![\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725002547-6a64028bbfe60.png\")
<\/p>\n<\/p>\n
👋 \u5927\u5bb6\u597d，\u6b22\u8fce\u6765\u5230\u6211\u7684\u6280\u672f\u535a\u5ba2！ 📚 \u5728\u8fd9\u91cc，\u6211\u4f1a\u5206\u4eab\u5b66\u4e60\u7b14\u8bb0\u3001\u5b9e\u6218\u7ecf\u9a8c\u4e0e\u6280\u672f\u601d\u8003，\u529b\u6c42\u7528\u7b80\u5355\u7684\u65b9\u5f0f\u8bb2\u6e05\u695a\u590d\u6742\u7684\u95ee\u9898\u3002 🎯 \u672c\u6587\u5c06\u56f4\u7ed5Linux\u8fd9\u4e2a\u8bdd\u9898\u5c55\u5f00，\u5e0c\u671b\u80fd\u4e3a\u4f60\u5e26\u6765\u4e00\u4e9b\u542f\u53d1\u6216\u5b9e\u7528\u7684\u53c2\u8003\u3002 🌱 \u65e0\u8bba\u4f60\u662f\u521a\u5165\u95e8\u7684\u65b0\u624b，\u8fd8\u662f\u6b63\u5728\u8fdb\u9636\u7684\u5f00\u53d1\u8005，\u5e0c\u671b\u4f60\u90fd\u80fd\u6709\u6240\u6536\u83b7！<\/p>\n
\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u4e2d，\u6587\u4ef6\u5171\u4eab\u662f\u57fa\u7840\u4e14\u5173\u952e\u7684\u4e00\u73af\u3002\u65e0\u8bba\u662f\u5fae\u670d\u52a1\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3001\u591a\u8282\u70b9\u65e5\u5fd7\u805a\u5408，\u8fd8\u662f\u8de8\u4e3b\u673a\u7684\u914d\u7f6e\u540c\u6b65，\u90fd\u9700\u8981\u4e00\u79cd\u7a33\u5b9a\u3001\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u6587\u4ef6\u5171\u4eab\u673a\u5236\u3002NFS（Network File System）\u4f5c\u4e3a Unix\/Linux \u7cfb\u7edf\u4e2d\u6700\u7ecf\u5178\u548c\u5e7f\u6cdb\u4f7f\u7528\u7684\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\u534f\u8bae，\u5386\u7ecf\u6570\u5341\u5e74\u53d1\u5c55\u4f9d\u7136\u6d3b\u8dc3\u4e8e\u751f\u4ea7\u73af\u5883，\u5176\u7b80\u6d01\u6027\u3001\u517c\u5bb9\u6027\u548c\u9ad8\u6027\u80fd\u4f7f\u5176\u6210\u4e3a\u4f01\u4e1a\u7ea7\u90e8\u7f72\u7684\u9996\u9009\u65b9\u6848\u4e4b\u4e00\u3002<\/p>\n
\u672c\u6587\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb，\u5728 Linux \u73af\u5883\u4e0b\u642d\u5efa\u5b8c\u6574\u7684 NFS \u670d\u52a1\u5668，\u5e76\u901a\u8fc7 Java \u7f16\u5199\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6f14\u793a\u5982\u4f55\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8bbf\u95ee\u5171\u4eab\u76ee\u5f55，\u5b9e\u73b0\u8de8\u4e3b\u673a\u6587\u4ef6\u8bfb\u5199\u3002\u6211\u4eec\u8fd8\u5c06\u6df1\u5165\u63a2\u8ba8\u5b89\u5168\u914d\u7f6e\u3001\u6027\u80fd\u8c03\u4f18\u3001\u6545\u969c\u6392\u67e5\u7b49\u5b9e\u7528\u6280\u5de7，\u8ba9\u4f60\u4e0d\u4ec5\u201c\u4f1a\u642d\u201d，\u66f4\u80fd\u201c\u7528\u597d\u201d\u3002<\/p>\n
NFS \u662f\u7531 Sun Microsystems \u5728 1984 \u5e74\u5f00\u53d1\u7684\u4e00\u79cd\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u534f\u8bae，\u5141\u8bb8\u7528\u6237\u50cf\u8bbf\u95ee\u672c\u5730\u78c1\u76d8\u4e00\u6837\u8bbf\u95ee\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u6587\u4ef6\u3002\u5b83\u57fa\u4e8e RPC（Remote Procedure Call）\u673a\u5236，\u652f\u6301 TCP\/UDP \u4f20\u8f93，\u9ed8\u8ba4\u4f7f\u7528 TCP \u534f\u8bae\u4ee5\u786e\u4fdd\u53ef\u9760\u6027\u3002<\/p>\n
🔗 \u60f3\u6df1\u5165\u4e86\u89e3 NFS \u534f\u8bae\u7ec6\u8282？\u53ef\u4ee5\u53c2\u8003 RFC 7530 – NFSv4 Protocol Specification<\/p>\n
\u4e3a\u4e86\u4fbf\u4e8e\u6f14\u793a，\u6211\u4eec\u5047\u8bbe\u6709\u4e24\u53f0 Linux \u4e3b\u673a：<\/p>\n
💡 \u5efa\u8bae\u4f7f\u7528\u865a\u62df\u673a\u6216\u4e91\u670d\u52a1\u5668\u8fdb\u884c\u5b9e\u9a8c，\u907f\u514d\u5f71\u54cd\u751f\u4ea7\u73af\u5883\u3002<\/p>\n
\u6240\u6709\u64cd\u4f5c\u5747\u9700 root \u6743\u9650，\u8bf7\u63d0\u524d\u51c6\u5907\u597d sudo \u6216\u76f4\u63a5\u5207\u6362\u4e3a root \u7528\u6237\u3002<\/p>\n
\u5728 Server \u7aef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u6240\u9700\u8f6f\u4ef6\u5305：<\/p>\n
# Ubuntu\/Debian<\/span> # CentOS\/RHEL\/Fedora<\/span> \u542f\u52a8\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f：<\/p>\n sudo<\/span> systemctl enable<\/span> rpcbind nfs-server \u68c0\u67e5\u670d\u52a1\u72b6\u6001：<\/p>\n sudo<\/span> systemctl status nfs-server<\/p>\n \u4f60\u5e94\u8be5\u770b\u5230\u7c7b\u4f3c\u8f93\u51fa：<\/p>\n \u25cf nfs-server.service – NFS server and services \u9009\u62e9\u4e00\u4e2a\u76ee\u5f55\u4f5c\u4e3a\u5171\u4eab\u6839\u76ee\u5f55，\u4f8b\u5982 \/srv\/nfs\/shared：<\/p>\n sudo<\/span> mkdir<\/span> -p<\/span> \/srv\/nfs\/shared \u26a0\ufe0f \u6ce8\u610f：nobody \u548c nogroup \u662f\u9ed8\u8ba4\u7684\u533f\u540d\u7528\u6237\u7ec4，\u7528\u4e8e\u6620\u5c04\u8fdc\u7a0b\u5ba2\u6237\u7aef\u672a\u5339\u914d\u7684 UID\/GID\u3002\u4f60\u4e5f\u53ef\u4ee5\u6307\u5b9a\u7279\u5b9a\u7528\u6237\u5982 www-data \u6216\u81ea\u5b9a\u4e49\u7528\u6237\u3002<\/p>\n \u7f16\u8f91 \/etc\/exports \u6587\u4ef6，\u5b9a\u4e49\u54ea\u4e9b\u76ee\u5f55\u53ef\u4ee5\u88ab\u54ea\u4e9b\u5ba2\u6237\u7aef\u8bbf\u95ee：<\/p>\n sudo<\/span> nano<\/span> \/etc\/exports<\/p>\n \u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9：<\/p>\n \/srv\/nfs\/shared 192.168.1.101(rw,sync,no_subtree_check,no_root_squash)<\/p>\n 🛑 \u5b89\u5168\u63d0\u793a：no_root_squash \u4f1a\u8ba9\u8fdc\u7a0b root \u7528\u6237\u62e5\u6709\u670d\u52a1\u5668\u7aef root \u6743\u9650，\u5b58\u5728\u4e25\u91cd\u5b89\u5168\u9690\u60a3\u3002\u5efa\u8bae\u751f\u4ea7\u73af\u5883\u4f7f\u7528 root_squash（\u9ed8\u8ba4），\u6216\u660e\u786e\u6307\u5b9a UID \u6620\u5c04\u3002<\/p>\n \u5982\u679c\u4f60\u5e0c\u671b\u5141\u8bb8\u591a\u4e2a\u5ba2\u6237\u7aef\u8bbf\u95ee，\u53ef\u4ee5\u8fd9\u6837\u5199：<\/p>\n \/srv\/nfs\/shared 192.168.1.0\/24(rw,sync,no_subtree_check,root_squash)<\/p>\n \u4fdd\u5b58\u9000\u51fa\u540e，\u91cd\u65b0\u52a0\u8f7d\u914d\u7f6e：<\/p>\n sudo<\/span> exportfs -ra<\/span><\/p>\n \u9a8c\u8bc1\u5bfc\u51fa\u662f\u5426\u6210\u529f：<\/p>\n sudo<\/span> exportfs -v<\/span><\/p>\n \u8f93\u51fa\u5e94\u5305\u542b：<\/p>\n \/srv\/nfs\/shared 192.168.1.101(rw,sync,wdelay,hide,no_subtree_check,sec=sys,no_root_squash)<\/p>\n NFS \u4f7f\u7528\u591a\u4e2a\u7aef\u53e3，\u5305\u62ec：<\/p>\n sudo<\/span> ufw allow from 192.168<\/span>.1.101 to any port nfs sudo<\/span> firewall-cmd –permanent<\/span> –add-service=<\/span>nfs 🔄 \u91cd\u542f\u9632\u706b\u5899\u540e\u5efa\u8bae\u518d\u6b21\u786e\u8ba4\u670d\u52a1\u72b6\u6001：<\/p>\n sudo<\/span> systemctl restart nfs-server<\/p>\n \u5207\u6362\u5230 Client \u7aef（192.168.1.101），\u5b89\u88c5 NFS \u5ba2\u6237\u7aef\u5de5\u5177：<\/p>\n # Ubuntu\/Debian<\/span> # CentOS\/RHEL<\/span> \u521b\u5efa\u672c\u5730\u6302\u8f7d\u70b9：<\/p>\n sudo<\/span> mkdir<\/span> -p<\/span> \/mnt\/nfs-shared<\/p>\n \u624b\u52a8\u6302\u8f7d：<\/p>\n sudo<\/span> mount<\/span> -t<\/span> nfs 192.168<\/span>.1.100:\/srv\/nfs\/shared \/mnt\/nfs-shared<\/p>\n \u9a8c\u8bc1\u6302\u8f7d：<\/p>\n df<\/span> -h<\/span> |<\/span> grep<\/span> nfs<\/p>\n \u8f93\u51fa\u7c7b\u4f3c：<\/p>\n 192.168.1.100:\/srv\/nfs\/shared 20G 5.2G 14G 28% \/mnt\/nfs-shared<\/p>\n \u6d4b\u8bd5\u8bfb\u5199：<\/p>\n echo<\/span> "Hello from client!"<\/span> ><\/span> \/mnt\/nfs-shared\/test.txt \u5982\u679c\u770b\u5230\u8f93\u51fa，\u606d\u559c\u4f60，NFS \u5df2\u6210\u529f\u642d\u5efa！<\/p>\n \u7f16\u8f91 \/etc\/fstab：<\/p>\n sudo<\/span> nano<\/span> \/etc\/fstab<\/p>\n \u6dfb\u52a0\u4e00\u884c：<\/p>\n 192.168.1.100:\/srv\/nfs\/shared \/mnt\/nfs-shared nfs defaults,timeo=600,retrans=2,_netdev 0 0<\/p>\n \u4fdd\u5b58\u540e\u6d4b\u8bd5：<\/p>\n sudo<\/span> umount<\/span> \/mnt\/nfs-shared \u65e0\u62a5\u9519\u5373\u914d\u7f6e\u6210\u529f\u3002<\/p>\n \u4f60\u53ef\u4ee5\u4f7f\u7528 dd \u547d\u4ee4\u6d4b\u8bd5\u5199\u5165\u901f\u5ea6：<\/p>\n dd<\/span> if<\/span>=<\/span>\/dev\/zero of<\/span>=<\/span>\/mnt\/nfs-shared\/testfile bs<\/span>=<\/span>1M count<\/span>=<\/span>100<\/span> conv<\/span>=<\/span>fdatasync<\/p>\n \u6216\u4f7f\u7528 fio \u8fdb\u884c\u66f4\u4e13\u4e1a\u7684 I\/O \u57fa\u51c6\u6d4b\u8bd5：<\/p>\n sudo<\/span> apt<\/span> install<\/span> fio \u867d\u7136 NFS \u65b9\u4fbf，\u4f46\u9ed8\u8ba4\u914d\u7f6e\u5e76\u4e0d\u5b89\u5168\u3002\u4ee5\u4e0b\u662f\u51e0\u6761\u52a0\u56fa\u5efa\u8bae：<\/p>\n \u5728 \/etc\/exports \u4e2d\u660e\u786e\u6307\u5b9a\u5ba2\u6237\u7aef IP \u6216\u7f51\u6bb5，\u907f\u514d * \u901a\u914d\u7b26\u3002<\/p>\n NFSv4 \u652f\u6301 GSSAPI\/Kerberos \u5b89\u5168\u8ba4\u8bc1，\u9002\u5408\u4f01\u4e1a\u73af\u5883\u3002\u914d\u7f6e\u8f83\u590d\u6742，\u4f46\u5b89\u5168\u6027\u6781\u9ad8\u3002<\/p>\n 📘 \u53c2\u8003\u5b98\u65b9\u6587\u6863：Red Hat NFS Security Guide<\/p>\n \u9664\u975e\u5fc5\u8981，\u4e0d\u8981\u4f7f\u7528 no_root_squash\u3002\u9ed8\u8ba4 root_squash \u4f1a\u5c06\u8fdc\u7a0b root \u6620\u5c04\u4e3a nobody，\u9632\u6b62\u63d0\u6743\u653b\u51fb\u3002<\/p>\n \u9ed8\u8ba4 NFS \u4f7f\u7528\u52a8\u6001\u7aef\u53e3，\u4e0d\u5229\u4e8e\u9632\u706b\u5899\u7ba1\u7406\u3002\u53ef\u901a\u8fc7\u914d\u7f6e\u56fa\u5b9a\u7aef\u53e3\u89e3\u51b3：<\/p>\n \u7f16\u8f91 \/etc\/default\/nfs-kernel-server（Ubuntu）\u6216 \/etc\/sysconfig\/nfs（CentOS）：<\/p>\n # Ubuntu \u793a\u4f8b<\/span> \u7136\u540e\u5728\u9632\u706b\u5899\u4e2d\u53ea\u5f00\u653e\u8fd9\u4e9b\u7aef\u53e3\u3002<\/p>\n #mermaid-svg-0795j8je99JExQst{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-0795j8je99JExQst .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-0795j8je99JExQst .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-0795j8je99JExQst .error-icon{fill:#552222;}#mermaid-svg-0795j8je99JExQst .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-0795j8je99JExQst .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-0795j8je99JExQst .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-0795j8je99JExQst .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-0795j8je99JExQst .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-0795j8je99JExQst .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-0795j8je99JExQst .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-0795j8je99JExQst .marker{fill:#333333;stroke:#333333;}#mermaid-svg-0795j8je99JExQst .marker.cross{stroke:#333333;}#mermaid-svg-0795j8je99JExQst svg{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-0795j8je99JExQst p{margin:0;}#mermaid-svg-0795j8je99JExQst .label{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;color:#333;}#mermaid-svg-0795j8je99JExQst .cluster-label text{fill:#333;}#mermaid-svg-0795j8je99JExQst .cluster-label span{color:#333;}#mermaid-svg-0795j8je99JExQst .cluster-label span p{background-color:transparent;}#mermaid-svg-0795j8je99JExQst .label text,#mermaid-svg-0795j8je99JExQst span{fill:#333;color:#333;}#mermaid-svg-0795j8je99JExQst .node rect,#mermaid-svg-0795j8je99JExQst .node circle,#mermaid-svg-0795j8je99JExQst .node ellipse,#mermaid-svg-0795j8je99JExQst .node polygon,#mermaid-svg-0795j8je99JExQst .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-0795j8je99JExQst .rough-node .label text,#mermaid-svg-0795j8je99JExQst .node .label text,#mermaid-svg-0795j8je99JExQst .image-shape .label,#mermaid-svg-0795j8je99JExQst .icon-shape .label{text-anchor:middle;}#mermaid-svg-0795j8je99JExQst .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-0795j8je99JExQst .rough-node .label,#mermaid-svg-0795j8je99JExQst .node .label,#mermaid-svg-0795j8je99JExQst .image-shape .label,#mermaid-svg-0795j8je99JExQst .icon-shape .label{text-align:center;}#mermaid-svg-0795j8je99JExQst .node.clickable{cursor:pointer;}#mermaid-svg-0795j8je99JExQst .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-0795j8je99JExQst .arrowheadPath{fill:#333333;}#mermaid-svg-0795j8je99JExQst .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-0795j8je99JExQst .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-0795j8je99JExQst .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-0795j8je99JExQst .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-0795j8je99JExQst .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-0795j8je99JExQst .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-0795j8je99JExQst .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-0795j8je99JExQst .cluster text{fill:#333;}#mermaid-svg-0795j8je99JExQst .cluster span{color:#333;}#mermaid-svg-0795j8je99JExQst div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-0795j8je99JExQst .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-0795j8je99JExQst rect.text{fill:none;stroke-width:0;}#mermaid-svg-0795j8je99JExQst .icon-shape,#mermaid-svg-0795j8je99JExQst .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-0795j8je99JExQst .icon-shape p,#mermaid-svg-0795j8je99JExQst .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-0795j8je99JExQst .icon-shape .label rect,#mermaid-svg-0795j8je99JExQst .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-0795j8je99JExQst .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-0795j8je99JExQst .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-0795j8je99JExQst :root{–mermaid-font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;}<\/p>\n <\/p>\n Mount Request<\/p>\n <\/span><\/p>\n <\/span><\/p>\n <\/span><\/p>\n <\/p>\n Read\/Write File<\/p>\n <\/span><\/p>\n <\/span><\/p>\n <\/p>\n Allow Ports<\/p>\n <\/span><\/p>\n <\/p>\n Allow Ports<\/p>\n <\/span><\/p>\n <\/span><\/p>\n <\/span><\/p>\n <\/p>\n NFS Client<\/p>\n <\/span><\/p>\n <\/p>\n rpcbind<\/p>\n <\/span><\/p>\n <\/p>\n NFS Server<\/p>\n <\/span><\/p>\n <\/p>\n \/srv\/nfs\/shared<\/p>\n <\/span><\/p>\n <\/p>\n NFS Daemon<\/p>\n <\/span><\/p>\n <\/p>\n Firewall<\/p>\n <\/span><\/p>\n <\/p>\n User App<\/p>\n <\/span><\/p>\n <\/p>\n Java Program<\/p>\n <\/span><\/p>\n \u4e0a\u56fe\u5c55\u793a\u4e86 NFS \u5ba2\u6237\u7aef\u5982\u4f55\u901a\u8fc7 RPC \u4e0e\u670d\u52a1\u7aef\u901a\u4fe1，\u6700\u7ec8\u8bbf\u95ee\u5171\u4eab\u76ee\u5f55\u7684\u5b8c\u6574\u6d41\u7a0b\u3002Java \u5e94\u7528\u901a\u8fc7\u6807\u51c6\u6587\u4ef6 API \u95f4\u63a5\u64cd\u4f5c NFS \u6302\u8f7d\u70b9，\u65e0\u9700\u611f\u77e5\u5e95\u5c42\u534f\u8bae\u3002<\/p>\n \u65e2\u7136 NFS \u6302\u8f7d\u540e\u5982\u540c\u672c\u5730\u76ee\u5f55，\u90a3\u4e48 Java \u7a0b\u5e8f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 java.nio.file \u6216 java.io.File \u8fdb\u884c\u64cd\u4f5c，\u65e0\u9700\u4efb\u4f55\u7279\u6b8a\u5e93！<\/p>\n \u4e0b\u9762\u662f\u4e00\u4e2a\u5b8c\u6574\u7684 Java \u793a\u4f8b\u7a0b\u5e8f，\u6f14\u793a\u5982\u4f55：<\/p>\n import<\/span> java.<\/span>io.<\/span><\/span>*<\/span><\/span>;<\/span>
\nsudo<\/span> apt<\/span> update
\nsudo<\/span> apt<\/span> install<\/span> nfs-kernel-server rpcbind<\/p>\n
\nsudo<\/span> dnf install<\/span> nfs-utils rpcbind<\/p>\n
\nsudo<\/span> systemctl start rpcbind nfs-server<\/p>\n
\n Loaded: loaded (\/lib\/systemd\/system\/nfs-server.service; enabled; vendor preset: enabled)
\n Active: active (exited) since Mon 2024-06-03 10:22:15 CST; 2min ago<\/p>\n
\n📁 \u7b2c\u4e8c\u6b65：\u521b\u5efa\u5171\u4eab\u76ee\u5f55\u5e76\u8bbe\u7f6e\u6743\u9650<\/h3>\n
\nsudo<\/span> chown<\/span> nobody:nogroup \/srv\/nfs\/shared # Ubuntu \u9ed8\u8ba4\u4f7f\u7528 nobody \u7528\u6237<\/span>
\nsudo<\/span> chmod<\/span> 777<\/span> \/srv\/nfs\/shared # \u5f00\u653e\u8bfb\u5199\u6743\u9650（\u751f\u4ea7\u73af\u5883\u8bf7\u6309\u9700\u6536\u7d27）<\/span><\/p>\n
\n📜 \u7b2c\u4e09\u6b65：\u914d\u7f6e exports \u6587\u4ef6<\/h3>\n
\u53c2\u6570\u8be6\u89e3：<\/h4>\n
\n
\u53c2\u6570\u8bf4\u660e<\/tr>\n \n\n rw<\/td>\n \u5141\u8bb8\u8bfb\u5199（read-write）<\/td>\n<\/tr>\n \n sync<\/td>\n \u540c\u6b65\u5199\u5165，\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027（\u727a\u7272\u90e8\u5206\u6027\u80fd）<\/td>\n<\/tr>\n \n no_subtree_check<\/td>\n \u5173\u95ed\u5b50\u6811\u68c0\u67e5，\u63d0\u5347\u6027\u80fd，\u9002\u7528\u4e8e\u6574\u4e2a\u76ee\u5f55\u5171\u4eab<\/td>\n<\/tr>\n \n no_root_squash<\/td>\n \u5141\u8bb8\u5ba2\u6237\u7aef root \u7528\u6237\u4fdd\u7559 root \u6743\u9650（\u26a0\ufe0f \u751f\u4ea7\u614e\u7528！）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n🔍 \u7b2c\u56db\u6b65：\u5f00\u653e\u9632\u706b\u5899\u7aef\u53e3<\/h3>\n
\n
Ubuntu (ufw):<\/h4>\n
\nsudo<\/span> ufw allow from 192.168<\/span>.1.101 to any port 111<\/span>
\nsudo<\/span> ufw allow from 192.168<\/span>.1.101 to any port 2049<\/span><\/p>\nCentOS (firewalld):<\/h4>\n
\nsudo<\/span> firewall-cmd –permanent<\/span> –add-service=<\/span>rpc-bind
\nsudo<\/span> firewall-cmd –permanent<\/span> –add-service=<\/span>mountd
\nsudo<\/span> firewall-cmd –reload<\/span><\/p>\n
\n🖥\ufe0f \u7b2c\u4e94\u6b65：\u5ba2\u6237\u7aef\u6302\u8f7d\u5171\u4eab\u76ee\u5f55<\/h3>\n
\nsudo<\/span> apt<\/span> install<\/span> nfs-common<\/p>\n
\nsudo<\/span> dnf install<\/span> nfs-utils<\/p>\n
\ncat<\/span> \/mnt\/nfs-shared\/test.txt<\/p>\n
\n🔄 \u8bbe\u7f6e\u5f00\u673a\u81ea\u52a8\u6302\u8f7d<\/h3>\n
\u53c2\u6570\u8bf4\u660e：<\/h4>\n
\n
\nsudo<\/span> mount<\/span> -a<\/span><\/p>\n
\n🧪 \u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/h3>\n
\nfio –name<\/span>=<\/span>randwrite –ioengine<\/span>=<\/span>sync –iodepth<\/span>=<\/span>1<\/span> –rw<\/span>=<\/span>randwrite –bs<\/span>=<\/span>4k –size<\/span>=<\/span>100M –numjobs<\/span>=<\/span>1<\/span> –directory<\/span>=<\/span>\/mnt\/nfs-shared –runtime<\/span>=<\/span>60<\/span> –time_based<\/span> –end_fsync<\/span>=<\/span>1<\/span><\/p>\n
\n🛡\ufe0f \u5b89\u5168\u52a0\u56fa\u5efa\u8bae<\/h3>\n
1. \u9650\u5236\u8bbf\u95ee IP<\/h4>\n
2. \u4f7f\u7528 Kerberos \u8ba4\u8bc1（NFSv4+）<\/h4>\n
3. \u542f\u7528 root_squash<\/h4>\n
4. \u4f7f\u7528\u56fa\u5b9a\u7aef\u53e3 + \u9632\u706b\u5899\u767d\u540d\u5355<\/h4>\n
\nRPCMOUNTDOPTS<\/span>=<\/span>"–manage-gids –port 32767"<\/span>
\nSTATDOPTS<\/span>=<\/span>"–port 32765 –outgoing-port 32766"<\/span><\/p>\n
\n📊 NFS \u67b6\u6784\u6d41\u7a0b\u56fe（mermaid）<\/h3>\n
\n\u2615 \u7b2c\u516d\u6b65：Java \u5ba2\u6237\u7aef\u8bbf\u95ee NFS \u5171\u4eab\u76ee\u5f55<\/h3>\n
📄 Java \u4ee3\u7801\u793a\u4f8b：NFSFileOperator.java<\/h4>\n
\nimport<\/span> java.<\/span>nio.<\/span>file.<\/span><\/span>*<\/span><\/span>;<\/span>
\nimport<\/span> java.<\/span>nio.<\/span>file.<\/span>attribute.<\/span><\/span>BasicFileAttributes<\/span><\/span>;<\/span>
\nimport<\/span> java.<\/span>time.<\/span><\/span>LocalDateTime<\/span><\/span>