{"id":43120,"date":"2024-10-04T17:41:34","date_gmt":"2024-10-04T09:41:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43120\/"},"modified":"2024-10-04T17:41:34","modified_gmt":"2024-10-04T09:41:34","slug":"centos-7-%e6%90%ad%e5%bb%ba%e9%ab%98%e5%8f%af%e7%94%a8%e9%9b%86%e7%be%a4%e5%85%b7%e9%ab%94%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43120\/","title":{"rendered":"CentOS 7 \u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u5177\u9ad4\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"centos-7-%e6%90%ad%e5%bb%ba%e9%ab%98%e5%8f%af%e7%94%a8%e9%9b%86%e7%be%a4%e5%85%b7%e9%ab%94%e6%96%b9%e6%b3%95-rqtxJUvWZA\">CentOS 7 \u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u5177\u9ad4\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u4e2d\u5fc3\u74b0\u5883\u4e2d\uff0c\u9ad8\u53ef\u7528\u6027\uff08High Availability, HA\uff09\u662f\u78ba\u4fdd\u670d\u52d9\u6301\u7e8c\u904b\u884c\u7684\u91cd\u8981\u56e0\u7d20\u3002CentOS 7 \u4f5c\u70ba\u4e00\u500b\u7a69\u5b9a\u4e14\u5ee3\u6cdb\u4f7f\u7528\u7684 Linux \u767c\u884c\u7248\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u4e0a\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u7684\u5177\u9ad4\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%ab%98%e5%8f%af%e7%94%a8%e9%9b%86%e7%be%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-rqtxJUvWZA\">\u9ad8\u53ef\u7528\u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u9ad8\u53ef\u7528\u96c6\u7fa4\u662f\u7531\u591a\u53f0\u4f3a\u670d\u5668\u7d44\u6210\u7684\u7cfb\u7d71\uff0c\u9019\u4e9b\u4f3a\u670d\u5668\u5171\u540c\u5de5\u4f5c\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u6301\u7e8c\u53ef\u7528\u6027\u3002\u7576\u4e00\u53f0\u4f3a\u670d\u5668\u767c\u751f\u6545\u969c\u6642\uff0c\u5176\u4ed6\u4f3a\u670d\u5668\u53ef\u4ee5\u63a5\u7ba1\u5176\u5de5\u4f5c\uff0c\u5f9e\u800c\u6e1b\u5c11\u505c\u6a5f\u6642\u9593\u3002\u9019\u7a2e\u67b6\u69cb\u901a\u5e38\u4f7f\u7528\u8ca0\u8f09\u5747\u8861\u548c\u6545\u969c\u8f49\u79fb\u6280\u8853\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e6%90%ad%e5%bb%ba%e9%ab%98%e5%8f%af%e7%94%a8%e9%9b%86%e7%be%a4%e7%9a%84%e5%89%8d%e6%9c%9f%e6%ba%96%e5%82%99-rqtxJUvWZA\">\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u7684\u524d\u671f\u6e96\u5099<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u6240\u6709\u4f3a\u670d\u5668\u90fd\u5b89\u88dd\u4e86 CentOS 7\u3002<\/li>\n<li>\u914d\u7f6e\u975c\u614b IP \u5730\u5740\uff0c\u4ee5\u4fbf\u65bc\u96c6\u7fa4\u5167\u90e8\u901a\u4fe1\u3002<\/li>\n<li>\u5b89\u88dd\u5fc5\u8981\u7684\u8edf\u4ef6\u5305\uff0c\u5305\u62ec <code>pacemaker<\/code> \u548c <code>corosync<\/code>\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%ae%89%e8%a3%9d%e5%bf%85%e8%a6%81%e7%9a%84%e8%bb%9f%e4%bb%b6%e5%8c%85-rqtxJUvWZA\">\u5b89\u88dd\u5fc5\u8981\u7684\u8edf\u4ef6\u5305<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd <code>pacemaker<\/code> \u548c <code>corosync<\/code>\uff1a<\/p>\n<pre><code>sudo yum install -y pacemaker corosync<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae-corosync-rqtxJUvWZA\">\u914d\u7f6e Corosync<\/h2>\n<p>Corosync \u662f\u4e00\u500b\u96c6\u7fa4\u901a\u4fe1\u7cfb\u7d71\uff0c\u8ca0\u8cac\u5728\u96c6\u7fa4\u7bc0\u9ede\u4e4b\u9593\u50b3\u905e\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e Corosync \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e7%b7%a8%e8%bc%af-corosync-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-rqtxJUvWZA\">\u7de8\u8f2f Corosync \u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b <code>\/etc\/corosync\/corosync.conf<\/code> \u6587\u4ef6\uff0c\u4e26\u6839\u64da\u60a8\u7684\u7db2\u7d61\u74b0\u5883\u9032\u884c\u914d\u7f6e\uff1a<\/p>\n<pre><code>totem {\n    version: 2;\n    secauth: off;\n    interface {\n        ringnumber: 0;\n        bindnetaddr: 192.168.1.0;  # \u66ff\u63db\u70ba\u60a8\u7684\u7db2\u7d61\u5730\u5740\n        mcastport: 5405;\n        ttl: 1;\n    }\n}\n\nlogging {\n    to_syslog: yes;\n}\n\nquorum {\n    provider: corosync_votequorum;\n}\n<\/code><\/pre>\n<h3 id=\"%e5%95%9f%e5%8b%95-corosync-%e6%9c%8d%e5%8b%99-rqtxJUvWZA\">\u555f\u52d5 Corosync \u670d\u52d9<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 Corosync \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start corosync\nsudo systemctl enable corosync<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae-pacemaker-rqtxJUvWZA\">\u914d\u7f6e Pacemaker<\/h2>\n<p>Pacemaker \u662f\u4e00\u500b\u96c6\u7fa4\u8cc7\u6e90\u7ba1\u7406\u5668\uff0c\u8ca0\u8cac\u7ba1\u7406\u96c6\u7fa4\u4e2d\u7684\u8cc7\u6e90\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e Pacemaker \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e5%95%9f%e5%8b%95-pacemaker-%e6%9c%8d%e5%8b%99-rqtxJUvWZA\">\u555f\u52d5 Pacemaker \u670d\u52d9<\/h3>\n<pre><code>sudo systemctl start pacemaker\nsudo systemctl enable pacemaker<\/code><\/pre>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e9%9b%86%e7%be%a4%e7%8b%80%e6%85%8b-rqtxJUvWZA\">\u6aa2\u67e5\u96c6\u7fa4\u72c0\u614b<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u96c6\u7fa4\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo crm status<\/code><\/pre>\n<h2 id=\"%e6%b7%bb%e5%8a%a0%e8%b3%87%e6%ba%90%e5%88%b0%e9%9b%86%e7%be%a4-rqtxJUvWZA\">\u6dfb\u52a0\u8cc7\u6e90\u5230\u96c6\u7fa4<\/h2>\n<p>\u5728\u96c6\u7fa4\u4e2d\u6dfb\u52a0\u8cc7\u6e90\u4ee5\u78ba\u4fdd\u5176\u9ad8\u53ef\u7528\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6dfb\u52a0\u4e00\u500b\u865b\u64ec IP \u5730\u5740\u8cc7\u6e90\uff1a<\/p>\n<pre><code>sudo crm configure\nprimitive VirtualIP ocf:heartbeat:IPaddr2 \n    params ip=192.168.1.100  # \u66ff\u63db\u70ba\u60a8\u7684\u865b\u64ec IP \u5730\u5740\n    op monitor interval=30s\n<\/code><\/pre>\n<h2 id=\"%e6%b8%ac%e8%a9%a6%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-rqtxJUvWZA\">\u6e2c\u8a66\u9ad8\u53ef\u7528\u6027<\/h2>\n<p>\u70ba\u4e86\u78ba\u4fdd\u96c6\u7fa4\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u60a8\u53ef\u4ee5\u624b\u52d5\u505c\u6b62\u4e00\u53f0\u4f3a\u670d\u5668\uff0c\u7136\u5f8c\u6aa2\u67e5\u8cc7\u6e90\u662f\u5426\u81ea\u52d5\u8f49\u79fb\u5230\u5176\u4ed6\u4f3a\u670d\u5668\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl stop httpd  # \u505c\u6b62 Apache \u670d\u52d9\u4f5c\u70ba\u793a\u4f8b<\/code><\/pre>\n<p>\u7136\u5f8c\u4f7f\u7528 <code>sudo crm status<\/code> \u547d\u4ee4\u6aa2\u67e5\u8cc7\u6e90\u72c0\u614b\uff0c\u78ba\u4fdd\u5176\u5df2\u8f49\u79fb\u5230\u5176\u4ed6\u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rqtxJUvWZA\">\u7e3d\u7d50<\/h2>\n<p>\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u662f\u78ba\u4fdd\u670d\u52d9\u6301\u7e8c\u904b\u884c\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 CentOS 7 \u548c\u76f8\u95dc\u5de5\u5177\u5982 Corosync \u548c Pacemaker\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u6e1b\u5c11\u56e0\u6545\u969c\u5c0e\u81f4\u7684\u696d\u52d9\u640d\u5931\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728CentOS 7\u4e0a\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\uff0c\u638c\u63e1\u5177\u9ad4\u6b65\u9a5f\u8207\u914d\u7f6e\u6280\u5de7\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-43120","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=43120"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43120\/revisions"}],"predecessor-version":[{"id":43121,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43120\/revisions\/43121"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}