{"id":45652,"date":"2024-10-07T00:54:14","date_gmt":"2024-10-06T16:54:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45652\/"},"modified":"2024-11-14T10:36:19","modified_gmt":"2024-11-14T02:36:19","slug":"%e9%80%9a%e9%81%8e-lvs-keepalived-%e9%83%a8%e7%bd%b2-mysql-%e9%ab%98%e5%8f%af%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45652\/","title":{"rendered":"\u901a\u904e LVS + Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528"},"content":{"rendered":"<h1 id=\"%e9%80%9a%e9%81%8e-lvs-keepalived-%e9%83%a8%e7%bd%b2-mysql-%e9%ab%98%e5%8f%af%e7%94%a8-QcSkPMkSHU\">\u901a\u904e LVS + Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u7d93\u5e38\u88ab\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd MySQL \u7684\u9ad8\u53ef\u7528\u6027\uff0c\u8a31\u591a\u4f01\u696d\u9078\u64c7\u4f7f\u7528 LVS\uff08Linux Virtual Server\uff09\u548c Keepalived \u7684\u7d44\u5408\u4f86\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u548c\u6545\u969c\u8f49\u79fb\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u901a\u904e LVS \u548c Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-lvs-%e5%92%8c-keepalived%ef%bc%9f-QcSkPMkSHU\">\u4ec0\u9ebc\u662f LVS \u548c Keepalived\uff1f<\/h2>\n<p>LVS \u662f\u4e00\u500b\u57fa\u65bc Linux \u7684\u8ca0\u8f09\u5747\u8861\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5c07\u7528\u6236\u7684\u8acb\u6c42\u5206\u767c\u5230\u591a\u500b\u5f8c\u7aef\u4f3a\u670d\u5668\u4e0a\u3002\u9019\u6a23\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u3002Keepalived \u5247\u662f\u4e00\u500b\u7528\u65bc\u7ba1\u7406 LVS \u7684\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u5065\u5eb7\u6aa2\u67e5\u548c\u6545\u969c\u8f49\u79fb\u7684\u529f\u80fd\u3002\u901a\u904e\u9019\u5169\u8005\u7684\u7d50\u5408\uff0c\u53ef\u4ee5\u5be6\u73fe\u4e00\u500b\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684 MySQL \u9ad8\u53ef\u7528\u67b6\u69cb\u3002<\/p>\n<h2 id=\"%e6%9e%b6%e6%a7%8b%e8%a8%ad%e8%a8%88-QcSkPMkSHU\">\u67b6\u69cb\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08 MySQL \u9ad8\u53ef\u7528\u67b6\u69cb\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u4ee5\u4e0b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li>\u4e00\u53f0 LVS \u8ca0\u8f09\u5747\u8861\u5668<\/li>\n<li>\u591a\u53f0 MySQL \u5f8c\u7aef\u4f3a\u670d\u5668<\/li>\n<li>\u4e00\u53f0 Keepalived \u4f3a\u670d\u5668<\/li>\n<\/ul>\n<p>\u9019\u6a23\u7684\u67b6\u69cb\u53ef\u4ee5\u78ba\u4fdd\u7576\u4e00\u53f0 MySQL \u4f3a\u670d\u5668\u51fa\u73fe\u6545\u969c\u6642\uff0c\u6d41\u91cf\u6703\u81ea\u52d5\u8f49\u79fb\u5230\u5176\u4ed6\u5065\u5eb7\u7684\u4f3a\u670d\u5668\u4e0a\u3002<\/p>\n<h2 id=\"%e9%83%a8%e7%bd%b2%e6%ad%a5%e9%a9%9f-QcSkPMkSHU\">\u90e8\u7f72\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d-lvs-%e5%92%8c-keepalived-QcSkPMkSHU\">1. \u5b89\u88dd LVS \u548c Keepalived<\/h3>\n<pre><code>sudo apt-get update\nsudo apt-get install ipvsadm keepalived<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%ae-lvs-QcSkPMkSHU\">2. \u914d\u7f6e LVS<\/h3>\n<p>\u5728 LVS \u8ca0\u8f09\u5747\u8861\u5668\u4e0a\uff0c\u7de8\u8f2f\u914d\u7f6e\u6587\u4ef6\u4ee5\u8a2d\u7f6e\u865b\u64ec IP \u548c\u5f8c\u7aef\u4f3a\u670d\u5668\uff1a<\/p>\n<pre><code>sudo nano \/etc\/keepalived\/keepalived.conf<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u914d\u7f6e\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>vrrp_instance VI_1 {\n    state MASTER\n    interface eth0\n    virtual_router_id 51\n    priority 100\n    advert_int 1\n    authentication {\n        auth_type PASS\n        auth_pass 1234\n    }\n    virtual_ipaddress {\n        192.168.1.100\n    }\n}\n\nvirtual_server 192.168.1.100 3306 {\n    delay_loop 6\n    lb_algo wrr\n    lb_kind NAT\n    persistence_timeout 50\n    protocol TCP\n\n    real_server 192.168.1.101 3306 {\n        weight 1\n        HTTP_CHECK {\n            connect_timeout 3\n            nb_get_retry 3\n            delay_before_retry 1\n        }\n    }\n\n    real_server 192.168.1.102 3306 {\n        weight 1\n        HTTP_CHECK {\n            connect_timeout 3\n            nb_get_retry 3\n            delay_before_retry 1\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae-mysql-QcSkPMkSHU\">3. \u914d\u7f6e MySQL<\/h3>\n<p>\u5728\u6bcf\u53f0 MySQL \u4f3a\u670d\u5668\u4e0a\uff0c\u78ba\u4fdd\u5b83\u5011\u7684\u914d\u7f6e\u4e00\u81f4\uff0c\u4e26\u4e14\u555f\u7528\u4e3b\u5f9e\u8907\u88fd\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u4e3b\u4f3a\u670d\u5668\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>sudo nano \/etc\/mysql\/my.cnf<\/code><\/pre>\n<p>\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code>[mysqld]\nserver-id = 1\nlog_bin = \/var\/log\/mysql\/mysql-bin.log\n<\/code><\/pre>\n<p>\u7136\u5f8c\u5728\u5f9e\u4f3a\u670d\u5668\u4e0a\u8a2d\u7f6e\u76f8\u61c9\u7684 server-id \u548c master \u4fe1\u606f\u3002<\/p>\n<h3 id=\"4-%e5%95%9f%e5%8b%95%e6%9c%8d%e5%8b%99-QcSkPMkSHU\">4. \u555f\u52d5\u670d\u52d9<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u555f\u52d5 Keepalived \u548c MySQL \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start keepalived\nsudo systemctl start mysql<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e8%88%87%e7%b6%ad%e8%ad%b7-QcSkPMkSHU\">\u76e3\u63a7\u8207\u7dad\u8b77<\/h2>\n<p>\u90e8\u7f72\u5b8c\u6210\u5f8c\uff0c\u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u5065\u5eb7\u72c0\u614b\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 Nagios \u6216 Zabbix \u4f86\u5be6\u73fe\u76e3\u63a7\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QcSkPMkSHU\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e LVS \u548c Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u80fd\u5920\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u9084\u80fd\u5728\u4f3a\u670d\u5668\u6545\u969c\u6642\u81ea\u52d5\u8f49\u79fb\u6d41\u91cf\uff0c\u78ba\u4fdd\u696d\u52d9\u7684\u9023\u7e8c\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 LVS \u548c Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u5be6\u73fe\u7121\u7e2b\u6545\u969c\u8f49\u79fb\u548c\u8ca0\u8f09\u5747\u8861\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-45652","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45652","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=45652"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45652\/revisions"}],"predecessor-version":[{"id":45653,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45652\/revisions\/45653"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}