{"id":84455,"date":"2026-07-26T13:09:28","date_gmt":"2026-07-26T05:09:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84455.html"},"modified":"2026-07-26T13:09:28","modified_gmt":"2026-07-26T05:09:28","slug":"linux%e5%91%bd%e4%bb%a4-nfsstat%ef%bc%88%e5%88%97%e5%87%banfs%e5%ae%a2%e6%88%b7%e7%ab%af%e5%92%8c%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%b7%a5%e4%bd%9c%e7%8a%b6%e6%80%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84455.html","title":{"rendered":"Linux\u547d\u4ee4-nfsstat\uff08\u5217\u51faNFS\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u72b6\u6001\uff09"},"content":{"rendered":"

nfsstat \u662f Linux \u4e2d\u4e00\u4e2a\u76d1\u63a7 NFS（Network File System）\u534f\u8bae\u6d3b\u52a8\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u8bfb\u53d6\u5185\u6838\u7ef4\u62a4\u7684 NFS \u7edf\u8ba1\u4fe1\u606f，\u63d0\u4f9b RPC（\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528）\u5c42\u548c NFS \u5c42\u7684\u8be6\u7ec6\u6027\u80fd\u6570\u636e，\u662f NFS \u6027\u80fd\u8c03\u4f18\u548c\u6545\u969c\u6392\u67e5\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n

📦 \u5b89\u88c5\u65b9\u6cd5<\/h4>\n

nfsstat \u901a\u5e38\u5305\u542b\u5728 nfs-utils \u6216 nfs-common \u8f6f\u4ef6\u5305\u4e2d：<\/p>\n

# Debian\/Ubuntu \u7cfb\u7edf<\/span>
\nsudo<\/span> apt<\/span> update &&<\/span> sudo<\/span> apt<\/span> install<\/span> nfs-common<\/p>\n

# RHEL\/CentOS \u7cfb\u7edf<\/span>
\nsudo<\/span> dnf install<\/span> nfs-utils<\/p>\n

# Arch Linux \u7cfb\u7edf<\/span>
\nsudo<\/span> pacman -S<\/span> nfs-utils<\/p>\n

\u5b89\u88c5\u540e\u9a8c\u8bc1\u7248\u672c：<\/p>\n

nfsstat –version<\/span><\/p>\n

📖 \u57fa\u672c\u8bed\u6cd5<\/h4>\n

nfsstat [<\/span>\u9009\u9879]<\/span> [<\/span>\u95f4\u9694\u65f6\u95f4 [<\/span>\u6b21\u6570]<\/span>]<\/span><\/p>\n

\u9ed8\u8ba4\u884c\u4e3a：\u5982\u679c\u4e0d\u6307\u5b9a\u9009\u9879，\u9ed8\u8ba4\u663e\u793a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684 NFS \u548c RPC \u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n

🎯 \u5e38\u7528\u9009\u9879<\/h4>\n\n\u9009\u9879\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
-c<\/td>\n\u663e\u793a\u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
-s<\/td>\n\u663e\u793a\u670d\u52a1\u5668\u7aef\u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
-n<\/td>\n\u663e\u793a NFS \u7edf\u8ba1\u4fe1\u606f（\u6309\u7248\u672c）\u3002<\/td>\n<\/tr>\n
-r<\/td>\n\u663e\u793a RPC \u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
-a<\/td>\n\u663e\u793a NFS_ACL \u4fe1\u606f\u3002<\/td>\n<\/tr>\n
-z<\/td>\n\u91cd\u7f6e\u7edf\u8ba1\u8ba1\u6570\u5668\u4e3a\u96f6\u3002<\/td>\n<\/tr>\n
-m<\/td>\n\u663e\u793a\u6bcf\u4e2a NFS \u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u7684\u7edf\u8ba1\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
-v \u7248\u672c<\/td>\n\u6307\u5b9a NFS \u7248\u672c（2\/3\/4），\u5982 -v 4\u3002<\/td>\n<\/tr>\n
-l<\/td>\n\u5b9e\u65f6\u76d1\u63a7\u6a21\u5f0f（\u9ed8\u8ba4\u95f4\u9694 5 \u79d2）\u3002<\/td>\n<\/tr>\n
`-T u<\/td>\nd`<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

📊 \u8f93\u51fa\u5b57\u6bb5\u8be6\u89e3<\/h4>\n

1. RPC \u670d\u52a1\u5668\u7aef\u7edf\u8ba1<\/h5>\n

Server rpc:
\nConnection oriented:
\n calls \u88ab\u63a5\u6536\u7684 RPC \u8c03\u7528\u603b\u6570
\n badcalls \u88ab RPC \u5c42\u62d2\u7edd\u7684\u8c03\u7528\u603b\u6570
\n nullrecv \u5f53\u8ba4\u4e3a RPC \u8c03\u7528\u88ab\u63a5\u6536\u65f6，RPC \u8c03\u7528\u4e0d\u53ef\u7528\u7684\u6b21\u6570
\n badlen \u957f\u5ea6\u77ed\u4e8e RPC \u8c03\u7528\u6700\u5c0f\u5927\u5c0f\u7684 RPC \u8c03\u7528\u6570\u76ee
\n xdrcall \u62a5\u5934\u4e0d\u80fd\u8fdb\u884c XDR \u89e3\u7801\u7684 RPC \u8c03\u7528\u6570\u76ee
\n dupchecks \u5728\u91cd\u590d\u8bf7\u6c42\u9ad8\u901f\u7f13\u5b58\u4e2d\u67e5\u8be2\u7684 RPC \u8c03\u7528\u6570\u76ee
\n dupreqs \u88ab\u627e\u5230\u7684\u91cd\u590d RPC \u8c03\u7528\u6570\u76ee<\/p>\n

2. RPC \u5ba2\u6237\u7aef\u7edf\u8ba1<\/h5>\n

Client rpc:
\n calls \u4ea7\u751f\u7684 RPC \u8c03\u7528\u603b\u6570
\n badcalls \u88ab RPC \u5c42\u62d2\u7edd\u7684\u8c03\u7528\u603b\u6570
\n badxid \u4e0d\u5bf9\u5e94\u4e8e\u4efb\u4f55\u672a\u5b8c\u6210\u8c03\u7528\u3001\u4ece\u670d\u52a1\u5668\u63a5\u6536\u7684\u5e94\u7b54\u6b21\u6570
\n timeouts \u5728\u7b49\u5f85\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u7684\u5e94\u7b54\u65f6，\u8c03\u7528\u8d85\u65f6\u7684\u6b21\u6570
\n newcreds \u8ba4\u8bc1\u4fe1\u606f\u5fc5\u987b\u88ab\u5237\u65b0\u7684\u6b21\u6570
\n badverfs \u5728\u54cd\u5e94\u4e2d\u7531\u4e8e\u9a8c\u8bc1\u5b57\u7b26\u65e0\u6548\u800c\u5bfc\u81f4\u8c03\u7528\u5931\u8d25\u7684\u6b21\u6570<\/p>\n

3. NFS \u64cd\u4f5c\u7edf\u8ba1（\u6309\u7248\u672c）<\/h5>\n

NFS \u64cd\u4f5c\u6309\u7248\u672c（v2\/v3\/v4）\u663e\u793a，\u5305\u62ec：<\/p>\n

    \n
  • null：\u7a7a\u64cd\u4f5c（\u6d4b\u8bd5\u8fde\u63a5）<\/li>\n
  • getattr：\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027<\/li>\n
  • setattr：\u8bbe\u7f6e\u6587\u4ef6\u5c5e\u6027<\/li>\n
  • lookup：\u67e5\u627e\u6587\u4ef6<\/li>\n
  • read：\u8bfb\u53d6\u6587\u4ef6<\/li>\n
  • write：\u5199\u5165\u6587\u4ef6<\/li>\n
  • create：\u521b\u5efa\u6587\u4ef6<\/li>\n
  • remove：\u5220\u9664\u6587\u4ef6<\/li>\n
  • rename：\u91cd\u547d\u540d\u6587\u4ef6<\/li>\n
  • readdir：\u8bfb\u53d6\u76ee\u5f55<\/li>\n
  • \u7b49\u7b49\u2026<\/li>\n<\/ul>\n

    💡 \u6838\u5fc3\u7528\u6cd5\u793a\u4f8b<\/h4>\n

    1. \u67e5\u770b\u5b8c\u6574\u7edf\u8ba1\u4fe1\u606f<\/h5>\n

    # \u67e5\u770b\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u5b8c\u6574\u7edf\u8ba1\u4fe1\u606f（\u9ed8\u8ba4）<\/span>
    \nnfsstat<\/p>\n

    # \u67e5\u770b\u5ba2\u6237\u7aef\u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -c<\/span><\/p>\n

    # \u67e5\u770b\u670d\u52a1\u5668\u7aef\u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -s<\/span><\/p>\n

    # \u67e5\u770b NFS \u7edf\u8ba1\u4fe1\u606f（\u6309\u7248\u672c）<\/span>
    \nnfsstat -n<\/span><\/p>\n

    # \u67e5\u770b RPC \u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -r<\/span><\/p>\n

    # \u67e5\u770b\u6240\u6709\u4fe1\u606f（\u5305\u62ec NFS_ACL）<\/span>
    \nnfsstat -a<\/span><\/p>\n

    2. \u67e5\u770b\u7279\u5b9a NFS \u7248\u672c\u7edf\u8ba1<\/h5>\n

    # \u67e5\u770b NFSv3 \u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -v<\/span> 3<\/span><\/p>\n

    # \u67e5\u770b NFSv4 \u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -v<\/span> 4<\/span><\/p>\n

    # \u67e5\u770b\u5ba2\u6237\u7aef NFSv3 \u7edf\u8ba1<\/span>
    \nnfsstat -c<\/span> -v<\/span> 3<\/span><\/p>\n

    # \u67e5\u770b\u670d\u52a1\u5668\u7aef NFSv4 \u7edf\u8ba1<\/span>
    \nnfsstat -s<\/span> -v<\/span> 4<\/span><\/p>\n

    3. \u5b9e\u65f6\u76d1\u63a7\u6a21\u5f0f<\/h5>\n

    # \u5b9e\u65f6\u76d1\u63a7，\u9ed8\u8ba45\u79d2\u5237\u65b0\u4e00\u6b21<\/span>
    \nnfsstat -l<\/span><\/p>\n

    # \u5b9e\u65f6\u76d1\u63a7，\u6307\u5b9a2\u79d2\u5237\u65b0\u95f4\u9694<\/span>
    \nnfsstat -l<\/span> 2<\/span><\/p>\n

    # \u5b9e\u65f6\u76d1\u63a7\u5ba2\u6237\u7aef\u7edf\u8ba1<\/span>
    \nnfsstat -c<\/span> -l<\/span><\/p>\n

    # \u5b9e\u65f6\u76d1\u63a7\u670d\u52a1\u5668\u7aef\u7edf\u8ba1，3\u79d2\u95f4\u9694<\/span>
    \nnfsstat -s<\/span> -l<\/span> 3<\/span><\/p>\n

    4. \u67e5\u770b\u6302\u8f7d\u70b9\u7edf\u8ba1\u4fe1\u606f<\/h5>\n

    # \u67e5\u770b\u6240\u6709 NFS \u6302\u8f7d\u70b9\u7684\u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -m<\/span><\/p>\n

    # \u67e5\u770b\u7279\u5b9a\u6302\u8f7d\u70b9\u7684\u7edf\u8ba1\u4fe1\u606f<\/span>
    \nnfsstat -m<\/span> \/mnt\/nfs
    \nnfsstat -m<\/span> \/data \/home<\/p>\n

    # \u67e5\u770b\u6302\u8f7d\u70b9\u8be6\u7ec6\u4fe1\u606f（\u5305\u62ec\u670d\u52a1\u5668\u3001\u6807\u5fd7\u3001\u91cd\u4f20\u8ba1\u6570\u7b49）<\/span>
    \nnfsstat -m<\/span> |<\/span> head<\/span> -20<\/span><\/p>\n

    5. \u91cd\u7f6e\u7edf\u8ba1\u8ba1\u6570\u5668<\/h5>\n

    # \u91cd\u7f6e\u6240\u6709\u7edf\u8ba1\u8ba1\u6570\u5668<\/span>
    \nnfsstat -z<\/span><\/p>\n

    # \u91cd\u7f6e\u5ba2\u6237\u7aef\u7edf\u8ba1<\/span>
    \nnfsstat -c<\/span> -z<\/span><\/p>\n

    # \u91cd\u7f6e\u670d\u52a1\u5668\u7aef\u7edf\u8ba1<\/span>
    \nnfsstat -s<\/span> -z<\/span><\/p>\n

    # \u91cd\u7f6e\u7279\u5b9a\u7248\u672c\u7edf\u8ba1<\/span>
    \nnfsstat -v<\/span> 3<\/span> -z<\/span><\/p>\n

    6. \u7ec4\u5408\u4f7f\u7528\u9009\u9879<\/h5>\n

    # \u67e5\u770b\u5ba2\u6237\u7aef NFS \u548c RPC \u7edf\u8ba1<\/span>
    \nnfsstat -c<\/span> -n<\/span> -r<\/span><\/p>\n

    # \u67e5\u770b\u670d\u52a1\u5668\u7aef NFSv4 \u548c ACL \u7edf\u8ba1<\/span>
    \nnfsstat -s<\/span> -v<\/span> 4<\/span> -a<\/span><\/p>\n

    # \u4ee5\u6570\u5b57\u5f62\u5f0f\u663e\u793a（\u4e0d\u89e3\u6790\u4e3b\u673a\u540d）<\/span>
    \nnfsstat -n<\/span><\/p>\n

    🔍 \u8f93\u51fa\u89e3\u8bfb\u793a\u4f8b<\/h4>\n

    \u793a\u4f8b1：\u670d\u52a1\u5668\u7aef\u7edf\u8ba1\u8f93\u51fa<\/h5>\n

    nfsstat -s<\/span><\/p>\n

    \u8f93\u51fa\u793a\u4f8b：<\/p>\n

    Server rpc:
    \nConnection oriented:
    \n calls 719949194
    \n badcalls 0
    \n nullrecv 0
    \n badlen 0
    \n xdrcall 0
    \n dupchecks 58478624
    \n dupreqs 33<\/p>\n

    Server NFSv3:
    \n calls 132880073
    \n badcalls 0
    \n null 1365467 0%
    \n getattr 496667075 68%
    \n setattr 8864191 1%
    \n lookup 66510206 9%
    \n access 19131659 2%
    \n read 80123469 10%
    \n write 18740690 2%
    \n create 4135195 0%
    \n …<\/p>\n

    \u5173\u952e\u6307\u6807\u5206\u6790：<\/p>\n

      \n
    • badcalls：\u5e94\u4e3a0\u6216\u63a5\u8fd10，\u9ad8\u503c\u8868\u793aRPC\u95ee\u9898<\/li>\n
    • timeouts：\u5ba2\u6237\u7aef\u8d85\u65f6\u6b21\u6570，\u9ad8\u503c\u8868\u793a\u7f51\u7edc\u5ef6\u8fdf<\/li>\n
    • getattr \u6bd4\u4f8b：\u901a\u5e38\u6700\u9ad8，\u6587\u4ef6\u5c5e\u6027\u83b7\u53d6\u64cd\u4f5c<\/li>\n
    • read\/write \u6bd4\u4f8b：\u53cd\u6620\u5b9e\u9645\u6570\u636e\u4f20\u8f93\u91cf<\/li>\n<\/ul>\n
      \u793a\u4f8b2：\u6302\u8f7d\u70b9\u7edf\u8ba1\u8f93\u51fa<\/h5>\n

      nfsstat -m<\/span><\/p>\n

      \u8f93\u51fa\u793a\u4f8b：<\/p>\n

      \/mnt\/nfs from 192.168.1.100:\/export\/data
      \n Flags: rw,relatime,vers=3,rsize=131072,wsize=131072,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.100,mountvers=3,mountport=635,mountproto=udp,local_lock=none,addr=192.168.1.100
      \n Attr cache: acregmin=3,acregmax=60,acdirmin=30,acdirmax=60<\/p>\n

      \u5173\u952e\u4fe1\u606f：<\/p>\n

        \n
      • \u670d\u52a1\u5668\u5730\u5740：192.168.1.100:\/export\/data<\/li>\n
      • NFS\u7248\u672c：vers=3<\/li>\n
      • \u8bfb\u5199\u5927\u5c0f：rsize=131072,wsize=131072<\/li>\n
      • \u8d85\u65f6\u8bbe\u7f6e：timeo=600（600\u6beb\u79d2）<\/li>\n
      • \u91cd\u4f20\u6b21\u6570：retrans=2<\/li>\n
      • \u5c5e\u6027\u7f13\u5b58：\u6587\u4ef6\u5c5e\u6027\u7f13\u5b58\u65f6\u95f4<\/li>\n<\/ul>\n

        🔧 \u5b9e\u7528\u573a\u666f\u793a\u4f8b<\/h4>\n

        \u573a\u666f1：NFS\u6027\u80fd\u76d1\u63a7\u811a\u672c<\/h5>\n

        #!\/bin\/bash<\/span>
        \n# NFS\u6027\u80fd\u76d1\u63a7\u811a\u672c<\/span><\/p>\n

        LOG_FILE<\/span>=<\/span>"\/var\/log\/nfs_monitor.log"<\/span>
        \nINTERVAL<\/span>=<\/span>30<\/span> # \u76d1\u63a7\u95f4\u9694（\u79d2）<\/span>
        \nALERT_THRESHOLD<\/span>=<\/span>10<\/span> # \u9519\u8bef\u7387\u9608\u503c（%）<\/span><\/p>\n

        echo<\/span> "\u5f00\u59cbNFS\u6027\u80fd\u76d1\u63a7 $(<\/span>date<\/span>)<\/span><\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u76d1\u63a7\u95f4\u9694: ${INTERVAL}<\/span>\u79d2"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u9519\u8bef\u7387\u8b66\u62a5\u9608\u503c: ${ALERT_THRESHOLD}<\/span>%"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "======================================"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        monitor_nfs<\/span>(<\/span>)<\/span> {<\/span>
        \n local<\/span> timestamp<\/span>=<\/span>$(<\/span>date<\/span> '+%Y-%m-%d %H:%M:%S'<\/span>)<\/span><\/span><\/p>\n

        echo<\/span> "[$timestamp<\/span>] NFS\u72b6\u6001\u76d1\u63a7:"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # 1. \u68c0\u67e5NFS\u6302\u8f7d\u72b6\u6001<\/span>
        \n echo<\/span> " 1. NFS\u6302\u8f7d\u70b9\u68c0\u67e5:"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n if<\/span> mount<\/span> |<\/span> grep<\/span> -q<\/span> "type nfs"<\/span>;<\/span> then<\/span>
        \n mount<\/span> |<\/span> grep<\/span> "type nfs"<\/span> |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n local<\/span> mount_point<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $3}'<\/span>)<\/span><\/span>
        \n local<\/span> server<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $1}'<\/span>)<\/span><\/span>
        \n echo<\/span> " \u2713 $mount_point<\/span> (\u670d\u52a1\u5668: $server<\/span>)"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n done<\/span>
        \n else<\/span>
        \n echo<\/span> " \u26a0 \u672a\u53d1\u73b0NFS\u6302\u8f7d\u70b9"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n fi<\/span><\/p>\n

        # 2. \u83b7\u53d6NFS\u7edf\u8ba1\u4fe1\u606f<\/span>
        \n echo<\/span> " 2. NFS\u7edf\u8ba1\u4fe1\u606f:"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u5ba2\u6237\u7aef\u7edf\u8ba1<\/span>
        \n local<\/span> client_stats<\/span>=<\/span>$(<\/span>nfsstat -c<\/span> 2<\/span>><\/span>\/dev\/null)<\/span><\/span>
        \n if<\/span> [<\/span> $?<\/span> -eq<\/span> 0<\/span> ]<\/span>;<\/span> then<\/span>
        \n # \u63d0\u53d6\u5173\u952e\u6307\u6807<\/span>
        \n local<\/span> client_calls<\/span>=<\/span>$(<\/span>echo<\/span> "$client_stats<\/span>"<\/span> |<\/span> grep<\/span> -A5<\/span> "Client rpc:"<\/span> |<\/span> grep<\/span> "calls"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n local<\/span> client_badcalls<\/span>=<\/span>$(<\/span>echo<\/span> "$client_stats<\/span>"<\/span> |<\/span> grep<\/span> -A5<\/span> "Client rpc:"<\/span> |<\/span> grep<\/span> "badcalls"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n local<\/span> client_timeouts<\/span>=<\/span>$(<\/span>echo<\/span> "$client_stats<\/span>"<\/span> |<\/span> grep<\/span> -A5<\/span> "Client rpc:"<\/span> |<\/span> grep<\/span> "timeouts"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span><\/p>\n

        if<\/span> [<\/span> -n<\/span> "$client_calls<\/span>"<\/span> ]<\/span> &&<\/span> [<\/span> "$client_calls<\/span>"<\/span> -gt<\/span> 0<\/span> ]<\/span>;<\/span> then<\/span>
        \n local<\/span> error_rate<\/span>=<\/span>$(<\/span>echo<\/span> "scale=2; $client_badcalls<\/span> * 100 \/ $client_calls<\/span>"<\/span> |<\/span> bc<\/span>)<\/span><\/span>
        \n echo<\/span> " \u5ba2\u6237\u7aefRPC\u8c03\u7528: $client_calls<\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n echo<\/span> " \u5ba2\u6237\u7aef\u9519\u8bef\u8c03\u7528: $client_badcalls<\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n echo<\/span> " \u5ba2\u6237\u7aef\u8d85\u65f6\u6b21\u6570: $client_timeouts<\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n echo<\/span> " \u5ba2\u6237\u7aef\u9519\u8bef\u7387: ${error_rate}<\/span>%"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u9519\u8bef\u7387\u8b66\u62a5<\/span>
        \n if<\/span> [<\/span> $(<\/span>echo<\/span> "$error_rate<\/span> > $ALERT_THRESHOLD<\/span>"<\/span> |<\/span> bc<\/span>)<\/span><\/span> -eq<\/span> 1<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> " [\u8b66\u62a5] \u5ba2\u6237\u7aef\u9519\u8bef\u7387\u8d85\u8fc7\u9608\u503c: ${error_rate}<\/span>% > ${ALERT_THRESHOLD}<\/span>%"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \n fi<\/span><\/p>\n

        # 3. \u68c0\u67e5\u6302\u8f7d\u70b9\u6027\u80fd<\/span>
        \n echo<\/span> " 3. \u6302\u8f7d\u70b9\u6027\u80fd\u68c0\u67e5:"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n nfsstat -m<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n if<\/span> echo<\/span> "$line<\/span>"<\/span> |<\/span> grep<\/span> -q<\/span> "from "<\/span>;<\/span> then<\/span>
        \n local<\/span> mount_info<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span>)<\/span><\/span>
        \n echo<\/span> " $mount_info<\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u68c0\u67e5\u91cd\u4f20\u6b21\u6570<\/span>
        \n local<\/span> retrans<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> grep<\/span> -o<\/span> "retrans=[0-9]*"<\/span> |<\/span> cut<\/span> -d<\/span>=<\/span> -f2<\/span>)<\/span><\/span>
        \n if<\/span> [<\/span> -n<\/span> "$retrans<\/span>"<\/span> ]<\/span> &&<\/span> [<\/span> "$retrans<\/span>"<\/span> -gt<\/span> 5<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> " [\u8b66\u544a] \u91cd\u4f20\u6b21\u6570\u8fc7\u9ad8: $retrans<\/span>"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \n done<\/span><\/p>\n

        # 4. \u68c0\u67e5NFS\u670d\u52a1\u72b6\u6001<\/span>
        \n echo<\/span> " 4. NFS\u670d\u52a1\u72b6\u6001:"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n if<\/span> systemctl is-active nfs-server &><\/span>\/dev\/null;<\/span> then<\/span>
        \n echo<\/span> " \u2713 NFS\u670d\u52a1\u5668\u670d\u52a1\u8fd0\u884c\u4e2d"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n else<\/span>
        \n echo<\/span> " \u26a0 NFS\u670d\u52a1\u5668\u670d\u52a1\u672a\u8fd0\u884c"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n fi<\/span><\/p>\n

        if<\/span> systemctl is-active rpcbind &><\/span>\/dev\/null;<\/span> then<\/span>
        \n echo<\/span> " \u2713 RPC\u7ed1\u5b9a\u670d\u52a1\u8fd0\u884c\u4e2d"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n else<\/span>
        \n echo<\/span> " \u26a0 RPC\u7ed1\u5b9a\u670d\u52a1\u672a\u8fd0\u884c"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n fi<\/span><\/p>\n

        echo<\/span> "————————————–"<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \n}<\/span><\/p>\n

        # \u4e3b\u5faa\u73af<\/span>
        \nwhile<\/span> true<\/span>;<\/span> do<\/span>
        \n monitor_nfs
        \n sleep<\/span> "$INTERVAL<\/span>"<\/span>
        \ndone<\/span><\/p>\n

        \u573a\u666f2：NFS\u6027\u80fd\u95ee\u9898\u8bca\u65ad<\/h5>\n

        #!\/bin\/bash<\/span>
        \n# NFS\u6027\u80fd\u95ee\u9898\u8bca\u65ad\u811a\u672c<\/span><\/p>\n

        echo<\/span> "NFS\u6027\u80fd\u95ee\u9898\u8bca\u65ad\u62a5\u544a"<\/span>
        \necho<\/span> "\u751f\u6210\u65f6\u95f4: $(<\/span>date<\/span>)<\/span><\/span>"<\/span>
        \necho<\/span> "======================================"<\/span><\/p>\n

        # 1. \u7cfb\u7edf\u57fa\u672c\u4fe1\u606f<\/span>
        \necho<\/span> "1. \u7cfb\u7edf\u57fa\u672c\u4fe1\u606f:"<\/span>
        \necho<\/span> " \u4e3b\u673a\u540d: $(<\/span>hostname<\/span>)<\/span><\/span>"<\/span>
        \necho<\/span> " \u5185\u6838\u7248\u672c: $(<\/span>uname<\/span> -r<\/span>)<\/span><\/span>"<\/span>
        \necho<\/span> " \u7cfb\u7edf\u8d1f\u8f7d: $(<\/span>uptime<\/span>)<\/span><\/span>"<\/span>
        \necho<\/span> " \u5185\u5b58\u4f7f\u7528: $(<\/span>free<\/span> -h<\/span> |<\/span> grep<\/span> Mem |<\/span> awk<\/span> '{print $3"\/"$2}'<\/span>)<\/span><\/span>"<\/span>
        \necho<\/span> ""<\/span><\/p>\n

        # 2. NFS\u6302\u8f7d\u70b9\u68c0\u67e5<\/span>
        \necho<\/span> "2. NFS\u6302\u8f7d\u70b9\u68c0\u67e5:"<\/span>
        \nif<\/span> mount<\/span> |<\/span> grep<\/span> -q<\/span> "type nfs"<\/span>;<\/span> then<\/span>
        \n mount<\/span> |<\/span> grep<\/span> "type nfs"<\/span> |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n local<\/span> device<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $1}'<\/span>)<\/span><\/span>
        \n local<\/span> mount_point<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $3}'<\/span>)<\/span><\/span>
        \n local<\/span> options<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $6}'<\/span> |<\/span> tr<\/span> ','<\/span> ' '<\/span>)<\/span><\/span><\/p>\n

        echo<\/span> " \u6302\u8f7d\u70b9: $mount_point<\/span>"<\/span>
        \n echo<\/span> " \u670d\u52a1\u5668: $device<\/span>"<\/span>
        \n echo<\/span> " \u6302\u8f7d\u9009\u9879: $options<\/span>"<\/span><\/p>\n

        # \u68c0\u67e5\u6302\u8f7d\u70b9\u53ef\u8bbf\u95ee\u6027<\/span>
        \n if<\/span> timeout<\/span> 5<\/span> ls<\/span> "$mount_point<\/span>"<\/span> &><\/span>\/dev\/null;<\/span> then<\/span>
        \n echo<\/span> " \u72b6\u6001: \u2713 \u53ef\u8bbf\u95ee"<\/span>
        \n else<\/span>
        \n echo<\/span> " \u72b6\u6001: \u2717 \u4e0d\u53ef\u8bbf\u95ee"<\/span>
        \n fi<\/span>
        \n echo<\/span> ""<\/span>
        \n done<\/span>
        \nelse<\/span>
        \n echo<\/span> " \u672a\u53d1\u73b0NFS\u6302\u8f7d\u70b9"<\/span>
        \n echo<\/span> ""<\/span>
        \nfi<\/span><\/p>\n

        # 3. NFS\u7edf\u8ba1\u4fe1\u606f\u5206\u6790<\/span>
        \necho<\/span> "3. NFS\u7edf\u8ba1\u4fe1\u606f\u5206\u6790:"<\/span>
        \necho<\/span> " 3.1 \u5ba2\u6237\u7aef\u7edf\u8ba1:"<\/span>
        \nnfsstat -c<\/span> |<\/span> head<\/span> -20<\/span> |<\/span> sed<\/span> 's\/^\/ \/'<\/span><\/p>\n

        echo<\/span> ""<\/span>
        \necho<\/span> " 3.2 \u670d\u52a1\u5668\u7aef\u7edf\u8ba1:"<\/span>
        \nnfsstat -s<\/span> |<\/span> head<\/span> -20<\/span> |<\/span> sed<\/span> 's\/^\/ \/'<\/span><\/p>\n

        echo<\/span> ""<\/span>
        \necho<\/span> " 3.3 \u6302\u8f7d\u70b9\u8be6\u7ec6\u7edf\u8ba1:"<\/span>
        \nnfsstat -m<\/span> |<\/span> head<\/span> -30<\/span> |<\/span> sed<\/span> 's\/^\/ \/'<\/span><\/p>\n

        # 4. \u7f51\u7edc\u8fde\u63a5\u68c0\u67e5<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> "4. \u7f51\u7edc\u8fde\u63a5\u68c0\u67e5:"<\/span>
        \necho<\/span> " 4.1 NFS\u76f8\u5173\u7aef\u53e3:"<\/span>
        \nnetstat<\/span> -tulpn<\/span> |<\/span> grep<\/span> -E<\/span> '(2049|111|875)'<\/span> |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n echo<\/span> " $line<\/span>"<\/span>
        \ndone<\/span><\/p>\n

        echo<\/span> ""<\/span>
        \necho<\/span> " 4.2 \u5230NFS\u670d\u52a1\u5668\u7684\u8fde\u63a5:"<\/span>
        \nmount<\/span> |<\/span> grep<\/span> "type nfs"<\/span> |<\/span> awk<\/span> '{print $1}'<\/span> |<\/span> cut<\/span> -d: -f1<\/span> |<\/span> sort<\/span> -u<\/span> |<\/span> while<\/span> read<\/span> server;<\/span> do<\/span>
        \n echo<\/span> " \u670d\u52a1\u5668: $server<\/span>"<\/span>
        \n ping<\/span> -c<\/span> 3<\/span> -W<\/span> 2<\/span> "$server<\/span>"<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> grep<\/span> -E<\/span> "(packet loss|rtt)"<\/span> |<\/span> sed<\/span> 's\/^\/ \/'<\/span>
        \ndone<\/span><\/p>\n

        # 5. \u6027\u80fd\u6307\u6807\u68c0\u67e5<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> "5. \u6027\u80fd\u6307\u6807\u68c0\u67e5:"<\/span><\/p>\n

        # \u68c0\u67e5\u91cd\u4f20\u7387<\/span>
        \necho<\/span> " 5.1 RPC\u91cd\u4f20\u7387:"<\/span>
        \nnfsstat -c<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> grep<\/span> -A10<\/span> "Client rpc:"<\/span> |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n if<\/span> echo<\/span> "$line<\/span>"<\/span> |<\/span> grep<\/span> -q<\/span> "retrans"<\/span>;<\/span> then<\/span>
        \n local<\/span> retrans<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n local<\/span> calls<\/span>=<\/span>$(<\/span>nfsstat -c<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> grep<\/span> -A10<\/span> "Client rpc:"<\/span> |<\/span> grep<\/span> "calls"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n if<\/span> [<\/span> -n<\/span> "$calls<\/span>"<\/span> ]<\/span> &&<\/span> [<\/span> "$calls<\/span>"<\/span> -gt<\/span> 0<\/span> ]<\/span>;<\/span> then<\/span>
        \n local<\/span> retrans_rate<\/span>=<\/span>$(<\/span>echo<\/span> "scale=4; $retrans<\/span> * 100 \/ $calls<\/span>"<\/span> |<\/span> bc<\/span>)<\/span><\/span>
        \n echo<\/span> " \u91cd\u4f20\u7387: ${retrans_rate}<\/span>% (\u91cd\u4f20: $retrans<\/span>, \u603b\u8c03\u7528: $calls<\/span>)"<\/span><\/p>\n

        if<\/span> [<\/span> $(<\/span>echo<\/span> "$retrans_rate<\/span> > 5"<\/span> |<\/span> bc<\/span>)<\/span><\/span> -eq<\/span> 1<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> " [\u8b66\u544a] \u91cd\u4f20\u7387\u8fc7\u9ad8，\u53ef\u80fd\u7f51\u7edc\u4e0d\u7a33\u5b9a"<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \ndone<\/span><\/p>\n

        # \u68c0\u67e5\u9519\u8bef\u7387<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> " 5.2 RPC\u9519\u8bef\u7387:"<\/span>
        \nnfsstat -c<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> grep<\/span> -A10<\/span> "Client rpc:"<\/span> |<\/span> while<\/span> read<\/span> line;<\/span> do<\/span>
        \n if<\/span> echo<\/span> "$line<\/span>"<\/span> |<\/span> grep<\/span> -q<\/span> "badcalls"<\/span>;<\/span> then<\/span>
        \n local<\/span> badcalls<\/span>=<\/span>$(<\/span>echo<\/span> "$line<\/span>"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n local<\/span> calls<\/span>=<\/span>$(<\/span>nfsstat -c<\/span> 2<\/span>><\/span>\/dev\/null |<\/span> grep<\/span> -A10<\/span> "Client rpc:"<\/span> |<\/span> grep<\/span> "calls"<\/span> |<\/span> awk<\/span> '{print $2}'<\/span>)<\/span><\/span>
        \n if<\/span> [<\/span> -n<\/span> "$calls<\/span>"<\/span> ]<\/span> &&<\/span> [<\/span> "$calls<\/span>"<\/span> -gt<\/span> 0<\/span> ]<\/span>;<\/span> then<\/span>
        \n local<\/span> error_rate<\/span>=<\/span>$(<\/span>echo<\/span> "scale=4; $badcalls<\/span> * 100 \/ $calls<\/span>"<\/span> |<\/span> bc<\/span>)<\/span><\/span>
        \n echo<\/span> " \u9519\u8bef\u7387: ${error_rate}<\/span>% (\u9519\u8bef: $badcalls<\/span>, \u603b\u8c03\u7528: $calls<\/span>)"<\/span><\/p>\n

        if<\/span> [<\/span> $(<\/span>echo<\/span> "$error_rate<\/span> > 1"<\/span> |<\/span> bc<\/span>)<\/span><\/span> -eq<\/span> 1<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> " [\u8b66\u544a] \u9519\u8bef\u7387\u8fc7\u9ad8，\u53ef\u80fd\u670d\u52a1\u5668\u6216\u7f51\u7edc\u6709\u95ee\u9898"<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \n fi<\/span>
        \ndone<\/span><\/p>\n

        # 6. \u5efa\u8bae\u4f18\u5316\u63aa\u65bd<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> "6. \u5efa\u8bae\u4f18\u5316\u63aa\u65bd:"<\/span>
        \necho<\/span> " 1. \u5982\u679c\u91cd\u4f20\u7387\u8fc7\u9ad8:"<\/span>
        \necho<\/span> " – \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u8d28\u91cf"<\/span>
        \necho<\/span> " – \u589e\u52a0 timeo \u53c2\u6570\u503c"<\/span>
        \necho<\/span> " – \u8003\u8651\u4f7f\u7528 TCP \u66ff\u4ee3 UDP"<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> " 2. \u5982\u679c\u9519\u8bef\u7387\u8fc7\u9ad8:"<\/span>
        \necho<\/span> " – \u68c0\u67e5 NFS \u670d\u52a1\u5668\u72b6\u6001"<\/span>
        \necho<\/span> " – \u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e"<\/span>
        \necho<\/span> " – \u9a8c\u8bc1\u7528\u6237\u6743\u9650"<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> " 3. \u6027\u80fd\u4f18\u5316\u5efa\u8bae:"<\/span>
        \necho<\/span> " – \u8c03\u6574 rsize \u548c wsize \u53c2\u6570"<\/span>
        \necho<\/span> " – \u4f7f\u7528 noac \u9009\u9879\u7981\u7528\u5c5e\u6027\u7f13\u5b58"<\/span>
        \necho<\/span> " – \u8003\u8651\u4f7f\u7528 async \u9009\u9879\u63d0\u9ad8\u5199\u5165\u6027\u80fd"<\/span>
        \necho<\/span> ""<\/span>
        \necho<\/span> "======================================"<\/span>
        \necho<\/span> "\u8bca\u65ad\u5b8c\u6210"<\/span><\/p>\n

        \u573a\u666f3：NFS\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/h5>\n

        #!\/bin\/bash<\/span>
        \n# NFS\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u811a\u672c<\/span><\/p>\n

        TEST_DIR<\/span>=<\/span>"\/mnt\/nfs\/test"<\/span>
        \nTEST_FILE_SIZE<\/span>=<\/span>"1G"<\/span>
        \nTEST_BLOCK_SIZES<\/span>=<\/span>"4K 16K 64K 128K 1M"<\/span>
        \nTEST_ITERATIONS<\/span>=<\/span>3<\/span>
        \nLOG_FILE<\/span>=<\/span>"nfs_benchmark_$(<\/span>date<\/span> +%Y%m%d_%H%M%S)<\/span><\/span>.log"<\/span><\/p>\n

        echo<\/span> "NFS\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u62a5\u544a"<\/span> |<\/span> tee<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u6d4b\u8bd5\u65f6\u95f4: $(<\/span>date<\/span>)<\/span><\/span>"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u6d4b\u8bd5\u76ee\u5f55: $TEST_DIR<\/span>"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "======================================"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u68c0\u67e5\u6d4b\u8bd5\u76ee\u5f55<\/span>
        \nif<\/span> [<\/span> !<\/span> -d<\/span> "$TEST_DIR<\/span>"<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> "\u9519\u8bef: \u6d4b\u8bd5\u76ee\u5f55 $TEST_DIR<\/span> \u4e0d\u5b58\u5728"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n exit<\/span> 1<\/span>
        \nfi<\/span><\/p>\n

        # \u68c0\u67e5\u5199\u5165\u6743\u9650<\/span>
        \nif<\/span> [<\/span> !<\/span> -w<\/span> "$TEST_DIR<\/span>"<\/span> ]<\/span>;<\/span> then<\/span>
        \n echo<\/span> "\u9519\u8bef: \u6d4b\u8bd5\u76ee\u5f55 $TEST_DIR<\/span> \u4e0d\u53ef\u5199"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n exit<\/span> 1<\/span>
        \nfi<\/span><\/p>\n

        # \u83b7\u53d6\u521d\u59cb\u7edf\u8ba1\u4fe1\u606f<\/span>
        \necho<\/span> "\u83b7\u53d6\u521d\u59cbNFS\u7edf\u8ba1\u4fe1\u606f…"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u521d\u59cb\u5ba2\u6237\u7aef\u7edf\u8ba1:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nnfsstat -c<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        echo<\/span> "\u521d\u59cb\u670d\u52a1\u5668\u7aef\u7edf\u8ba1:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nnfsstat -s<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u521b\u5efa\u6d4b\u8bd5\u6587\u4ef6<\/span>
        \necho<\/span> "\u521b\u5efa\u6d4b\u8bd5\u6587\u4ef6 ($TEST_FILE_SIZE<\/span>)…"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nTEST_FILE<\/span>=<\/span>"$TEST_DIR<\/span>\/benchmark_test.dat"<\/span>
        \ndd<\/span> if<\/span>=<\/span>\/dev\/zero of<\/span>=<\/span>"$TEST_FILE<\/span>"<\/span> bs<\/span>=<\/span>1M count<\/span>=<\/span>1024<\/span> 2<\/span>><\/span>&1<\/span> |<\/span> tail<\/span> -1<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u987a\u5e8f\u8bfb\u5199\u6d4b\u8bd5<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u987a\u5e8f\u8bfb\u5199\u6d4b\u8bd5:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "————————————–"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        for<\/span> bs<\/span> in<\/span> $TEST_BLOCK_SIZES<\/span>;<\/span> do<\/span>
        \n echo<\/span> "\u5757\u5927\u5c0f: $bs<\/span>"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u987a\u5e8f\u8bfb\u6d4b\u8bd5<\/span>
        \n echo<\/span> " \u987a\u5e8f\u8bfb:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n for<\/span> i<\/span> in<\/span> $(<\/span>seq<\/span> 1<\/span> $TEST_ITERATIONS)<\/span><\/span>;<\/span> do<\/span>
        \n echo<\/span> " \u7b2c $i<\/span> \u6b21:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n dd<\/span> if<\/span>=<\/span>"$TEST_FILE<\/span>"<\/span> of<\/span>=<\/span>\/dev\/null bs<\/span>=<\/span>"$bs<\/span>"<\/span> 2<\/span>><\/span>&1<\/span> |<\/span> grep<\/span> -E<\/span> "(copied|bytes)"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n done<\/span><\/p>\n

        # \u987a\u5e8f\u5199\u6d4b\u8bd5<\/span>
        \n echo<\/span> " \u987a\u5e8f\u5199:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n WRITE_FILE<\/span>=<\/span>"$TEST_DIR<\/span>\/write_test_${bs}<\/span>.dat"<\/span>
        \n for<\/span> i<\/span> in<\/span> $(<\/span>seq<\/span> 1<\/span> $TEST_ITERATIONS)<\/span><\/span>;<\/span> do<\/span>
        \n echo<\/span> " \u7b2c $i<\/span> \u6b21:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n dd<\/span> if<\/span>=<\/span>\/dev\/zero of<\/span>=<\/span>"$WRITE_FILE<\/span>"<\/span> bs<\/span>=<\/span>"$bs<\/span>"<\/span> count<\/span>=<\/span>$((<\/span>1024<\/span>*<\/span>1024<\/span>\/<\/span>$(<\/span>echo "$bs" |<\/span> sed 's\/<\/span>K\/<\/span>*<\/span>1024<\/span>\/<\/span>;<\/span>s\/<\/span>M\/<\/span>*<\/span>1024<\/span>*<\/span>1024<\/span>\/<\/span>;<\/span>s\/<\/span>[^<\/span>0<\/span>–<\/span>9<\/span>*<\/span>]\/<\/span>\/<\/span>g' |<\/span> bc))<\/span><\/span>)<\/span> 2<\/span>><\/span>&1<\/span> |<\/span> grep<\/span> -E<\/span> "(copied|bytes)"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n rm<\/span> -f<\/span> "$WRITE_FILE<\/span>"<\/span>
        \n done<\/span><\/p>\n

        echo<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \ndone<\/span><\/p>\n

        # \u968f\u673a\u8bfb\u5199\u6d4b\u8bd5<\/span>
        \necho<\/span> "\u968f\u673a\u8bfb\u5199\u6d4b\u8bd5:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "————————————–"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u4f7f\u7528 fio \u8fdb\u884c\u968f\u673a\u8bfb\u5199\u6d4b\u8bd5（\u5982\u679c\u53ef\u7528）<\/span>
        \nif<\/span> command<\/span> -v<\/span> fio &><\/span> \/dev\/null;<\/span> then<\/span>
        \n FIO_CONFIG<\/span>=<\/span>"\/tmp\/fio_test.ini"<\/span><\/p>\n

        cat<\/span> ><\/span> "$FIO_CONFIG<\/span>"<\/span> <<<\/span> EOF
        \n[global]
        \nioengine=libaio
        \ndirect=1
        \nruntime=30
        \ntime_based
        \ngroup_reporting
        \nsize=1G
        \ndirectory=$TEST_DIR<\/span><\/p>\n

        [sequential-read]
        \nrw=read
        \nbs=128k<\/p>\n

        [sequential-write]
        \nrw=write
        \nbs=128k<\/p>\n

        [random-read]
        \nrw=randread
        \nbs=4k<\/p>\n

        [random-write]
        \nrw=randwrite
        \nbs=4k
        \nEOF<\/span><\/p>\n

        echo<\/span> "\u8fd0\u884c fio \u6d4b\u8bd5…"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n fio "$FIO_CONFIG<\/span>"<\/span> –output-format=<\/span>json ><\/span> "\/tmp\/fio_results.json"<\/span> 2<\/span>><\/span>&1<\/span><\/p>\n

        # \u89e3\u6790\u7ed3\u679c<\/span>
        \n echo<\/span> "fio \u6d4b\u8bd5\u7ed3\u679c:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n grep<\/span> -A5<\/span> "IOPS\\\\|BW"<\/span> "\/tmp\/fio_results.json"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        rm<\/span> -f<\/span> "$FIO_CONFIG<\/span>"<\/span> "\/tmp\/fio_results.json"<\/span>
        \nelse<\/span>
        \n echo<\/span> "fio \u672a\u5b89\u88c5，\u8df3\u8fc7\u968f\u673a\u8bfb\u5199\u6d4b\u8bd5"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \n echo<\/span> "\u5b89\u88c5\u547d\u4ee4: sudo apt install fio \u6216 sudo yum install fio"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nfi<\/span><\/p>\n

        # \u83b7\u53d6\u6d4b\u8bd5\u540e\u7edf\u8ba1\u4fe1\u606f<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u83b7\u53d6\u6d4b\u8bd5\u540eNFS\u7edf\u8ba1\u4fe1\u606f…"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u6d4b\u8bd5\u540e\u5ba2\u6237\u7aef\u7edf\u8ba1:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nnfsstat -c<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        echo<\/span> "\u6d4b\u8bd5\u540e\u670d\u52a1\u5668\u7aef\u7edf\u8ba1:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \nnfsstat -s<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u8ba1\u7b97\u6027\u80fd\u5dee\u5f02<\/span>
        \necho<\/span> "\u6027\u80fd\u7edf\u8ba1\u5bf9\u6bd4:"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "————————————–"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        # \u6e05\u7406\u6d4b\u8bd5\u6587\u4ef6<\/span>
        \nrm<\/span> -f<\/span> "$TEST_FILE<\/span>"<\/span>
        \necho<\/span> "\u6e05\u7406\u6d4b\u8bd5\u6587\u4ef6\u5b8c\u6210"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        echo<\/span> ""<\/span> >><\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "======================================"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u57fa\u51c6\u6d4b\u8bd5\u5b8c\u6210"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span>
        \necho<\/span> "\u8be6\u7ec6\u65e5\u5fd7\u5df2\u4fdd\u5b58\u5230: $LOG_FILE<\/span>"<\/span> |<\/span> tee<\/span> -a<\/span> "$LOG_FILE<\/span>"<\/span><\/p>\n

        \u26a0\ufe0f \u91cd\u8981\u6ce8\u610f\u4e8b\u9879<\/h4>\n
      • \u6743\u9650\u8981\u6c42：\u67e5\u770b\u670d\u52a1\u5668\u7aef\u7edf\u8ba1\u9700\u8981 root \u6743\u9650\u3002<\/li>\n
      • \u7edf\u8ba1\u91cd\u7f6e：-z \u9009\u9879\u4f1a\u91cd\u7f6e\u6240\u6709\u7edf\u8ba1\u8ba1\u6570\u5668，\u8c28\u614e\u4f7f\u7528\u3002<\/li>\n
      • \u7248\u672c\u5dee\u5f02：\u4e0d\u540c Linux \u53d1\u884c\u7248\u7684 nfsstat \u9009\u9879\u53ef\u80fd\u7565\u6709\u5dee\u5f02\u3002<\/li>\n
      • \u5b9e\u65f6\u76d1\u63a7：-l \u9009\u9879\u5728\u76d1\u63a7\u671f\u95f4\u4f1a\u6301\u7eed\u5360\u7528\u7ec8\u7aef\u3002<\/li>\n
      • \u7f51\u7edc\u5f71\u54cd：NFS \u6027\u80fd\u53d7\u7f51\u7edc\u5ef6\u8fdf\u3001\u5e26\u5bbd\u548c\u670d\u52a1\u5668\u8d1f\u8f7d\u5f71\u54cd\u3002<\/li>\n
      • \u7f13\u5b58\u5f71\u54cd：\u5ba2\u6237\u7aef\u7f13\u5b58\u4f1a\u5f71\u54cd\u7edf\u8ba1\u6570\u636e\u7684\u51c6\u786e\u6027\u3002<\/li>\n

        🔄 \u76f8\u5173\u547d\u4ee4<\/h4>\n\n\u547d\u4ee4\u7528\u9014\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
        nfsstat<\/td>\nNFS \u7edf\u8ba1\u4fe1\u606f<\/td>\n\u663e\u793a NFS \u548c RPC \u7edf\u8ba1<\/td>\n<\/tr>\n
        mount<\/td>\n\u6302\u8f7d\u4fe1\u606f<\/td>\n\u67e5\u770b NFS \u6302\u8f7d\u70b9\u548c\u9009\u9879<\/td>\n<\/tr>\n
        showmount<\/td>\nNFS \u5171\u4eab\u67e5\u770b<\/td>\n\u67e5\u770b NFS \u670d\u52a1\u5668\u5171\u4eab\u76ee\u5f55<\/td>\n<\/tr>\n
        rpcinfo<\/td>\nRPC \u4fe1\u606f<\/td>\n\u67e5\u770b RPC \u670d\u52a1\u72b6\u6001<\/td>\n<\/tr>\n
        nfsiostat<\/td>\nNFS I\/O \u7edf\u8ba1<\/td>\n\u7c7b\u4f3c iostat，\u4e13\u7528\u4e8e NFS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        📈 \u6027\u80fd\u6307\u6807\u89e3\u8bfb<\/h4>\n
      • \u4f4e\u9519\u8bef\u7387：badcalls \u5e94\u63a5\u8fd1 0，\u9ad8\u503c\u8868\u793a\u8ba4\u8bc1\u6216\u7f51\u7edc\u95ee\u9898\u3002<\/li>\n
      • \u5408\u7406\u91cd\u4f20：retrans \u5e94\u5c0f\u4e8e\u603b\u8c03\u7528\u7684 5%，\u9ad8\u503c\u8868\u793a\u7f51\u7edc\u4e0d\u7a33\u5b9a\u3002<\/li>\n
      • \u64cd\u4f5c\u5206\u5e03：getattr \u901a\u5e38\u5360\u6bd4\u6700\u9ad8，read\/write \u53cd\u6620\u5b9e\u9645\u6570\u636e\u6d41\u91cf\u3002<\/li>\n
      • \u8d85\u65f6\u76d1\u63a7：timeouts \u9ad8\u503c\u8868\u793a\u670d\u52a1\u5668\u54cd\u5e94\u6162\u6216\u7f51\u7edc\u5ef6\u8fdf\u9ad8\u3002<\/li>\n
      • \u7f13\u5b58\u547d\u4e2d：\u9ad8 getattr \u8c03\u7528\u53ef\u80fd\u8868\u793a\u5c5e\u6027\u7f13\u5b58\u6548\u7387\u4f4e\u3002<\/li>\n

        nfsstat \u662f NFS \u6027\u80fd\u5206\u6790\u548c\u6545\u969c\u6392\u67e5\u7684\u5fc5\u5907\u5de5\u5177，\u901a\u8fc7\u76d1\u63a7\u5173\u952e\u6307\u6807\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u7f51\u7edc\u95ee\u9898\u3001\u670d\u52a1\u5668\u8d1f\u8f7d\u3001\u914d\u7f6e\u4e0d\u5f53\u7b49\u6027\u80fd\u74f6\u9888\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        nfsstat \u662f Linux \u4e2d\u4e00\u4e2a\u76d1\u63a7 NFS（Network File System）\u534f\u8bae\u6d3b\u52a8\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u8bfb\u53d6\u5185\u6838\u7ef4\u62a4\u7684 NFS \u7edf\u8ba1\u4fe1\u606f，\u63d0\u4f9b RPC（\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528）\u5c42\u548c NFS \u5c42\u7684\u8be6\u7ec6\u6027\u80fd\u6570\u636e，\u662f NFS \u6027\u80fd\u8c03\u4f18\u548c\u6545\u969c\u6392\u67e5\u7684\u91cd\u8981\u5de5\u5177\u3002
        \n📦 \u5b89\u88c5\u65b9\u6cd5
        \nnfsstat \u901a\u5e38\u5305\u542b\u5728 nfs-utils \u6216 nfs-common \u8f6f\u4ef6\u5305\u4e2d：
        \n# De<\/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],"topic":[],"class_list":["post-84455","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43"],"yoast_head":"\nLinux\u547d\u4ee4-nfsstat\uff08\u5217\u51faNFS\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u72b6\u6001\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/84455.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u547d\u4ee4-nfsstat\uff08\u5217\u51faNFS\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u72b6\u6001\uff09 - 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