{"id":9344,"date":"2023-03-29T11:15:57","date_gmt":"2023-03-29T03:15:57","guid":{"rendered":"https:\/\/egonlin.com\/?p=9344"},"modified":"2024-05-24T20:16:40","modified_gmt":"2024-05-24T12:16:40","slug":"%e4%ba%94%e3%80%81keepalived%e9%ab%98%e5%8f%af%e7%94%a8","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=9344","title":{"rendered":"\u4e94\u3001Keepalived\u9ad8\u53ef\u7528"},"content":{"rendered":"<h1>\u4e00 Keepalived \u7b80\u4ecb<\/h1>\n<p>1\u3001\u4ec0\u4e48\u662fkeepavlied\uff1f<\/p>\n<pre class=\"code\">keepalived\u662f\u96c6\u7fa4\u7ba1\u7406\u4e2d\u4fdd\u8bc1\u96c6\u7fa4\u9ad8\u53ef\u7528\u7684\u4e00\u4e2a\u670d\u52a1\u8f6f\u4ef6\uff0c<span style=\"background-color: #008000;\">\u7528\u6765\u9632\u6b62\u5355\u70b9\u6545\u969c<\/span>\u3002\r\n\r\n\u4f5c\u7528\r\n1\u3001Keepalived\u7684\u4f5c\u7528\u662f\u68c0\u6d4b\u670d\u52a1\u5668\u7684\u72b6\u6001\uff0c\u5982\u679c\u6709\u4e00\u53f0\u670d\u52a1\u5668\u6b7b\u673a\u6216\u5de5\u4f5c\u51fa\u73b0\u6545\u969c\uff0cKeepalived\u5c06\u68c0\u6d4b\u5230\uff0c\u5e76\u5c06\u6709\u6545\u969c\u7684\u670d\u52a1\u5668\u4ece\u7cfb\u7edf\u4e2d\u5254\u9664\uff0c\r\n\u5f53\u670d\u52a1\u5668\u5de5\u4f5c\u6b63\u5e38\u540eKeepalived\u81ea\u52a8\u5c06\u670d\u52a1\u5668\u52a0\u5165\u5230\u670d\u52a1\u5668\u7fa4\u4e2d\uff0c\u8fd9\u4e9b\u5de5\u4f5c\u5168\u90e8\u81ea\u52a8\u5b8c\u6210\uff0c\u4e0d\u9700\u8981\u4eba\u5de5\u5e72\u6d89\uff0c\u9700\u8981\u4eba\u5de5\u505a\u7684\u53ea\u662f\u4fee\u590d\u6545\u969c\u7684web\u670d\u52a1\u5668\u3002\r\n2\u3001<span style=\"background-color: #0000ff;\">Keepalived\u7ba1\u7406\u7684\u673a\u5668\u7ec4\u4f1a\u5bf9\u5916\u63d0\u4f9b\u4e00\u4e2avip\uff0c\u7ec4\u5185\u7684\u4e00\u53f0\u673a\u5668\u6302\u6389\u540e\uff0cvip\u81ea\u52a8\u98d8\u79fb\u5230\u53e6\u5916\u4e00\u53f0\u673a\u5668\uff0c\u786e\u4fdd\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1<\/span>\r\n\u5177\u4f53\u4f7f\u7528\u573a\u666f\r\n1\u3001lvs\u8d1f\u8f7d\u5747\u8861+keepalived\r\n2\u3001nginx\u8d1f\u8f7d\u5747\u8861+keepalived\r\n3\u3001haproxy\u8d1f\u8f7d\u5747\u8861+keepalived\r\n<\/pre>\n<p>2\u3001\u4e3a\u4f55\u8981\u5f15\u5165keepavlied\uff1f\uff1f\uff1f<\/p>\n<pre class=\"code\"> \u89e3\u51b3\u5355\u70b9\u6545\u969c\uff08vip\u6f02\u79fb\uff09<\/pre>\n<p>3\u3001keepalived\u7684\u539f\u7406<\/p>\n<pre class=\"code\">1\u3001Keepalived \u7684\u9ad8\u53ef\u7528\u662f\u57fa\u4e8e VRRP \u534f\u8bae\u6765\u5b9e\u73b0\u7684\uff0cVRRP\u5168\u79f0Virtual Router Redundancy Protocol\uff0c\u5373\u865a\u62df\u8def\u7531\u5197\u4f59\u534f\u8bae\u3002\r\n\r\n2\u3001\u865a\u62df\u8def\u7531\u5197\u4f59\u534f\u8bae\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u662f\u5b9e\u73b0\u8def\u7531\u5668\u9ad8\u53ef\u7528\u7684\u534f\u8bae\uff0c\u5373\u5c06N\u53f0\u63d0\u4f9b\u76f8\u540c\u529f\u80fd\u7684\u8def\u7531\u5668(\u53ef\u4ee5\u7406\u89e3\u4e3a\u5355\u4e2a\u670d\u52a1\u5668\u8282\u70b9)\u7ec4\u6210\u4e00\u4e2a\u8def\u7531\u5668\u7ec4\r\n\r\n<span style=\"background-color: #0000ff;\">\u5982\u679c\u4f60\u7528vrrp\u534f\u8bae\u7ba1\u7406\u670d\u52a1\u5668\uff0c\u90a3vrrp\u4fbf\u4f1a\u628a\u591a\u4e2a\u670d\u52a1\u5668\u7ec4\u6210\u4e00\u4e2a\u7ec4\uff0c\u4e5f\u5c31\u662f\u867d\u7136\u5b83\u540d\u5b57\u53eb\u865a\u62df\u8def\u7531\u5197\u4f59\u534f\u8bae\uff0c\u4f46\u5e76\u975e\u4e00\u5b9a\u8981\u7ba1\u7406\u8def\u7531\u5668\uff0c\u4f60\u7528\u5b83\u7ba1\u7406\u670d\u52a1\u5668\u5f53\u7136\u4e5f\u53ef\u4ee5<\/span>\r\n3\u3001\u8fd9\u4e2a\u7ec4\u91cc\u9762\u6709\u4e00\u4e2amaster \u548c\u591a\u4e2a backup\uff0cmaster \u4e0a\u9762\u6709\u4e00\u4e2a\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u7684 VIP(Virtual IP Address)\r\n\r\n4\u3001master \u4f1a\u53d1\u7ec4\u64ad\uff0c\u5f53 backup \u6536\u4e0d\u5230 vrrp \u5305\u65f6\u5c31\u8ba4\u4e3a master \u5b95\u6389\u4e86\uff0c\u8fd9\u65f6\u5c31\u9700\u8981\u6839\u636e VRRP \u7684\u4f18\u5148\u7ea7\u6765\u9009\u4e3e\u4e00\u4e2a backup \u5f53 master\u3002VIP\u4f1a\u81ea\u52a8\u6f02\u79fb\u8fc7\u53bb\r\n5\u3001\u8fd9\u6837\u7684\u8bdd\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u8def\u7531\u5668\u7684\u9ad8\u53ef\u7528\u4e86\u3002\r\n\r\n\r\n\u6ce8\u610f\uff1a\r\n<span style=\"background-color: #0000ff;\">1\u3001VRRP\u4f9d\u8d56\u5c40\u57df\u7f51LAN\u591a\u64ad\u6216\u5e7f\u64ad\uff0c\u6240\u4ee5\u8981\u6c42\u88abkeepalived\u7ba1\u7406\u7684\u673a\u5668\u5fc5\u987b\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u5185<\/span>\r\n<span style=\"background-color: #0000ff;\">2\u3001VRRP\u901a\u544a\u6d88\u606f\u76f4\u63a5\u5c01\u88c5\u5728IP\u6570\u636e\u5305\u4e2d\u53d1\u9001\uff0c\u56e0\u6b64VRRP\u6570\u636e\u5305\u672c\u8d28\u4e0a\u5c31\u662f\u666e\u901a\u7684IP\u6570\u636e\u5305\uff0c\u6240\u4ee5\u8bf4vrrp\u534f\u8bae\u4e0d\u9700\u8981\u7279\u6b8a\u7684\u7f51\u7edc\u8bbe\u5907\u6765\u89e3\u6790<\/span><\/pre>\n<p>4\u3001keealived\u7684\u7ec4\u6210\u4e3b\u8981\u6709\u4e09\u4e2a\u6a21\u5757\uff0c\u5206\u522b\u662fcore\u3001check \u548c vrrp<\/p>\n<pre class=\"code\">1\u3001core \u6a21\u5757\u4e3akeepalived\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\u4e3b\u8fdb\u7a0b\u7684\u542f\u52a8\u3001\u7ef4\u62a4\u4ee5\u53ca\u5168\u5c40\u914d\u7f6e\u6587\u4ef6\u7684\u52a0\u8f7d\u548c\u89e3\u6790\u3002\r\n\r\n2\u3001check \u8d1f\u8d23\u5065\u5eb7\u68c0\u67e5\uff0c\u5305\u62ec\u5e38\u89c1\u7684\u5404\u79cd\u68c0\u67e5\u65b9\u5f0f\u3002\r\n\r\n3\u3001vrrp \u6a21\u5757\u662f\u6765\u5b9e\u73b0 VRRP \u534f\u8bae\u7684\u3002\r\n<\/pre>\n<p>5\u3001\u90e8\u7f72\u6709Keepalived\u670d\u52a1\u7684\u76f8\u5173\u8282\u70b9\u4e4b\u95f4\u5e76\u4e0d\u9700\u8981\u4e13\u95e8\u7684\u201c\u5fc3\u8df3\u7ebf\u201d\uff08\u7269\u7406\u76f4\u8fde\uff09<\/p><div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"9344\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"9344\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"ddd1d7a3a6\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"faec68e29d\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Username:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"username\" value=\"\" type=\"text\"\/><\/td><\/tr><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Password:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"password\" value=\"\" type=\"password\"\/><\/td><\/tr><\/tbody><\/table><p class=\"wpf-table-placeholder submit\"><button class=\"wp_plugin_framework_ajax_button\" type=\"button\" style=\"background-color:#4D90FE;;color:#ffffff;;border:1px solid #3079ed;\" name=\"_event\" value=\"ButtonLogin\">Log in<\/button><\/p><\/td><td class=\"wpf-table-placeholder-input\"><\/td><\/tr><\/tbody><\/table><\/form><div id=\"ButtonStartRegister\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e00 Keepalived \u7b80\u4ecb 1\u3001\u4ec0\u4e48\u662fkeepavlied\uff1f keepalived\u662f\u96c6\u7fa4\u7ba1\u7406\u4e2d\u4fdd\u8bc1\u96c6\u7fa4\u9ad8\u53ef [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[44],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9344"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9344"}],"version-history":[{"count":36,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9344\/revisions"}],"predecessor-version":[{"id":10983,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9344\/revisions\/10983"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}