{"id":16174,"date":"2024-11-18T13:05:25","date_gmt":"2024-11-18T05:05:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16174\/"},"modified":"2024-11-18T13:05:25","modified_gmt":"2024-11-18T05:05:25","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%8a%e9%85%8d%e7%bd%ae%e9%ab%98%e5%8f%af%e7%94%a8%e7%9a%84%e9%9b%86%e7%be%a4%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16174\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf"},"content":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5728\u8ba1\u7b97\u673a\u9886\u57df\uff0c\u9ad8\u53ef\u7528\u6027\uff08high availability\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u53ef\u7528\u6027\u3002\u5728\u96c6\u7fa4\u73af\u5883\u4e2d\uff0c\u9ad8\u53ef\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u662f\u4fdd\u8bc1\u7cfb\u7edf\u6301\u7eed\u8fd0\u884c\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\uff0c\u4ee5\u53ca\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\u5b89\u88c5\u8f6f\u4ef6\u5305<br \/>\u9996\u5148\uff0c\u786e\u4fdd\u7cfb\u7edf\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86\u5fc5\u8981\u7684\u8f6f\u4ef6\u5305\u3002\u5728\u7edd\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5305\u7ba1\u7406\u5de5\u5177\u6765\u5b89\u88c5\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u8f6f\u4ef6\u5305\uff1a<\/li>\n<\/ol>\n<ul>\n<li>Pacemaker\uff1a\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u7528\u4e8e\u7ba1\u7406\u6587\u4ef6\u7cfb\u7edf\u7684\u72b6\u6001\u548c\u8d44\u6e90\u3002<\/li>\n<li>Corosync\uff1a\u7528\u4e8e\u6784\u5efa\u548c\u7ef4\u62a4\u96c6\u7fa4\u73af\u5883\u7684\u901a\u4fe1\u5de5\u5177\u3002<\/li>\n<li>DRBD\uff1a\u5206\u5e03\u5f0f\u590d\u5236\u5757\u8bbe\u5907\uff0c\u7528\u4e8e\u5b9e\u73b0\u78c1\u76d8\u955c\u50cf\u3002<\/li>\n<li>GFS2\u6216OCFS2\uff1a\u7528\u4e8e\u63d0\u4f9b\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u5728Ubuntu\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u8f6f\u4ef6\u5305\uff1a<\/p>\n<pre>sudo apt-get install pacemaker corosync drbd8-utils gfs2-utils<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u914d\u7f6e\u96c6\u7fa4\u73af\u5883<br \/>\u9996\u5148\uff0c\u9700\u8981\u914d\u7f6e\u96c6\u7fa4\u73af\u5883\uff0c\u5305\u62ec\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u8d44\u6e90\u7684\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u914d\u7f6e\u793a\u4f8b\uff0c\u5176\u4e2d\u6709\u4e24\u4e2a\u8282\u70b9\uff08node1\u548cnode2\uff09\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u4fee\u6539\/etc\/hosts\u6587\u4ef6\uff0c\u6dfb\u52a0\u8282\u70b9\u7684IP\u5730\u5740\u548c\u4e3b\u673a\u540d\uff0c\u4ee5\u4fbf\u8282\u70b9\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<pre>sudo nano \/etc\/hosts<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre>192.168.1.100    node1\n192.168.1.101    node2<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u914d\u7f6eCorosync\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p>\u521b\u5efaCorosync\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<pre>sudo nano \/etc\/corosync\/corosync.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre>totem {\n    version: 2\n    secauth: off\n    cluster_name: mycluster\n    transport: udpu\n}\n\nnodelist {\n    node {\n        ring0_addr: node1\n        nodeid: 1\n    }\n    node {\n        ring0_addr: node2\n        nodeid: 2\n    }\n}\n\nquorum {\n    provider: corosync_votequorum\n}\n\nlogging {\n    to_syslog: yes\n    to_logfile: yes\n    logfile: \/var\/log\/corosync.log\n    debug: off\n    timestamp: on\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u542f\u7528Corosync\u548cPacemaker\u670d\u52a1\u3002<\/li>\n<\/ul>\n<pre>sudo systemctl enable corosync\nsudo systemctl enable pacemaker<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u542f\u52a8\u670d\u52a1\u3002<\/p>\n<pre>sudo systemctl start corosync\nsudo systemctl start pacemaker<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u914d\u7f6eDRBD<br \/>DRBD\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u590d\u5236\u5757\u8bbe\u5907\uff0c\u5b83\u7528\u4e8e\u5728\u591a\u4e2a\u8282\u70b9\u4e4b\u95f4\u5b9e\u73b0\u78c1\u76d8\u955c\u50cf\u3002\u4ee5\u4e0b\u662fDRBD\u7684\u914d\u7f6e\u793a\u4f8b\uff0c\u5176\u4e2d\u6709\u4e24\u4e2a\u8282\u70b9\uff08node1\u548cnode2\uff09\uff0c\u5e76\u4f7f\u7528\/dev\/sdb\u4f5c\u4e3a\u5171\u4eab\u5757\u8bbe\u5907\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u914d\u7f6eDRBD\u3002<\/li>\n<\/ul>\n<p>\u521b\u5efaDRBD\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<pre>sudo nano \/etc\/drbd.d\/myresource.res<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre>resource myresource {\n    protocol C;\n\n    on node1 {\n        device \/dev\/drbd0;\n        disk   \/dev\/sdb;\n        address 192.168.1.100:7789;\n        meta-disk internal;\n    }\n\n    on node2 {\n        device \/dev\/drbd0;\n        disk   \/dev\/sdb;\n        address 192.168.1.101:7789;\n        meta-disk internal;\n    }\n\n    net {\n        allow-two-primaries;\n    }\n\n    startup {\n        wfc-timeout     15;\n        degr-wfc-timeout 60;\n    }\n\n    syncer {\n        rate    100M;\n        al-extents 257;\n    }\n\n    on-node-upgraded {\n        # promote node1 to primary after a successful upgrade\n        if [ \"$(cat \/proc\/sys\/kernel\/osrelease)\" != \"$TW_AFTER_MAJOR.$TW_AFTER_MINOR.$TW_AFTER_UP\" ] &amp;amp;&amp;amp; \n           [ \"$(cat \/proc\/mounts | grep $DRBD_DEVICE)\" = \"\" ] ; then\n            \/usr\/bin\/logger \"DRBD on-node-upgraded handler: Promoting to primary after upgrade.\";\n            \/usr\/sbin\/drbdsetup $DRBD_DEVICE primary;\n        fi;\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u521d\u59cb\u5316DRBD\u3002<\/li>\n<\/ul>\n<pre>sudo drbdadm create-md myresource<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u542f\u52a8DRBD\u3002<\/p>\n<pre>sudo systemctl start drbd<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u914d\u7f6e\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf<br \/>\u6709\u591a\u79cd\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\u53ef\u4f9b\u9009\u62e9\uff0c\u5982GFS2\u548cOCFS2\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528GFS2\u4e3a\u4f8b\u7684\u914d\u7f6e\u793a\u4f8b\u3002<\/li>\n<\/ol>\n<ul>\n<li>\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<pre>sudo mkfs.gfs2 -p lock_gulmd -t mycluster:myresource \/dev\/drbd0<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<pre>sudo mkdir \/mnt\/mycluster\nsudo mount -t gfs2 \/dev\/drbd0 \/mnt\/mycluster<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6dfb\u52a0\u6587\u4ef6\u7cfb\u7edf\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<pre>sudo pcs resource create myresource Filesystem device=\"\/dev\/drbd0\" directory=\"\/mnt\/mycluster\" fstype=\"gfs2\"  op start  timeout=\"60s\"  op stop  timeout=\"60s\"  op monitor interval=\"10s\"  op monitor timeout=\"20s\"  op monitor start-delay=\"5s\"  op monitor stop-delay=\"0s\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u542f\u7528\u548c\u542f\u52a8\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<pre>sudo pcs constraint order myresource-clone then start myresource\nsudo pcs constraint colocation add myresource with myresource-clone<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6d4b\u8bd5\u9ad8\u53ef\u7528\u6027<br \/>\u5b8c\u6210\u4ee5\u4e0a\u914d\u7f6e\u540e\uff0c\u53ef\u4ee5\u6d4b\u8bd5\u9ad8\u53ef\u7528\u6027\u3002\u4ee5\u4e0b\u662f\u6d4b\u8bd5\u7684\u6b65\u9aa4\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u505c\u6b62\u4e3b\u8282\u70b9\u3002<\/li>\n<\/ul>\n<pre>sudo pcs cluster stop node1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u5728\u5907\u7528\u8282\u70b9\u4e0a\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<pre>sudo mount | grep \"\/mnt\/mycluster\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\u5e94\u4e3a\u5907\u7528\u8282\u70b9\u7684\u5730\u5740\u548c\u6302\u8f7d\u70b9\u3002<\/p>\n<ul>\n<li>\u6062\u590d\u4e3b\u8282\u70b9\u3002<\/li>\n<\/ul>\n<pre>sudo pcs cluster start node1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u6062\u590d\u5230\u4e3b\u8282\u70b9\u4e0a\u3002<\/li>\n<\/ul>\n<pre>sudo mount | grep \"\/mnt\/mycluster\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8f93\u51fa\u5e94\u4e3a\u4e3b\u8282\u70b9\u7684\u5730\u5740\u548c\u6302\u8f7d\u70b9\u3002<\/p>\n<p>\u7ed3\u8bba\uff1a<br \/>\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u53ef\u7528\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u8bfb\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u9002\u5f53\u7684\u914d\u7f6e\u548c\u8c03\u6574\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf \u5f15\u8a00\uff1a\u5728\u8ba1\u7b97\u673a\u9886\u57df\uff0c\u9ad8\u53ef\u7528\u6027\uff08high availability\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u53ef\u7528\u6027\u3002\u5728\u96c6\u7fa4\u73af\u5883\u4e2d\uff0c\u9ad8\u53ef\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u662f\u4fdd\u8bc1\u7cfb\u7edf\u6301\u7eed\u8fd0\u884c\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\uff0c\u4ee5\u53ca\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u5b89\u88c5\u8f6f\u4ef6\u5305\u9996\u5148\uff0c\u786e\u4fdd\u7cfb\u7edf\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86\u5fc5\u8981\u7684\u8f6f\u4ef6\u5305\u3002\u5728\u7edd\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5305\u7ba1\u7406\u5de5\u5177\u6765\u5b89\u88c5\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u8f6f\u4ef6\u5305\uff1a Pacemaker\uff1a\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u7528\u4e8e\u7ba1\u7406\u6587\u4ef6\u7cfb\u7edf\u7684\u72b6\u6001\u548c\u8d44\u6e90\u3002 Corosync\uff1a\u7528\u4e8e\u6784\u5efa\u548c\u7ef4\u62a4\u96c6\u7fa4\u73af\u5883\u7684\u901a\u4fe1\u5de5\u5177\u3002 DRBD\uff1a\u5206\u5e03\u5f0f\u590d\u5236\u5757\u8bbe\u5907\uff0c\u7528\u4e8e\u5b9e\u73b0\u78c1\u76d8\u955c\u50cf\u3002 GFS2\u6216OCFS2\uff1a\u7528\u4e8e\u63d0\u4f9b\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\u6587\u4ef6\u7cfb\u7edf\u3002 \u5728Ubuntu\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u8f6f\u4ef6\u5305\uff1a sudo apt-get install pacemaker corosync drbd8-utils gfs2-utils \u767b\u5f55\u540e\u590d\u5236 \u914d\u7f6e\u96c6\u7fa4\u73af\u5883\u9996\u5148\uff0c\u9700\u8981\u914d\u7f6e\u96c6\u7fa4\u73af\u5883\uff0c\u5305\u62ec\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u8d44\u6e90\u7684\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u914d\u7f6e\u793a\u4f8b\uff0c\u5176\u4e2d\u6709\u4e24\u4e2a\u8282\u70b9\uff08node1\u548cnode2\uff09\uff1a \u4fee\u6539\/etc\/hosts\u6587\u4ef6\uff0c\u6dfb\u52a0\u8282\u70b9\u7684IP\u5730\u5740\u548c\u4e3b\u673a\u540d\uff0c\u4ee5\u4fbf\u8282\u70b9\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u8bbf\u95ee\u3002 sudo nano \/etc\/hosts \u767b\u5f55\u540e\u590d\u5236 \u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a 192.168.1.100 node1 192.168.1.101 node2 \u767b\u5f55\u540e\u590d\u5236 \u914d\u7f6eCorosync\u901a\u4fe1\u3002 \u521b\u5efaCorosync\u914d\u7f6e\u6587\u4ef6\u3002 sudo nano \/etc\/corosync\/corosync.conf \u767b\u5f55\u540e\u590d\u5236 \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a totem { version: 2 secauth: off cluster_name: mycluster transport: udpu } nodelist { node { ring0_addr: node1 nodeid: 1 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