{"id":53015,"date":"2024-10-09T07:35:16","date_gmt":"2024-10-08T23:35:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/53015\/"},"modified":"2024-11-14T10:36:29","modified_gmt":"2024-11-14T02:36:29","slug":"%e9%80%9a%e9%81%8e-lvs-keepalived-%e9%83%a8%e7%bd%b2-mysql-%e9%ab%98%e5%8f%af%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/53015\/","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-GGJcymIGpN\">\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\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-GGJcymIGpN\">\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\u6d41\u91cf\u5206\u914d\u5230\u591a\u500b\u5f8c\u7aef\u4f3a\u670d\u5668\u4e0a\u3002\u5b83\u652f\u6301\u591a\u7a2e\u8ca0\u8f09\u5747\u8861\u7b97\u6cd5\uff0c\u5982\u8f2a\u8a62\u3001\u6700\u5c11\u9023\u63a5\u548c\u57fa\u65bc\u6b0a\u91cd\u7684\u5206\u914d\u3002\u9019\u4f7f\u5f97 LVS \u6210\u70ba\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<p>Keepalived \u5247\u662f\u4e00\u500b\u7528\u65bc\u9ad8\u53ef\u7528\u6027\u7684\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u65bc\u76e3\u63a7\u4f3a\u670d\u5668\u7684\u5065\u5eb7\u72c0\u614b\uff0c\u4e26\u5728\u4f3a\u670d\u5668\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u5230\u5099\u7528\u4f3a\u670d\u5668\u3002\u5b83\u4f7f\u7528 VRRP\uff08Virtual Router Redundancy Protocol\uff09\u4f86\u5be6\u73fe\u865b\u64ec IP \u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e9%83%a8%e7%bd%b2%e6%9e%b6%e6%a7%8b-GGJcymIGpN\">\u90e8\u7f72\u67b6\u69cb<\/h2>\n<p>\u5728\u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\u89e3\u6c7a\u65b9\u6848\u6642\uff0c\u901a\u5e38\u6703\u6709\u4ee5\u4e0b\u5e7e\u500b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li>\u4e00\u53f0 LVS \u8ca0\u8f09\u5747\u8861\u5668<\/li>\n<li>\u591a\u53f0 MySQL \u4f3a\u670d\u5668\uff08\u4e3b\u5f9e\u67b6\u69cb\uff09<\/li>\n<li>\u4e00\u53f0 Keepalived \u4f3a\u670d\u5668<\/li>\n<\/ul>\n<p>\u9019\u6a23\u7684\u67b6\u69cb\u53ef\u4ee5\u78ba\u4fdd\u5728\u4e3b\u4f3a\u670d\u5668\u6545\u969c\u6642\uff0c\u6d41\u91cf\u80fd\u5920\u81ea\u52d5\u5207\u63db\u5230\u5099\u7528\u4f3a\u670d\u5668\uff0c\u5f9e\u800c\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e5%92%8c%e9%85%8d%e7%bd%ae-lvs-GGJcymIGpN\">\u5b89\u88dd\u548c\u914d\u7f6e LVS<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u8ca0\u8f09\u5747\u8861\u5668\u4e0a\u5b89\u88dd LVS\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get install ipvsadm<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u914d\u7f6e LVS\uff1a<\/p>\n<pre><code>ipvsadm -A -t 192.168.1.100:3306 -s rr\nipvsadm -a -t 192.168.1.100:3306 -r 192.168.1.101:3306 -m\nipvsadm -a -t 192.168.1.100:3306 -r 192.168.1.102:3306 -m<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c192.168.1.100 \u662f LVS \u7684\u865b\u64ec IP\uff0c192.168.1.101 \u548c 192.168.1.102 \u662f\u5f8c\u7aef\u7684 MySQL \u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e5%92%8c%e9%85%8d%e7%bd%ae-keepalived-GGJcymIGpN\">\u5b89\u88dd\u548c\u914d\u7f6e Keepalived<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728 LVS \u8ca0\u8f09\u5747\u8861\u5668\u4e0a\u5b89\u88dd Keepalived\uff1a<\/p>\n<pre><code>sudo apt-get install keepalived<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u7de8\u8f2f Keepalived \u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u901a\u5e38\u4f4d\u65bc \/etc\/keepalived\/keepalived.conf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u914d\u7f6e\u793a\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}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u914d\u7f6e\u4e2d\uff0c\u60a8\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574 interface \u548c IP \u5730\u5740\u3002<\/p>\n<h2 id=\"%e6%b8%ac%e8%a9%a6%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-GGJcymIGpN\">\u6e2c\u8a66\u9ad8\u53ef\u7528\u6027<\/h2>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u95dc\u9589\u4e3b MySQL \u4f3a\u670d\u5668\u4f86\u6e2c\u8a66\u9ad8\u53ef\u7528\u6027\u3002\u7576\u4e3b\u4f3a\u670d\u5668\u95dc\u9589\u6642\uff0cKeepalived \u61c9\u8a72\u6703\u81ea\u52d5\u5c07\u865b\u64ec IP \u5207\u63db\u5230\u5099\u7528\u4f3a\u670d\u5668\uff0c\u4e26\u4e14 LVS \u6703\u5c07\u6d41\u91cf\u5c0e\u5411\u65b0\u7684\u4e3b\u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GGJcymIGpN\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528 LVS \u548c Keepalived\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5728\u4f3a\u670d\u5668\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\uff0c\u6e1b\u5c11\u696d\u52d9\u4e2d\u65b7\u7684\u98a8\u96aa\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u66f4\u9ad8\u7684\u7cfb\u7d71\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u901a\u904e LVS \u548c Keepalived \u90e8\u7f72 MySQL \u9ad8\u53ef\u7528\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\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-53015","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/53015","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=53015"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/53015\/revisions"}],"predecessor-version":[{"id":53016,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/53015\/revisions\/53016"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=53015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=53015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=53015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}