrans&#xff1a;\u91cd\u4f20\u6b21\u6570&#xff08;\u9ad8\u503c\u53ef\u80fd\u8868\u793a\u7f51\u7edc\u95ee\u9898&#xff09;<\/li>\n<li>authrefrsh&#xff1a;\u8ba4\u8bc1\u5237\u65b0\u6b21\u6570<\/li>\n<li>\u5404 NFS \u64cd\u4f5c\u767e\u5206\u6bd4&#xff1a;\u663e\u793a\u6bcf\u79cd\u64cd\u4f5c\u7684\u5206\u5e03\u60c5\u51b5<\/li>\n<\/ul>\n<h5>NFS \u670d\u52a1\u5668\u7edf\u8ba1\u793a\u4f8b<\/h5>\n<p>Server rpc stats:<br \/>\ncalls      badcalls   nullrecv   badlen     xdrcall<br \/>\n234567     12         0          5          3          <\/p>\n<p>Server nfs v3:<br \/>\nnull         getattr      setattr      lookup       access       readlink<br \/>\n0 0%         4567 19%     234 1%        12345 53%    3456 15%     123 0%<br \/>\nread         write        create       mkdir        symlink      mknod<br \/>\n2345 10%     456 2%       89 0%         23 0%        5 0%         0 0%<br \/>\nremove       rmdir        rename       link         readdir      readdirplus<br \/>\n67 0%        4 0%         34 0%         12 0%        234 1%       345 1%<br \/>\nfsstat       fsinfo       pathconf     commit<br \/>\n23 0%        12 0%        5 0%          45 0%        <\/p>\n<p>\u5173\u952e\u5b57\u6bb5\u89e3\u91ca&#xff1a;<\/p>\n<ul>\n<li>badcalls&#xff1a;\u9519\u8bef\u7684 RPC \u8c03\u7528\u6570<\/li>\n<li>nullrecv&#xff1a;\u7a7a\u63a5\u6536\u6570<\/li>\n<li>badlen&#xff1a;\u9519\u8bef\u957f\u5ea6\u8c03\u7528\u6570<\/li>\n<li>xdrcall&#xff1a;XDR \u89e3\u7801\u9519\u8bef\u6570<\/li>\n<\/ul>\n<h5>RPC \u7edf\u8ba1\u793a\u4f8b<\/h5>\n<p>rcp:<br \/>\ncalls      badcalls   retrans    badxids    timeouts   wait       newcred<br \/>\n345678     23         45         12         34         5          0<br \/>\ntimers     toobig     nomem      cantsend<br \/>\n12         3          0          2          <\/p>\n<h4>&#x1f527; \u5b9e\u7528\u573a\u666f\u793a\u4f8b<\/h4>\n<h5>1. \u76d1\u63a7 NFS \u6027\u80fd<\/h5>\n<p><span class=\"token comment\"># \u76d1\u63a7 NFS \u5ba2\u6237\u7aef\u6027\u80fd<\/span><br \/>\n<span class=\"token function\">watch<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span> <span class=\"token string\">&#039;nfsstat -c&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7 NFS \u670d\u52a1\u5668\u6027\u80fd<\/span><br \/>\n<span class=\"token function\">watch<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span> <span class=\"token string\">&#039;nfsstat -s&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7\u91cd\u4f20\u6b21\u6570&#xff08;\u7f51\u7edc\u95ee\u9898\u6307\u6807&#xff09;<\/span><br \/>\n<span class=\"token function\">watch<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">2<\/span> <span class=\"token string\">&#039;nfsstat -c | grep -A1 &#034;Client rpc stats&#034;&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7 NFSv4 \u6027\u80fd<\/span><br \/>\n<span class=\"token function\">watch<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span> <span class=\"token string\">&#039;nfsstat -c -4&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7\u7279\u5b9a\u64cd\u4f5c\u7684\u6027\u80fd<\/span><br \/>\n<span class=\"token function\">watch<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">3<\/span> <span class=\"token string\">&#039;nfsstat -c -3 | grep -E &#034;(read|write)&#034;&#039;<\/span><\/p>\n<h5>2. \u6392\u67e5 NFS \u95ee\u9898<\/h5>\n<p><span class=\"token comment\"># \u68c0\u67e5\u91cd\u4f20\u7387&#xff08;\u9ad8\u91cd\u4f20\u7387\u8868\u793a\u7f51\u7edc\u95ee\u9898&#xff09;<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print &#034;\u91cd\u4f20\u7387:&#034;, $2\/$1*100 &#034;%&#034;}&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5\u9519\u8bef\u8c03\u7528\u7387<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Server rpc stats:\/ {getline; print &#034;\u9519\u8bef\u8c03\u7528\u7387:&#034;, $2\/$1*100 &#034;%&#034;}&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5\u8ba4\u8bc1\u95ee\u9898<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034;authrefrsh&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5\u8d85\u65f6\u60c5\u51b5<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-r<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034;timeouts&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5\u7f51\u7edc\u7f13\u51b2\u533a\u95ee\u9898<\/span><br \/>\nnfsstat <span class=\"token parameter variable\">-r<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-E<\/span> <span class=\"token string\">&#034;(toobig|nomem|cantsend)&#034;<\/span><\/p>\n<h5>3. \u6027\u80fd\u5206\u6790\u811a\u672c<\/h5>\n<p><span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token comment\"># NFS \u6027\u80fd\u76d1\u63a7\u811a\u672c<\/span><\/p>\n<p><span class=\"token assign-left variable\">LOG_FILE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/var\/log\/nfs_performance.log&#034;<\/span><br \/>\n<span class=\"token assign-left variable\">INTERVAL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">60<\/span>  <span class=\"token comment\"># \u76d1\u63a7\u95f4\u9694&#xff08;\u79d2&#xff09;<\/span><br \/>\n<span class=\"token assign-left variable\">ALERT_THRESHOLD<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">5<\/span>  <span class=\"token comment\"># \u91cd\u4f20\u7387\u8b66\u62a5\u9608\u503c&#xff08;%&#xff09;<\/span><br \/>\n<span class=\"token assign-left variable\">ALERT_EMAIL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;admin&#064;example.com&#034;<\/span><\/p>\n<p><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u5f00\u59cb NFS \u6027\u80fd\u76d1\u63a7 <span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u76d1\u63a7\u95f4\u9694: <span class=\"token variable\">${INTERVAL}<\/span>\u79d2&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u91cd\u4f20\u7387\u8b66\u62a5\u9608\u503c: <span class=\"token variable\">${ALERT_THRESHOLD}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p><span class=\"token function-name function\">monitor_nfs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">timestamp<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> <span class=\"token string\">&#039;&#043;%Y-%m-%d %H:%M:%S&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token comment\"># \u83b7\u53d6\u5ba2\u6237\u7aef\u7edf\u8ba1<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">client_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-c<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">server_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-s<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">rpc_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-r<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token comment\"># \u89e3\u6790\u5173\u952e\u6307\u6807<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">calls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $1}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $2}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">badcalls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$server_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Server rpc stats:\/ {getline; print $2}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">timeouts<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$rpc_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^rpc:\/ {getline; print $5}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token comment\"># \u8ba1\u7b97\u91cd\u4f20\u7387<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$calls<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token assign-left variable\">retrans_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$retrans<\/span> \/ <span class=\"token variable\">$calls<\/span> * 100&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8ba1\u7b97\u9519\u8bef\u7387<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">error_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">server_calls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$server_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Server rpc stats:\/ {getline; print $1}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$server_calls<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token assign-left variable\">error_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$badcalls<\/span> \/ <span class=\"token variable\">$server_calls<\/span> * 100&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8bb0\u5f55\u5230\u65e5\u5fd7<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;[<span class=\"token variable\">$timestamp<\/span>] NFS \u6027\u80fd\u6307\u6807:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u5ba2\u6237\u7aef\u8c03\u7528\u6b21\u6570: <span class=\"token variable\">$calls<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u91cd\u4f20\u6b21\u6570: <span class=\"token variable\">$retrans<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u91cd\u4f20\u7387: <span class=\"token variable\">${retrans_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u670d\u52a1\u5668\u9519\u8bef\u8c03\u7528: <span class=\"token variable\">$badcalls<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u9519\u8bef\u7387: <span class=\"token variable\">${error_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  RPC \u8d85\u65f6\u6b21\u6570: <span class=\"token variable\">$timeouts<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u67e5\u64cd\u4f5c\u5206\u5e03&#xff08;NFSv3 \u793a\u4f8b&#xff09;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  NFSv3 \u64cd\u4f5c\u5206\u5e03:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-A20<\/span> <span class=\"token string\">&#034;Client nfs v3:&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-20<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u67e5\u8b66\u62a5\u6761\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token variable\"><span class=\"token punctuation\">((<\/span> $<span class=\"token punctuation\">(<\/span>echo &#034;$retrans_rate <span class=\"token operator\">&gt;<\/span> $ALERT_THRESHOLD&#034; <span class=\"token operator\">|<\/span> bc <span class=\"token operator\">&#8211;<\/span>l<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">))<\/span><\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;[\u8b66\u62a5] \u91cd\u4f20\u7387\u8fc7\u9ad8: <span class=\"token variable\">${retrans_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;NFS \u91cd\u4f20\u7387\u5f02\u5e38: <span class=\"token variable\">${retrans_rate}<\/span>% (\u9608\u503c: <span class=\"token variable\">${ALERT_THRESHOLD}<\/span>%)&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n            mail <span class=\"token parameter variable\">-s<\/span> <span class=\"token string\">&#034;NFS \u6027\u80fd\u8b66\u62a5 &#8211; <span class=\"token variable\">$timestamp<\/span>&#034;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$ALERT_EMAIL<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$timeouts<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">10<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;[\u8b66\u62a5] RPC \u8d85\u65f6\u8fc7\u591a: <span class=\"token variable\">$timeouts<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;RPC \u8d85\u65f6\u6b21\u6570\u5f02\u5e38: <span class=\"token variable\">$timeouts<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n            mail <span class=\"token parameter variable\">-s<\/span> <span class=\"token string\">&#034;NFS RPC \u8d85\u65f6\u8b66\u62a5 &#8211; <span class=\"token variable\">$timestamp<\/span>&#034;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$ALERT_EMAIL<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u4e3b\u5faa\u73af<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n    monitor_nfs<br \/>\n    <span class=\"token function\">sleep<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$INTERVAL<\/span>&#034;<\/span><br \/>\n<span class=\"token keyword\">done<\/span><\/p>\n<h5>4. NFS \u5065\u5eb7\u68c0\u67e5\u811a\u672c<\/h5>\n<p><span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token comment\"># NFS \u5065\u5eb7\u68c0\u67e5\u811a\u672c<\/span><\/p>\n<p><span class=\"token assign-left variable\">CHECK_INTERVAL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">300<\/span>  <span class=\"token comment\"># \u68c0\u67e5\u95f4\u9694&#xff08;\u79d2&#xff09;<\/span><br \/>\n<span class=\"token assign-left variable\">LOG_FILE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/var\/log\/nfs_health.log&#034;<\/span><br \/>\n<span class=\"token assign-left variable\">ALERT_EMAIL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;admin&#064;example.com&#034;<\/span><\/p>\n<p><span class=\"token comment\"># NFS \u6302\u8f7d\u70b9\u5217\u8868<\/span><br \/>\n<span class=\"token assign-left variable\">NFS_MOUNTS<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;\/mnt\/nfs_share1&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;\/mnt\/nfs_share2&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;\/data\/nfs_backup&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;\/home\/nfs_homes&#034;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u5f00\u59cb NFS \u5065\u5eb7\u68c0\u67e5 <span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u68c0\u67e5\u95f4\u9694: <span class=\"token variable\">${CHECK_INTERVAL}<\/span>\u79d2&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p><span class=\"token function-name function\">check_nfs_health<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">timestamp<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> <span class=\"token string\">&#039;&#043;%Y-%m-%d %H:%M:%S&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">issues_found<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;[<span class=\"token variable\">$timestamp<\/span>] NFS \u5065\u5eb7\u68c0\u67e5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># 1. \u68c0\u67e5 NFS \u6302\u8f7d\u70b9<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  1. \u6302\u8f7d\u70b9\u68c0\u67e5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">mount_point<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">${NFS_MOUNTS<span class=\"token punctuation\">[<\/span>&#064;<span class=\"token punctuation\">]<\/span>}<\/span>&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> mountpoint <span class=\"token parameter variable\">-q<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$mount_point<\/span>&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token comment\"># \u83b7\u53d6\u6302\u8f7d\u4fe1\u606f<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">mount_info<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">mount<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034; <span class=\"token variable\">$mount_point<\/span> &#034;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">nfs_version<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$mount_info<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-o<\/span> <span class=\"token string\">&#034;vers&#061;[0-9.]*&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">cut<\/span> <span class=\"token parameter variable\">-d<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token parameter variable\">-f2<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">mount_options<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$mount_info<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-o<\/span> <span class=\"token string\">&#034;\\\\([^ ]*,\\\\)*[^ ]*&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-1<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2713 <span class=\"token variable\">$mount_point<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;      \u7248\u672c: NFSv<span class=\"token variable\">${nfs_version<span class=\"token operator\">:-<\/span>\u672a\u77e5}<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;      \u9009\u9879: <span class=\"token variable\">${mount_options}<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>            <span class=\"token comment\"># \u6d4b\u8bd5\u8bfb\u5199<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">test_file<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;<span class=\"token variable\">$mount_point<\/span>\/.nfs_test_<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s<span class=\"token variable\">)<\/span><\/span>&#034;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token function\">touch<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$test_file<\/span>&#034;<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;      \u5199\u6d4b\u8bd5: \u6b63\u5e38&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n                <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$test_file<\/span>&#034;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;      \u5199\u6d4b\u8bd5: \u5931\u8d25&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n                <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n            <span class=\"token keyword\">fi<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2717 <span class=\"token variable\">$mount_point<\/span>: \u672a\u6302\u8f7d&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><br \/>\n    <span class=\"token keyword\">done<\/span><\/p>\n<p>    <span class=\"token comment\"># 2. \u68c0\u67e5 NFS \u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  2. \u7edf\u8ba1\u4fe1\u606f\u68c0\u67e5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5ba2\u6237\u7aef\u7edf\u8ba1<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">client_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $2}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">calls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $1}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$calls<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$retrans<\/span> \/ <span class=\"token variable\">$calls<\/span> * 100&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u5ba2\u6237\u7aef\u91cd\u4f20\u7387: <span class=\"token variable\">${retrans_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token variable\"><span class=\"token punctuation\">((<\/span> $<span class=\"token punctuation\">(<\/span>echo &#034;$retrans_rate <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">5<\/span>&#034; <span class=\"token operator\">|<\/span> bc <span class=\"token operator\">&#8211;<\/span>l<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">))<\/span><\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    [\u8b66\u544a] \u91cd\u4f20\u7387\u504f\u9ad8&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n                <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n            <span class=\"token keyword\">fi<\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u5ba2\u6237\u7aef\u7edf\u8ba1: \u4e0d\u53ef\u7528&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token comment\"># \u670d\u52a1\u5668\u7edf\u8ba1&#xff08;\u5982\u679c\u8fd0\u884c NFS \u670d\u52a1\u5668&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> systemctl is-active nfs-server <span class=\"token operator\">&gt;<\/span>\/dev\/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span><span class=\"token file-descriptor important\">&amp;1<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n       systemctl is-active nfs-kernel-server <span class=\"token operator\">&gt;<\/span>\/dev\/null <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span><span class=\"token file-descriptor important\">&amp;1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">server_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-s<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<span class=\"token variable\">)<\/span><\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$server_stats<\/span>&#034;<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">badcalls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$server_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Server rpc stats:\/ {getline; print $2}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">server_calls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$server_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Server rpc stats:\/ {getline; print $1}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$server_calls<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">error_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$badcalls<\/span> \/ <span class=\"token variable\">$server_calls<\/span> * 100&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n                <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u670d\u52a1\u5668\u9519\u8bef\u7387: <span class=\"token variable\">${error_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>                <span class=\"token keyword\">if<\/span> <span class=\"token variable\"><span class=\"token punctuation\">((<\/span> $<span class=\"token punctuation\">(<\/span>echo &#034;$error_rate <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1<\/span>&#034; <span class=\"token operator\">|<\/span> bc <span class=\"token operator\">&#8211;<\/span>l<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">))<\/span><\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    [\u8b66\u544a] \u9519\u8bef\u7387\u504f\u9ad8&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n                    <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n                <span class=\"token keyword\">fi<\/span><br \/>\n            <span class=\"token keyword\">fi<\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token comment\"># 3. \u68c0\u67e5 RPC \u670d\u52a1<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  3. RPC \u670d\u52a1\u68c0\u67e5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">rpc_services<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;rpcbind&#034;<\/span> <span class=\"token string\">&#034;rpc.statd&#034;<\/span> <span class=\"token string\">&#034;rpc.mountd&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">service<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">${rpc_services<span class=\"token punctuation\">[<\/span>&#064;<span class=\"token punctuation\">]<\/span>}<\/span>&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> pgrep <span class=\"token parameter variable\">-x<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$service<\/span>&#034;<\/span> <span class=\"token operator\">&gt;<\/span>\/dev\/null<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2713 <span class=\"token variable\">$service<\/span>: \u8fd0\u884c\u4e2d&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2717 <span class=\"token variable\">$service<\/span>: \u672a\u8fd0\u884c&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><br \/>\n    <span class=\"token keyword\">done<\/span><\/p>\n<p>    <span class=\"token comment\"># 4. \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  4. \u7f51\u7edc\u8fde\u63a5\u68c0\u67e5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">nfs_ports<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;2049&#034;<\/span> <span class=\"token string\">&#034;111&#034;<\/span> <span class=\"token string\">&#034;20048&#034;<\/span> <span class=\"token string\">&#034;20049&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">port<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">${nfs_ports<span class=\"token punctuation\">[<\/span>&#064;<span class=\"token punctuation\">]<\/span>}<\/span>&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> ss <span class=\"token parameter variable\">-tuln<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-q<\/span> <span class=\"token string\">&#034;:<span class=\"token variable\">$port<\/span> &#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2713 \u7aef\u53e3 <span class=\"token variable\">$port<\/span>: \u76d1\u542c\u4e2d&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2717 \u7aef\u53e3 <span class=\"token variable\">$port<\/span>: \u672a\u76d1\u542c&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token variable\"><span class=\"token punctuation\">((<\/span>issues_found<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">))<\/span><\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><br \/>\n    <span class=\"token keyword\">done<\/span><\/p>\n<p>    <span class=\"token comment\"># \u603b\u7ed3<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  5. \u68c0\u67e5\u603b\u7ed3:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$issues_found<\/span> <span class=\"token parameter variable\">-eq<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2713 \u6240\u6709\u68c0\u67e5\u901a\u8fc7&#xff0c;NFS \u72b6\u6001\u6b63\u5e38&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u2717 \u53d1\u73b0 <span class=\"token variable\">$issues_found<\/span> \u4e2a\u95ee\u9898&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>        <span class=\"token comment\"># \u53d1\u9001\u8b66\u62a5\u90ae\u4ef6<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;NFS \u5065\u5eb7\u68c0\u67e5\u53d1\u73b0\u95ee\u9898: <span class=\"token variable\">$issues_found<\/span> \u4e2a&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n            mail <span class=\"token parameter variable\">-s<\/span> <span class=\"token string\">&#034;NFS \u5065\u5eb7\u68c0\u67e5\u8b66\u62a5 &#8211; <span class=\"token variable\">$timestamp<\/span>&#034;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$ALERT_EMAIL<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u4e3b\u5faa\u73af<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n    check_nfs_health<br \/>\n    <span class=\"token function\">sleep<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$CHECK_INTERVAL<\/span>&#034;<\/span><br \/>\n<span class=\"token keyword\">done<\/span><\/p>\n<h5>5. NFS \u6027\u80fd\u4f18\u5316\u76d1\u63a7<\/h5>\n<p><span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token comment\"># NFS \u6027\u80fd\u4f18\u5316\u76d1\u63a7\u811a\u672c<\/span><\/p>\n<p><span class=\"token assign-left variable\">LOG_FILE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/var\/log\/nfs_optimization.log&#034;<\/span><br \/>\n<span class=\"token assign-left variable\">INTERVAL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">30<\/span>  <span class=\"token comment\"># \u76d1\u63a7\u95f4\u9694&#xff08;\u79d2&#xff09;<\/span><br \/>\n<span class=\"token assign-left variable\">SAMPLE_COUNT<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span>  <span class=\"token comment\"># \u91c7\u6837\u6b21\u6570<\/span><br \/>\n<span class=\"token assign-left variable\">ALERT_EMAIL<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;admin&#064;example.com&#034;<\/span><\/p>\n<p><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u5f00\u59cb NFS \u6027\u80fd\u4f18\u5316\u76d1\u63a7 <span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u76d1\u63a7\u95f4\u9694: <span class=\"token variable\">${INTERVAL}<\/span>\u79d2&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;\u91c7\u6837\u6b21\u6570: <span class=\"token variable\">${SAMPLE_COUNT}<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u51fd\u6570<\/span><br \/>\n<span class=\"token function-name function\">benchmark_nfs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">mount_point<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;<span class=\"token variable\">$1<\/span>&#034;<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">test_size_mb<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">100<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">test_file<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;<span class=\"token variable\">$mount_point<\/span>\/nfs_benchmark_<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s<span class=\"token variable\">)<\/span><\/span>.dat&#034;<\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u5bf9 <span class=\"token variable\">$mount_point<\/span> \u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5199\u6027\u80fd\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">write_start<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s.%N<span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token function\">dd<\/span> <span class=\"token assign-left variable\">if<\/span><span class=\"token operator\">&#061;<\/span>\/dev\/zero <span class=\"token assign-left variable\">of<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;<span class=\"token variable\">$test_file<\/span>&#034;<\/span> <span class=\"token assign-left variable\">bs<\/span><span class=\"token operator\">&#061;<\/span>1M <span class=\"token assign-left variable\">count<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\">$test_size_mb<\/span> <span class=\"token assign-left variable\">oflag<\/span><span class=\"token operator\">&#061;<\/span>direct <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">write_end<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s.%N<span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">write_time<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$write_end<\/span> &#8211; <span class=\"token variable\">$write_start<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">write_speed<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$test_size_mb<\/span> \/ <span class=\"token variable\">$write_time<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u5199\u901f\u5ea6: <span class=\"token variable\">${write_speed}<\/span> MB\/s&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8bfb\u6027\u80fd\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">read_start<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s.%N<span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token function\">dd<\/span> <span class=\"token assign-left variable\">if<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;<span class=\"token variable\">$test_file<\/span>&#034;<\/span> <span class=\"token assign-left variable\">of<\/span><span class=\"token operator\">&#061;<\/span>\/dev\/null <span class=\"token assign-left variable\">bs<\/span><span class=\"token operator\">&#061;<\/span>1M <span class=\"token assign-left variable\">iflag<\/span><span class=\"token operator\">&#061;<\/span>direct <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">read_end<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%s.%N<span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">read_time<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$read_end<\/span> &#8211; <span class=\"token variable\">$read_start<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">read_speed<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$test_size_mb<\/span> \/ <span class=\"token variable\">$read_time<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u8bfb\u901f\u5ea6: <span class=\"token variable\">${read_speed}<\/span> MB\/s&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6e05\u7406\u6d4b\u8bd5\u6587\u4ef6<\/span><br \/>\n    <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-f<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$test_file<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8fd4\u56de\u901f\u5ea6\u503c<\/span><br \/>\n    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$write_speed<\/span> <span class=\"token variable\">$read_speed<\/span>&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token function-name function\">monitor_nfs_performance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">timestamp<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> <span class=\"token string\">&#039;&#043;%Y-%m-%d %H:%M:%S&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;[<span class=\"token variable\">$timestamp<\/span>] NFS \u6027\u80fd\u76d1\u63a7:&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u83b7\u53d6\u6240\u6709 NFS \u6302\u8f7d\u70b9<\/span><br \/>\n    <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">nfs_mounts<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">mount<\/span> <span class=\"token parameter variable\">-t<\/span> nfs,nfs4 <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;{print $3}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token parameter variable\">-z<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$nfs_mounts<\/span>&#034;<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u672a\u627e\u5230 NFS \u6302\u8f7d\u70b9&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n        <span class=\"token builtin class-name\">return<\/span><br \/>\n    <span class=\"token keyword\">fi<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5bf9\u6bcf\u4e2a\u6302\u8f7d\u70b9\u8fdb\u884c\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token for-or-select variable\">mount_point<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token variable\">$nfs_mounts<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;  \u6302\u8f7d\u70b9: <span class=\"token variable\">$mount_point<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>        <span class=\"token comment\"># \u83b7\u53d6\u6302\u8f7d\u9009\u9879<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">mount_options<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">mount<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034; <span class=\"token variable\">$mount_point<\/span> &#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-o<\/span> <span class=\"token string\">&#034;\\\\([^ ]*,\\\\)*[^ ]*&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-1<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u6302\u8f7d\u9009\u9879: <span class=\"token variable\">$mount_options<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>        <span class=\"token comment\"># \u83b7\u53d6 NFS \u7248\u672c<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">nfs_version<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">mount<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token string\">&#034; <span class=\"token variable\">$mount_point<\/span> &#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-o<\/span> <span class=\"token string\">&#034;vers&#061;[0-9.]*&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">cut<\/span> <span class=\"token parameter variable\">-d<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token parameter variable\">-f2<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    NFS \u7248\u672c: v<span class=\"token variable\">${nfs_version<span class=\"token operator\">:-<\/span>\u672a\u77e5}<\/span>&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>        <span class=\"token comment\"># \u83b7\u53d6\u7edf\u8ba1\u4fe1\u606f<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">client_stats<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span>nfsstat <span class=\"token parameter variable\">-c<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null<span class=\"token variable\">)<\/span><\/span><\/p>\n<p>        <span class=\"token comment\"># \u5206\u6790\u64cd\u4f5c\u5206\u5e03<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token comment\"># \u83b7\u53d6\u8bfb\u5199\u64cd\u4f5c\u6bd4\u4f8b<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">read_ops<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-A30<\/span> <span class=\"token string\">&#034;Client nfs v<span class=\"token variable\">${nfs_version<span class=\"token operator\">:-<\/span>3}<\/span>:&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n                           <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-E<\/span> <span class=\"token string\">&#034;^\\\\s*read\\\\s&#043;&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;{print $2}&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-d<\/span> <span class=\"token string\">&#039;%&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">write_ops<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-A30<\/span> <span class=\"token string\">&#034;Client nfs v<span class=\"token variable\">${nfs_version<span class=\"token operator\">:-<\/span>3}<\/span>:&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n                            <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-E<\/span> <span class=\"token string\">&#034;^\\\\s*write\\\\s&#043;&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;{print $2}&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token parameter variable\">-d<\/span> <span class=\"token string\">&#039;%&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u8bfb\u64cd\u4f5c\u6bd4\u4f8b: <span class=\"token variable\">${read_ops<span class=\"token operator\">:-<\/span>0}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u5199\u64cd\u4f5c\u6bd4\u4f8b: <span class=\"token variable\">${write_ops<span class=\"token operator\">:-<\/span>0}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>            <span class=\"token comment\"># \u83b7\u53d6\u91cd\u4f20\u7387<\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">calls<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $1}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n            <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$client_stats<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">awk<\/span> <span class=\"token string\">&#039;\/^Client rpc stats:\/ {getline; print $2}&#039;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$calls<\/span> <span class=\"token parameter variable\">-gt<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">retrans_rate<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;scale&#061;2; <span class=\"token variable\">$retrans<\/span> \/ <span class=\"token variable\">$calls<\/span> * 100&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">bc<\/span><span class=\"token variable\">)<\/span><\/span><br \/>\n                <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u91cd\u4f20\u7387: <span class=\"token variable\">${retrans_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><\/p>\n<p>                <span class=\"token comment\"># \u91cd\u4f20\u7387\u8b66\u62a5<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token variable\"><span class=\"token punctuation\">((<\/span> $<span class=\"token punctuation\">(<\/span>echo &#034;$retrans_rate <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">3<\/span>&#034; <span class=\"token operator\">|<\/span> bc <span class=\"token operator\">&#8211;<\/span>l<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">))<\/span><\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n                    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    [\u8b66\u544a] \u91cd\u4f20\u7387\u504f\u9ad8&#xff0c;\u53ef\u80fd\u5b58\u5728\u7f51\u7edc\u95ee\u9898&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n                    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;NFS \u91cd\u4f20\u7387\u8b66\u62a5: <span class=\"token variable\">$mount_point<\/span> \u91cd\u4f20\u7387 <span class=\"token variable\">${retrans_rate}<\/span>%&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n                        mail <span class=\"token parameter variable\">-s<\/span> <span class=\"token string\">&#034;NFS \u7f51\u7edc\u95ee\u9898\u8b66\u62a5 &#8211; <span class=\"token variable\">$timestamp<\/span>&#034;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$ALERT_EMAIL<\/span>&#034;<\/span><br \/>\n                <span class=\"token keyword\">fi<\/span><br \/>\n            <span class=\"token keyword\">fi<\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><\/p>\n<p>        <span class=\"token comment\"># \u5b9a\u671f\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5&#xff08;\u6bcf10\u6b21\u76d1\u63a7\u6267\u884c\u4e00\u6b21&#xff09;<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">sample_count_file<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/tmp\/nfs_sample_count_<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$mount_point<\/span>&#034;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">tr<\/span> <span class=\"token string\">&#039;\/&#039;<\/span> <span class=\"token string\">&#039;_&#039;<\/span><span class=\"token variable\">)<\/span><\/span>&#034;<\/span><br \/>\n        <span class=\"token builtin class-name\">local<\/span> <span class=\"token assign-left variable\">current_count<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">cat<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$sample_count_file<\/span>&#034;<\/span> <span class=\"token operator\"><span class=\"token file-descriptor important\">2<\/span>&gt;<\/span>\/dev\/null <span class=\"token operator\">||<\/span> <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;0&#034;<\/span><span class=\"token variable\">)<\/span><\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span> <span class=\"token variable\">$current_count<\/span> <span class=\"token parameter variable\">-ge<\/span> <span class=\"token variable\">$SAMPLE_COUNT<\/span> <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">then<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u6267\u884c\u57fa\u51c6\u6d4b\u8bd5&#8230;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            benchmark_nfs <span class=\"token string\">&#034;<span class=\"token variable\">$mount_point<\/span>&#034;<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;0&#034;<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$sample_count_file<\/span>&#034;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;    \u8df3\u8fc7\u57fa\u51c6\u6d4b\u8bd5 (<span class=\"token variable\">${current_count}<\/span>\/<span class=\"token variable\">${SAMPLE_COUNT}<\/span>)&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n            <span class=\"token builtin class-name\">echo<\/span> <span class=\"token variable\"><span class=\"token variable\">$((<\/span>current_count <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token variable\">))<\/span><\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$sample_count_file<\/span>&#034;<\/span><br \/>\n        <span class=\"token keyword\">fi<\/span><\/p>\n<p>        <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n    <span class=\"token keyword\">done<\/span><\/p>\n<p>    <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$LOG_FILE<\/span>&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u4e3b\u5faa\u73af<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">do<\/span><br \/>\n    monitor_nfs_performance<br \/>\n    <span class=\"token function\">sleep<\/span> <span class=\"token string\">&#034;<span class=\"token variable\">$INTERVAL<\/span>&#034;<\/span><br \/>\n<span class=\"token keyword\">done<\/span><\/p>\n<h4>\u26a0\ufe0f \u91cd\u8981\u6ce8\u610f\u4e8b\u9879<\/h4>\n<li>\u6743\u9650\u8981\u6c42&#xff1a;\u67e5\u770b\u7edf\u8ba1\u4fe1\u606f\u901a\u5e38\u4e0d\u9700\u8981\u7279\u6b8a\u6743\u9650&#xff0c;\u4f46\u91cd\u7f6e\u7edf\u8ba1\u9700\u8981 root \u6743\u9650<\/li>\n<li>\u7edf\u8ba1\u91cd\u7f6e&#xff1a;\u91cd\u7f6e\u7edf\u8ba1\u4f1a\u6e05\u96f6\u6240\u6709\u8ba1\u6570\u5668&#xff0c;\u5f71\u54cd\u5386\u53f2\u6570\u636e\u5206\u6790<\/li>\n<li>\u7248\u672c\u5dee\u5f02&#xff1a;\u4e0d\u540c Linux \u53d1\u884c\u7248\u7684 nfsstat \u8f93\u51fa\u683c\u5f0f\u53ef\u80fd\u7565\u6709\u4e0d\u540c<\/li>\n<li>NFSv4 \u5dee\u5f02&#xff1a;NFSv4 \u7684\u7edf\u8ba1\u4fe1\u606f\u4e0e NFSv3 \u6709\u6240\u4e0d\u540c<\/li>\n<li>\u6027\u80fd\u5f71\u54cd&#xff1a;\u9891\u7e41\u8fd0\u884c nfsstat \u5bf9\u7cfb\u7edf\u6027\u80fd\u5f71\u54cd\u5f88\u5c0f<\/li>\n<h4>&#x1f504; \u76f8\u5173\u547d\u4ee4<\/h4>\n<table>\n<tr>\u547d\u4ee4\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">mount<\/td>\n<td align=\"left\">\u663e\u793a\u6302\u8f7d\u4fe1\u606f&#xff0c;\u5305\u62ec NFS \u6302\u8f7d<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">showmount<\/td>\n<td align=\"left\">\u663e\u793a NFS \u670d\u52a1\u5668\u4e0a\u7684\u6302\u8f7d\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">rpcinfo<\/td>\n<td align=\"left\">\u663e\u793a RPC \u670d\u52a1\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">nfsiostat<\/td>\n<td align=\"left\">\u663e\u793a NFS \u6302\u8f7d\u70b9\u7684 I\/O \u7edf\u8ba1&#xff08;\u9700\u8981\u5b89\u88c5 nfs-utils&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">iotop<\/td>\n<td align=\"left\">\u663e\u793a\u8fdb\u7a0b\u7ea7\u522b\u7684 I\/O \u7edf\u8ba1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>&#x1f4cc; \u6700\u4f73\u5b9e\u8df5<\/h4>\n<li>\u5b9a\u671f\u76d1\u63a7&#xff1a;\u5efa\u7acb\u5b9a\u671f\u7684 NFS \u6027\u80fd\u76d1\u63a7\u673a\u5236<\/li>\n<li>\u57fa\u7ebf\u5efa\u7acb&#xff1a;\u5728\u7cfb\u7edf\u6b63\u5e38\u65f6\u5efa\u7acb\u6027\u80fd\u57fa\u7ebf<\/li>\n<li>\u8b66\u62a5\u8bbe\u7f6e&#xff1a;\u8bbe\u7f6e\u5408\u7406\u7684\u8b66\u62a5\u9608\u503c&#xff08;\u5982\u91cd\u4f20\u7387 &gt; 5%&#xff09;<\/li>\n<li>\u65e5\u5fd7\u8bb0\u5f55&#xff1a;\u8bb0\u5f55\u5386\u53f2\u7edf\u8ba1\u4fe1\u606f\u7528\u4e8e\u8d8b\u52bf\u5206\u6790<\/li>\n<li>\u7248\u672c\u5347\u7ea7&#xff1a;\u8003\u8651\u5347\u7ea7\u5230 NFSv4 \u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027<\/li>\n<h4>&#x1f3af; \u5feb\u901f\u53c2\u8003\u5361<\/h4>\n<p>\u57fa\u672c\u67e5\u770b&#xff1a;<br \/>\n  nfsstat                     # \u663e\u793a\u6240\u6709\u7edf\u8ba1<br \/>\n  nfsstat -c                  # \u5ba2\u6237\u7aef\u7edf\u8ba1<br \/>\n  nfsstat -s                  # \u670d\u52a1\u5668\u7edf\u8ba1<br \/>\n  nfsstat -r                  # RPC \u7edf\u8ba1<br \/>\n  nfsstat -m                  # \u6302\u8f7d\u4fe1\u606f<\/p>\n<p>\u6309\u7248\u672c\u67e5\u770b&#xff1a;<br \/>\n  nfsstat -2                  # NFSv2 \u7edf\u8ba1<br \/>\n  nfsstat -3                  # NFSv3 \u7edf\u8ba1<br \/>\n  nfsstat -4                  # NFSv4 \u7edf\u8ba1<br \/>\n  nfsstat -c -3               # NFSv3 \u5ba2\u6237\u7aef\u7edf\u8ba1<\/p>\n<p>\u91cd\u7f6e\u7edf\u8ba1&#xff1a;<br \/>\n  sudo nfsstat -z             # \u91cd\u7f6e\u6240\u6709\u7edf\u8ba1<br \/>\n  sudo nfsstat -c -z          # \u91cd\u7f6e\u5ba2\u6237\u7aef\u7edf\u8ba1<br \/>\n  sudo nfsstat -s -z          # \u91cd\u7f6e\u670d\u52a1\u5668\u7edf\u8ba1<\/p>\n<p>\u5173\u952e\u6307\u6807&#xff1a;<br \/>\n  \u91cd\u4f20\u7387 &#061; retrans \/ calls * 100%<br \/>\n  \u9519\u8bef\u7387 &#061; badcalls \/ calls * 100%<br \/>\n  \u64cd\u4f5c\u5206\u5e03&#xff1a;read, write, lookup \u7b49<\/p>\n<p>\u76d1\u63a7\u547d\u4ee4&#xff1a;<br \/>\n  watch -n 5 &#039;nfsstat -c&#039;     # \u6bcf5\u79d2\u76d1\u63a7\u5ba2\u6237\u7aef<br \/>\n  nfsstat -c | grep retrans   # \u68c0\u67e5\u91cd\u4f20\u6b21\u6570<br \/>\n  nfsstat -s | grep badcalls  # \u68c0\u67e5\u9519\u8bef\u8c03\u7528<\/p>\n<p>nfsstat \u662f\u7ba1\u7406\u548c\u4f18\u5316 NFS \u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177&#xff0c;\u7279\u522b\u9002\u5408\u6392\u67e5 NFS \u76f8\u5173\u7684\u6027\u80fd\u95ee\u9898\u548c\u7f51\u7edc\u95ee\u9898\u3002\u901a\u8fc7\u5b9a\u671f\u76d1\u63a7\u548c\u5206\u6790\u7edf\u8ba1\u4fe1\u606f&#xff0c;\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3 NFS \u6027\u80fd\u74f6\u9888\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>nfsstat \u662f Linux \u4e2d\u4e00\u4e2a\u663e\u793a NFS&#xff08;Network File System&#xff09;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f\u7684\u547d\u4ee4\u3002\u5b83\u7528\u4e8e\u76d1\u63a7 NFS \u6027\u80fd\u3001\u6392\u67e5 NFS \u76f8\u5173\u95ee\u9898&#xff0c;\u663e\u793a NFS \u548c RPC \u8c03\u7528\u7684\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f\u3002<br \/>\n&#x1f4d6; \u57fa\u672c\u8bed\u6cd5<br \/>\nnfsstat [\u9009\u9879]\u91cd\u8981\u7279\u6027&#xff1a;<br \/>\n\u663e\u793a NFS \u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f\u663e\u793a NFS \u670d\u52a1\u5668\u7edf\u8ba1\u4fe1\u606f\u663e\u793a RPC \u7edf\u8ba1\u4fe1\u606f\u652f\u6301\u91cd\u7f6e\u7edf\u8ba1\u8ba1\u6570\u5668\u663e\u793a\u8be6\u7ec6\u7684 NFS \u8c03\u7528\u7edf\u8ba1<br \/>\n&amp;#<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-85469","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux\u547d\u4ee4-nfsstat\uff08\u663e\u793a NFS\uff08Network File 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