{"id":36067,"date":"2026-09-14T16:58:59","date_gmt":"2026-09-14T08:58:59","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-configure-automatic-failover-for-mysql-master-slave\/"},"modified":"2026-09-14T17:12:23","modified_gmt":"2026-09-14T09:12:23","slug":"how-to-configure-automatic-failover-for-mysql-master-slave","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-configure-automatic-failover-for-mysql-master-slave\/","title":{"rendered":"\u5982\u4f55\u4e3a MySQL \u4e3b\u4ece\u67b6\u6784\u914d\u7f6e\u81ea\u52a8\u6545\u969c\u5207\u6362"},"content":{"rendered":"

\u4f60\u53ef\u4ee5\u501f\u52a9 Keepalived\u3001MySQL Utilities \u6216 MySQL InnoDB Cluster \u7b49\u5de5\u5177\uff0c\u4e3a MySQL \u4e3b\u4ece\u67b6\u6784\u914d\u7f6e\u81ea\u52a8\u6545\u969c\u5207\u6362\u3002\u672c\u6587\u5c06\u5e26\u4f60\u4f9d\u6b21\u5b8c\u6210\u524d\u7f6e\u6761\u4ef6\u51c6\u5907\u3001\u590d\u5236\u914d\u7f6e\u3001\u6545\u969c\u5207\u6362\u5de5\u5177\u90e8\u7f72\u3001\u6d4b\u8bd5\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5\u3002Keepalived \u901a\u8fc7\u7ba1\u7406\u865a\u62df IP \u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u800c MySQL Utilities \u548c InnoDB Cluster \u5219\u53ef\u4ee5\u5728\u4e3b\u5e93\u6545\u969c\u65f6\u63d0\u5347\u65b0\u7684\u4e3b\u5e93\u3002\u672c\u6587\u9ed8\u8ba4\u4f60\u5df2\u7ecf\u638c\u63e1\u57fa\u672c\u7684 MySQL \u547d\u4ee4<\/a>\uff0c\u5e76\u4e14\u81f3\u5c11\u51c6\u5907\u597d\u4e86\u4e24\u53f0\u670d\u52a1\u5668<\/a>\u3002\u4f60\u5c06\u5b66\u4f1a\u5982\u4f55\u5728\u4e3b\u5e93\u5b95\u673a\u65f6\u4fdd\u62a4\u6570\u636e\u4e00\u81f4\u6027\uff0c\u5e76\u5c3d\u53ef\u80fd\u7ef4\u6301\u4e1a\u52a1\u53ef\u7528\u6027\u3002\u6309\u7167\u672c\u6587\u6b65\u9aa4\u64cd\u4f5c\uff0c\u4f60\u53ef\u4ee5\u5efa\u7acb\u4e00\u5957\u503c\u5f97\u4fe1\u8d56\u7684\u6545\u969c\u5207\u6362\u65b9\u6848\u3002<\/p>\n

MySQL \u590d\u5236\u7684\u524d\u7f6e\u6761\u4ef6<\/h2>\n

\u670d\u52a1\u5668\u4e0e\u7f51\u7edc\u8981\u6c42<\/h3>\n

\u5728\u6784\u5efa\u4efb\u4f55\u6545\u969c\u5207\u6362\u65b9\u6848\u4e4b\u524d\uff0c\u4f60\u81f3\u5c11\u9700\u8981\u4e24\u53f0\u670d\u52a1\u5668\u3002\u5176\u4e2d\u4e00\u53f0\u4f5c\u4e3a\u4e3b\u5e93\uff0c\u8d1f\u8d23\u5904\u7406\u6240\u6709\u5199\u5165\u6d41\u91cf\uff1b\u53e6\u4e00\u53f0\u4f5c\u4e3a\u4ece\u5e93\uff0c\u63a5\u6536\u4e3b\u5e93\u7684\u5168\u90e8\u53d8\u66f4\u526f\u672c\u3002\u4e3a\u6bcf\u53f0\u4e3b\u673a\u5206\u914d\u9759\u6001 IP \u5730\u5740\u3001\u53ef\u89e3\u6790\u7684\u4e3b\u673a\u540d\uff0c\u4ee5\u53ca\u7a33\u5b9a\u53ef\u9760\u7684\u7f51\u7edc\u8fde\u63a5\u3002\u8fde\u63a5\u4e2d\u65ad\u662f\u89e6\u53d1\u6545\u969c\u5207\u6362\u6700\u5e38\u89c1\u7684\u539f\u56e0\u4e4b\u4e00\uff0c\u56e0\u6b64\u7f51\u7edc\u672c\u8eab\u5c31\u662f\u67b6\u6784\u8bbe\u8ba1\u7684\u4e00\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u4e8b\u540e\u8865\u6551\u9879\u3002<\/p>\n

\u6545\u969c\u5207\u6362\u901a\u5e38\u4f1a\u56e0\u4e09\u7c7b\u95ee\u9898\u88ab\u89e6\u53d1\uff1a\u8282\u70b9\u4e4b\u95f4\u7684\u7f51\u7edc\u4e2d\u65ad\u3001\u4e3b\u5e93\u6240\u5728\u673a\u5668\u5b95\u673a\uff0c\u6216\u8005 MySQL \u670d\u52a1\u672c\u8eab\u88ab\u5173\u95ed\u3002\u5bf9\u6545\u969c\u5207\u6362\u5de5\u5177\u6765\u8bf4\uff0c\u8fd9\u4e09\u79cd\u60c5\u51b5\u8868\u73b0\u5e76\u4e0d\u76f8\u540c\uff0c\u56e0\u6b64\u4f60\u5fc5\u987b\u4e3a\u6bcf\u79cd\u60c5\u51b5\u8bbe\u8ba1\u6e05\u6670\u7684\u5e94\u5bf9\u7b56\u7565\u3002\u4f60\u4e5f\u53ef\u4ee5\u91c7\u7528\u4e3b\u4e3b\u67b6\u6784\uff0c\u5373\u6bcf\u4e2a\u4e3b\u5e93\u5404\u81ea\u590d\u5236\u5230\u81ea\u5df1\u7684\u4ece\u5e93\u3002\u8fd9\u79cd\u8bbe\u8ba1\u589e\u52a0\u4e86\u6570\u636e\u5197\u4f59\uff0c\u4f46\u4f60\u7684\u6545\u969c\u5207\u6362\u65b9\u6848\u4ecd\u7136\u5fc5\u987b\u5728\u6bcf\u4e2a\u4e3b\u5e93\u5404\u81ea\u62e5\u6709\u4ece\u5e93\u7684\u524d\u63d0\u4e0b\uff0c\u51c6\u786e\u63d0\u5347\u6b63\u786e\u7684\u8282\u70b9\u3002\u52a1\u5fc5\u5145\u5206\u6d4b\u8bd5\u8fd9\u79cd\u62d3\u6251\uff0c\u56e0\u4e3a\u4e00\u65e6\u63d0\u5347\u9519\u8bef\u8282\u70b9\uff0c\u5c31\u4f1a\u7834\u574f\u6574\u4e2a\u67b6\u6784\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

MySQL \u5b89\u88c5\u4e0e\u7248\u672c\u517c\u5bb9\u6027<\/h3>\n

\u5728\u6240\u6709\u8282\u70b9\u4e0a\u5b89\u88c5\u76f8\u540c\u7248\u672c\u7684 MySQL\u3002\u7248\u672c\u4e0d\u4e00\u81f4\u53ef\u80fd\u4f1a\u5728\u4e00\u4e9b\u7ec6\u8282\u4e0a\u7834\u574f MySQL \u590d\u5236\uff0c\u5c24\u5176\u662f\u5728\u4e8c\u8fdb\u5236\u65e5\u5fd7\u683c\u5f0f\u5728\u4e0d\u540c\u7248\u672c\u4e4b\u95f4\u53d1\u751f\u53d8\u5316\u65f6\u66f4\u662f\u5982\u6b64\u3002\u5728\u5f00\u59cb\u914d\u7f6e\u4e4b\u524d\uff0c\u5148\u68c0\u67e5\u6bcf\u53f0\u4e3b\u673a\u4e0a\u7684\u7248\u672c\uff0c\u5e76\u4f18\u5148\u5347\u7ea7\u4e0d\u4e00\u81f4\u7684\u670d\u52a1\u5668\u3002\u5728 Ubuntu \u6216 Debian \u4e0a\uff0c\u4e3b\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e \/etc\/mysql\/mysql.conf.d\/mysqld.cnf<\/code>\uff0c\u7a0d\u540e\u4f60\u9700\u8981\u5728\u4e3b\u5e93\u4e0a\u4fee\u6539\u5b83\u3002<\/p>\n

\u5728\u8c03\u6574\u590d\u5236\u8bbe\u7f6e\u4e4b\u524d\uff0c\u5148\u89c4\u5212\u597d\u76d1\u63a7\u65b9\u6848\u3002\u4f60\u9700\u8981\u4e00\u79cd\u65b9\u6cd5\u6765\u5feb\u901f\u68c0\u6d4b\u4e3b\u5e93\u662f\u5426\u5931\u6548\uff0c\u4e5f\u9700\u8981\u4e00\u79cd\u65b9\u6cd5\u6765\u786e\u8ba4\u526f\u672c\u662f\u5426\u5065\u5eb7\u4e14\u5df2\u7ecf\u8ffd\u5e73\u3002\u63d0\u524d\u786e\u5b9a\u7531\u54ea\u79cd\u5de5\u5177\u8d1f\u8d23\u76d1\u63a7\u96c6\u7fa4\u3001\u68c0\u67e5\u9891\u7387\u662f\u591a\u5c11\uff0c\u4ee5\u53ca\u6545\u969c\u65f6\u901a\u77e5\u8c01\u3002\u8fd9\u91cc\u7684\u89c4\u5212\u8d8a\u624e\u5b9e\uff0c\u771f\u5b9e\u6545\u969c\u53d1\u751f\u65f6\u5c31\u8d8a\u4e0d\u5bb9\u6613\u51fa\u610f\u5916\u3002\u670d\u52a1\u5668\u51c6\u5907\u5b8c\u6bd5\u4e14\u7248\u672c\u4e00\u81f4\u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u5165\u590d\u5236\u914d\u7f6e\u9636\u6bb5\u3002<\/p>\n

\u914d\u7f6e MySQL \u4e3b\u4ece\u590d\u5236<\/h2>\n

\u8bbe\u7f6e\u4e3b\u5e93\u670d\u52a1\u5668<\/h3>\n

\u5148\u4ece\u4f60\u9009\u5b9a\u4e3a\u4e3b\u5e93\u7684\u90a3\u53f0\u673a\u5668\u5f00\u59cb\u3002\u5728 Ubuntu \u6216 Debian \u4e0a\uff0c\u6253\u5f00 \/etc\/mysql\/mysql.conf.d\/mysqld.cnf<\/code>\uff0c\u8bbe\u7f6e\u552f\u4e00\u7684\u670d\u52a1\u5668 ID\uff0c\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u540d\u79f0\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u53ef\u4ee5\u8ba9\u4e3b\u5e93\u8bb0\u5f55\u6bcf\u4e00\u6b21\u53d8\u66f4\uff0c\u5e76\u5c06\u5176\u63d0\u4f9b\u7ed9\u5404\u4e2a\u526f\u672c\u3002<\/p>\n

[mysqld]\r\nserver-id = 1\r\nlog_bin = mysql-bin\r\nbinlog_do_db = appdb<\/code><\/pre>\n
\u4fdd\u5b58\u6587\u4ef6\u540e\u91cd\u542f\u670d\u52a1\u3002\u63a5\u7740\uff0c\u521b\u5efa\u4e00\u4e2a\u4e13\u7528\u4e8e MySQL \u590d\u5236\u7684\u8d26\u6237\uff0c\u5e76\u6388\u4e88\u5b83 REPLICATION SLAVE \u6743\u9650\u3002\u77ed\u6682\u9501\u8868\u540e\uff0c\u8bfb\u53d6\u5f53\u524d\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4f4d\u7f6e\uff0c\u5e76\u8bb0\u5f55\u65e5\u5fd7\u6587\u4ef6\u540d\u548c\u504f\u79fb\u91cf\u3002\u8fd9\u4e2a\u4f4d\u7f6e\u5c31\u662f\u6bcf\u4e2a\u4ece\u5e93\u5f00\u59cb\u590d\u5236\u6570\u636e\u7684\u8d77\u70b9\u3002<\/p>\n
\u914d\u7f6e\u4ece\u5e93\u5e76\u542f\u52a8\u590d\u5236<\/h3>\n
\u5207\u6362\u5230\u4ece\u5e93\u4e3b\u673a\uff0c\u7f16\u8f91\u5b83\u81ea\u5df1\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u4e3a\u5176\u5206\u914d\u4e0d\u540c\u7684\u670d\u52a1\u5668 ID\uff0c\u7136\u540e\u91cd\u542f\u670d\u52a1\u3002\u63a5\u7740\u4f7f\u7528\u4f60\u521a\u624d\u8bb0\u5f55\u7684\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u7f6e\uff0c\u901a\u8fc7 CHANGE MASTER TO \u8bed\u53e5\u5c06\u4ece\u5e93\u6307\u5411\u4e3b\u5e93\u3002<\/p>\n
CHANGE MASTER TO\r\n  MASTER_HOST='192.0.2.10',\r\n  MASTER_USER='repl',\r\n  MASTER_PASSWORD='secret',\r\n  MASTER_LOG_FILE='mysql-bin.000001',\r\n  MASTER_LOG_POS=154;\r\nSTART SLAVE;<\/code><\/pre>\n
\u6267\u884c SHOW SLAVE STATUS\uff0c\u5e76\u786e\u8ba4 Slave_IO_Running \u548c Slave_SQL_Running \u90fd\u663e\u793a\u4e3a Yes\u3002\u82e5\u4f60\u9700\u8981\u914d\u7f6e\u4e00\u4e2a\u4e3b\u5e93\u540c\u65f6\u590d\u5236\u5230\u591a\u4e2a\u4ece\u5e93\uff0cOracle Utilities \u53ef\u4ee5\u81ea\u52a8\u5316\u8fd9\u4e00\u6b65\u3002\u901a\u8fc7\u5728\u4e3b\u5e93\u5199\u5165\u4e00\u6761\u8bb0\u5f55\u3001\u518d\u5230\u4ece\u5e93\u8bfb\u53d6\u8be5\u8bb0\u5f55\uff0c\u6d4b\u8bd5 MySQL \u590d\u5236\u662f\u5426\u6b63\u5e38\u3002\u968f\u540e\u5728\u4e24\u7aef\u6267\u884c\u6821\u9a8c\u548c\u6bd4\u5bf9\uff0c\u4ee5\u9a8c\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff0c\u786e\u4fdd\u590d\u5236\u94fe\u8def\u771f\u6b63\u53ef\u9760\u3002\u5230\u8fd9\u4e00\u6b65\uff0c\u4e00\u4e2a\u5065\u5eb7\u7684\u4ece\u5e93\u5c31\u5df2\u7ecf\u80fd\u591f\u955c\u50cf\u4e3b\u5e93\uff0c\u5e76\u51c6\u5907\u597d\u63a5\u5165\u6545\u969c\u5207\u6362\u5de5\u5177\u3002<\/p>\n
\u4e3a MySQL \u914d\u7f6e\u81ea\u52a8\u6545\u969c\u5207\u6362<\/h2>\n
\u73b0\u5728\uff0c\u4f60\u5df2\u7ecf\u8ba9 MySQL \u590d\u5236\u6b63\u5e38\u5de5\u4f5c\u3002\u4e0b\u4e00\u6b65\u5c31\u662f\u52a0\u5165\u4e00\u4e2a\u53ef\u4ee5\u5728\u4e3b\u5e93\u6545\u969c\u65f6\u81ea\u52a8\u63a5\u7ba1\u7684\u673a\u5236\u3002\u751f\u4ea7\u73af\u5883\u4e2d\u4e3b\u8981\u6709\u4e24\u79cd\u601d\u8def\uff1aKeepalived \u8d1f\u8d23\u5728\u4e3b\u673a\u4e4b\u95f4\u6f02\u79fb\u865a\u62df IP\uff1bMySQL Utilities \u548c InnoDB Cluster \u5219\u76f4\u63a5\u5c06\u4ece\u5e93\u63d0\u5347\u4e3a\u4e3b\u5e93\u3002\u4f60\u4e5f\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u6570\u636e\u5197\u4f59\u548c\u53ef\u9760\u6027\u3002<\/p>\n
\u4f7f\u7528 Keepalived \u548c\u865a\u62df IP<\/h3>\n
Keepalived \u8fd0\u884c\u5728\u4e24\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u5e76\u901a\u8fc7 VRRP \u5171\u4eab\u4e00\u4e2a\u6d6e\u52a8 IP \u5730\u5740\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u865a\u62df IP \u7531\u4e3b\u5e93\u6301\u6709\uff1b\u4e00\u65e6\u4e3b\u5e93\u53d1\u751f\u6545\u969c\uff0cKeepalived \u5c31\u4f1a\u5c06\u8be5 IP \u6f02\u79fb\u5230\u4ece\u5e93\u3002\u5e94\u7528\u7a0b\u5e8f\u59cb\u7ec8\u8fde\u63a5\u540c\u4e00\u4e2a\u5730\u5740\uff0c\u56e0\u6b64\u51e0\u4e4e\u611f\u77e5\u4e0d\u5230\u5207\u6362\u8fc7\u7a0b\u3002\u8fd9\u79cd\u8bbe\u8ba1\u5728\u5c3d\u91cf\u5c11\u6539\u52a8\u5e94\u7528\u67b6\u6784\u7684\u524d\u63d0\u4e0b\uff0c\u5b9e\u73b0\u4e86\u9ad8\u53ef\u7528\u3002<\/p>\n
Keepalived \u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e \/etc\/keepalived\/keepalived.conf<\/code>\u3002\u5728\u4e3b\u5e93\u4e0a\uff0c\u4f60\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u5065\u5eb7\u68c0\u67e5\u811a\u672c\u4ee5\u53ca\u4e00\u4e2a VRRP \u5b9e\u4f8b\u3002\u4e0b\u9762\u7684\u793a\u4f8b\u5c55\u793a\u4e86\u6765\u81ea\u5b9e\u9645\u90e8\u7f72\u7684\u8bed\u6cd5\u7ed3\u6784\u3002<\/p>\n
\u5c06\u8fd9\u4efd\u914d\u7f6e\u590d\u5236\u5230\u4ece\u5e93\uff0c\u5e76\u628a\u72b6\u6001\u6539\u6210 BACKUP<\/code>\uff0c\u540c\u65f6\u5c06\u4f18\u5148\u7ea7\u964d\u4f4e\u4e3a 101\u3002\u7136\u540e\u5728\u4e24\u53f0\u673a\u5668\u4e0a\u91cd\u542f keepalived \u670d\u52a1\u3002\u8be5\u670d\u52a1\u6bcf\u4e24\u79d2\u68c0\u67e5\u4e00\u6b21 MySQL \u72b6\u6001\u3002\u5f53\u4e3b\u5e93\u5b95\u673a\u540e\uff0c\u5065\u5eb7\u68c0\u67e5\u4f1a\u5931\u8d25\uff0c\u5907\u5e93\u4f1a\u5728\u51e0\u79d2\u5185\u63a5\u7ba1\u865a\u62df IP\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4f60\u65e0\u9700\u4fee\u6539\u5e94\u7528\u914d\u7f6e\uff0c\u4e5f\u80fd\u83b7\u5f97\u6545\u969c\u5207\u6362\u80fd\u529b\u3002<\/p>\n
\u4f7f\u7528 MySQL Utilities \u6216 InnoDB Cluster<\/h3>\n
MySQL Utilities \u63d0\u4f9b\u4e86\u4e24\u4e2a\u5904\u7406\u4e3b\u5e93\u6545\u969c\u5207\u6362\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002mysqlrpladmin<\/code> \u7528\u4e8e\u6267\u884c\u53d7\u63a7\u5207\u6362\uff0c\u800c mysqlfailover<\/code> \u5219\u4f1a\u6301\u7eed\u76d1\u63a7\u4e3b\u5e93\uff0c\u5e76\u5728\u4e3b\u5e93\u6545\u969c\u65f6\u81ea\u52a8\u89e6\u53d1\u6545\u969c\u5207\u6362\u3002<\/p>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c mysqlfailover --master=root@utils1:3306 --discover-slaves-login=root --rediscover<\/code> \u8fdb\u5165\u76d1\u63a7\u6a21\u5f0f\u3002\u5b83\u4f1a\u6bcf\u9694\u51e0\u79d2\u68c0\u67e5\u4e00\u6b21\u4e3b\u5e93\u72b6\u6001\u3002\u4e00\u65e6\u53d1\u73b0\u6545\u969c\uff0c\u5b83\u4f1a\u8bc6\u522b\u6700\u5408\u9002\u7684\u4ece\u5e93\u8fdb\u884c\u63d0\u5347\u3002\u8be5\u5de5\u5177\u8fd8\u4f1a\u5728\u63d0\u5347\u524d\u5c1d\u8bd5\u4ece\u5176\u4ed6\u4ece\u5e93\u8865\u9f50\u7f3a\u5931\u4e8b\u4ef6\u3002\u4f60\u4e5f\u53ef\u4ee5\u9650\u5236\u54ea\u4e9b\u4ece\u5e93\u6709\u8d44\u683c\u88ab\u63d0\u5347\uff0c\u6216\u8005\u914d\u7f6e\u81ea\u5b9a\u4e49\u7684\u6545\u969c\u5207\u6362\u524d\u540e\u811a\u672c\u3002<\/p>\n
MySQL InnoDB Cluster \u5219\u91c7\u7528\u4e86\u53e6\u4e00\u79cd\u601d\u8def\u3002\u5b83\u57fa\u4e8e Group Replication\uff0c\u800c Group Replication \u63d0\u4f9b\u7684\u662f\u540c\u6b65\u590d\u5236\u3002\u4e0b\u8868\u5bf9\u6bd4\u4e86 Group Replication \u4e0e\u4f20\u7edf\u5f02\u6b65\u4e3b\u4ece\u590d\u5236\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n
\n\n\n\n\n\n    <\/colgroup>\n\n\n\n\n\n
\n
\u5bf9\u6bd4\u9879<\/p>\n<\/th>\n
\n
MySQL Group Replication<\/p>\n<\/th>\n
\n
\u4f20\u7edf\u4e3b\u4ece\uff08\u5f02\u6b65\uff09\u590d\u5236<\/p>\n<\/th>\n<\/tr>\n
\n
\u6545\u969c\u5207\u6362\u901f\u5ea6<\/p>\n<\/td>\n
\n
\u81ea\u52a8\u6545\u969c\u5207\u6362\uff0c\u51e0\u4e4e\u53ef\u5b9e\u73b0\u96f6\u505c\u673a\uff1b\u901a\u8fc7\u6cd5\u5b9a\u591a\u6570\u673a\u5236\u9632\u6b62\u8111\u88c2<\/p>\n<\/td>\n
\n
\u9700\u8981\u4eba\u5de5\u6545\u969c\u5207\u6362\uff0c\u6216\u4f9d\u8d56\u5916\u90e8\u5de5\u5177\u4ecb\u5165\uff0c\u56e0\u6b64\u4f1a\u4ea7\u751f\u505c\u673a\uff1b\u96be\u4ee5\u6ee1\u8db3\u6700\u5c0f\u505c\u673a\u65f6\u95f4\u7684\u9ad8\u53ef\u7528\u8981\u6c42<\/p>\n<\/td>\n<\/tr>\n
\n
\u4e00\u81f4\u6027<\/p>\n<\/td>\n
\n
\u5355\u4e3b\u6a21\u5f0f\u4e0b\u53ef\u5b9e\u73b0\u96f6\u6570\u636e\u4e22\u5931\uff1b\u901a\u8fc7\u5171\u8bc6\u534f\u8bae\u8fdb\u884c\u540c\u6b65\u63d0\u4ea4<\/p>\n<\/td>\n
\n
\u5982\u679c\u4e3b\u5e93\u5728\u526f\u672c\u62c9\u53d6\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e8b\u4ef6\u524d\u5d29\u6e83\uff0c\u5c31\u5b58\u5728\u6570\u636e\u4e22\u5931\u98ce\u9669\uff1b\u590d\u5236\u5ef6\u8fdf\u8fd8\u4f1a\u5bfc\u81f4\u8bfb\u53d6\u65e7\u6570\u636e\uff0c\u5e76\u5728\u6545\u969c\u5207\u6362\u540e\u5e26\u6765\u6570\u636e\u4e0d\u4e00\u81f4<\/p>\n<\/td>\n<\/tr>\n
\n
\u6743\u8861\u70b9<\/p>\n<\/td>\n
\n
\u7531\u4e8e\u5171\u8bc6\u673a\u5236\uff0c\u5199\u5165\u5ef6\u8fdf\u66f4\u9ad8\uff1b\u90e8\u7f72\u66f4\u590d\u6742\uff0c\u5e76\u4e14\u66f4\u4f9d\u8d56\u7f51\u7edc\u8d28\u91cf<\/p>\n<\/td>\n
\n
\u5199\u5165\u5ef6\u8fdf\u8f83\u4f4e\uff0c\u4f46\u4e00\u81f4\u6027\u4fdd\u969c\u8f83\u5f31<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5982\u679c\u4f60\u9700\u8981\u5f3a\u4e00\u81f4\u6027\uff0c\u5e76\u4e14\u80fd\u591f\u63a5\u53d7\u66f4\u9ad8\u7684\u5199\u5165\u5ef6\u8fdf\uff0c\u90a3\u4e48\u8bf7\u9009\u62e9 Group Replication\u3002\u5982\u679c\u4f60\u66f4\u91cd\u89c6\u8f83\u7b80\u5355\u7684\u90e8\u7f72\u65b9\u5f0f\u548c\u8f83\u4f4e\u7684\u8fd0\u884c\u5f00\u9500\uff0c\u90a3\u4e48\u4f20\u7edf\u590d\u5236\u914d\u5408 Keepalived \u6216 MySQL Utilities \u4f1a\u66f4\u9002\u5408\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6848\uff0c\u90fd\u8981\u5f7b\u5e95\u6d4b\u8bd5\u6545\u969c\u5207\u6362\u914d\u7f6e\u3002\u6a21\u62df\u4e3b\u5e93\u5d29\u6e83\uff0c\u5e76\u9a8c\u8bc1\u865a\u62df IP \u662f\u5426\u53d1\u751f\u6f02\u79fb\u3001\u4ece\u5e93\u662f\u5426\u88ab\u6b63\u786e\u63d0\u5347\u3002<\/p>\n
\u6d4b\u8bd5\u6545\u969c\u5207\u6362\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n
\u6a21\u62df\u4e3b\u5e93\u6545\u969c<\/h3>\n
\u5728\u771f\u6b63\u53d1\u751f\u6545\u969c\u4e4b\u524d\uff0c\u4f60\u5fc5\u987b\u8bc1\u660e\u4f60\u7684\u914d\u7f6e\u786e\u5b9e\u53ef\u7528\u3002\u505c\u6b62\u4e3b\u5e93\u4e0a\u7684 MySQL \u670d\u52a1\uff0c\u5e76\u89c2\u5bdf\u7cfb\u7edf\u884c\u4e3a\u3002Keepalived \u4f1a\u901a\u8fc7\u5065\u5eb7\u68c0\u67e5\u811a\u672c\u68c0\u6d4b\u5230\u8fdb\u7a0b\u5931\u6548\uff0c\u5e76\u5728\u51e0\u79d2\u5185\u5c06\u865a\u62df IP \u6f02\u79fb\u5230\u4ece\u5e93\u3002\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u65e0\u9700\u4eba\u5de5\u5e72\u9884\uff0c\u5c31\u80fd\u91cd\u65b0\u8fde\u63a5\u5230\u65b0\u7684\u5730\u5740\u3002<\/p>\n
\u6700\u597d\u5728\u7ef4\u62a4\u7a97\u53e3\u671f\u95f4\u6267\u884c\u8fd9\u7c7b\u6f14\u7ec3\u3002\u786e\u8ba4\u4ece\u5e93\u5df2\u7ecf\u88ab\u63d0\u5347\u4e3a\u4e3b\u5e93\uff0c\u5e76\u4e14\u80fd\u591f\u6b63\u5e38\u63a5\u53d7\u5199\u5165\u3002\u540c\u65f6\u68c0\u67e5\u65e7\u4e3b\u5e93\u6062\u590d\u540e\uff0c\u662f\u5426\u80fd\u91cd\u65b0\u4ee5\u526f\u672c\u8eab\u4efd\u52a0\u5165\u96c6\u7fa4\u3002Keepalived \u8d1f\u8d23\u5904\u7406 IP \u6f02\u79fb\uff0c\u4f46\u4f60\u7684\u63d0\u5347\u811a\u672c\u4ecd\u7136\u9700\u8981\u5728\u65b0\u4e3b\u5e93\u4e0a\u91cd\u7f6e\u590d\u5236\u5173\u7cfb\u3002\u6545\u969c\u5207\u6362\u5b8c\u6210\u540e\uff0c\u8fd8\u8981\u9a8c\u8bc1\u590d\u5236\u5065\u5eb7\u76d1\u63a7\u5de5\u5177\u662f\u5426\u663e\u793a\u72b6\u6001\u6b63\u5e38\u3002<\/p>\n
\u907f\u514d\u8111\u88c2\u4e0e\u6570\u636e\u4e22\u5931<\/h3>\n
\u8111\u88c2\u6307\u7684\u662f\u4e24\u4e2a\u8282\u70b9\u90fd\u8ba4\u4e3a\u81ea\u5df1\u662f\u4e3b\u5e93\uff0c\u5e76\u540c\u65f6\u63a5\u53d7\u5199\u5165\uff0c\u6700\u7ec8\u5bfc\u81f4\u6570\u636e\u5206\u53c9\u3002MySQL InnoDB Cluster \u901a\u8fc7\u6cd5\u5b9a\u591a\u6570\u673a\u5236\u6765\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u3002\u53ea\u6709\u5f53\u5927\u591a\u6570\u8282\u70b9\u90fd\u786e\u8ba4\u540e\uff0c\u5199\u64cd\u4f5c\u624d\u4f1a\u63d0\u4ea4\u3002\u8fd9\u79cd\u57fa\u4e8e Paxos \u7684\u5171\u8bc6\u673a\u5236\uff0c\u6b63\u662f\u5b83\u5728\u7f51\u7edc\u5206\u533a\u573a\u666f\u4e0b\u9632\u6b62\u8111\u88c2\u7684\u6838\u5fc3\u539f\u7406\u3002<\/p>\n
\n\n\n\n\n\n    <\/colgroup>\n\n\n\n\n\n\n
\n
\u96c6\u7fa4\u89c4\u6a21<\/p>\n<\/th>\n
\n
\u6240\u9700\u6cd5\u5b9a\u591a\u6570<\/p>\n<\/th>\n
\n
\u53ef\u5bb9\u5fcd\u8282\u70b9\u6545\u969c\u6570<\/p>\n<\/th>\n<\/tr>\n
\n
1 \u4e2a\u8282\u70b9<\/p>\n<\/td>\n
\n
1<\/p>\n<\/td>\n
\n
0<\/p>\n<\/td>\n<\/tr>\n
\n
3 \u4e2a\u8282\u70b9\uff08\u63a8\u8350\uff09<\/p>\n<\/td>\n
\n
2<\/p>\n<\/td>\n
\n
1<\/p>\n<\/td>\n<\/tr>\n
\n
5 \u4e2a\u8282\u70b9<\/p>\n<\/td>\n
\n
3<\/p>\n<\/td>\n
\n
2<\/p>\n<\/td>\n<\/tr>\n
\n
7 \u4e2a\u8282\u70b9<\/p>\n<\/td>\n
\n
4<\/p>\n<\/td>\n
\n
3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5076\u6570\u8282\u70b9\u96c6\u7fa4\u5e76\u4e0d\u5b89\u5168\u3002\u82e5\u53d1\u751f 50\/50 \u5206\u88c2\uff0c\u4efb\u4f55\u4e00\u4fa7\u90fd\u65e0\u6cd5\u83b7\u5f97\u591a\u6570\uff0c\u56e0\u6b64\u53cc\u65b9\u90fd\u4f1a\u62d2\u7edd\u5199\u5165\u3002\u8fd9\u79cd\u505a\u6cd5\u727a\u7272\u4e86\u4e00\u90e8\u5206\u53ef\u7528\u6027\uff0c\u4f46\u6362\u6765\u4e86\u6570\u636e\u4e00\u81f4\u6027\u4fdd\u62a4\u3002<\/p>\n
\u8bf7\u9075\u5faa\u4ee5\u4e0b\u89c4\u5219\u6765\u4fdd\u62a4\u4f60\u7684\u6570\u636e\uff1a\u5148\u786e\u8ba4\u4e3b\u5e93\u786e\u5b9e\u5df2\u7ecf\u5931\u6548\uff0c\u518d\u6267\u884c\u6545\u969c\u5207\u6362\uff1b\u4e00\u6b21\u6545\u969c\u53ea\u5207\u6362\u4e00\u6b21\uff0c\u7edd\u4e0d\u8981\u63d0\u5347\u4e00\u4e2a\u4e0d\u4e00\u81f4\u7684\u4ece\u5e93\uff1b\u6240\u6709\u5199\u5165\u90fd\u5fc5\u987b\u53ea\u53d1\u9001\u5230\u4e3b\u5e93\uff1b\u6545\u969c\u5207\u6362\u5b8c\u6210\u540e\uff0c\u53ca\u65f6\u66f4\u65b0\u5e94\u7528\u914d\u7f6e\uff0c\u4f7f\u5176\u6307\u5411\u65b0\u7684\u4e3b\u5e93\uff1b\u5e76\u4e14\u4e00\u5b9a\u8981\u5148\u5728\u9884\u53d1\u5e03\u6216\u6d4b\u8bd5\u73af\u5883\u4e2d\u9a8c\u8bc1\u914d\u7f6e\u3002<\/p>\n
\n
<\/div>\n<\/div>\n
\u81ea\u52a8\u6545\u969c\u5207\u6362\u5efa\u7acb\u5728\u4e09\u4e2a\u652f\u67f1\u4e4b\u4e0a\uff1a\u53ef\u7528\u7684\u590d\u5236\u94fe\u8def\u3001\u53ef\u9760\u7684\u6545\u969c\u5207\u6362\u5de5\u5177\uff0c\u4ee5\u53ca\u53cd\u590d\u7684\u6d4b\u8bd5\u6f14\u7ec3\u3002\u5e94\u6839\u636e\u4f60\u7684\u62d3\u6251\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u3002Keepalived \u9002\u5408\u7b80\u5355\u7684\u865a\u62df IP \u6545\u969c\u5207\u6362\uff0c\u800c MySQL Utilities \u6216 InnoDB Cluster \u66f4\u9002\u5408\u5177\u5907\u62d3\u6251\u611f\u77e5\u80fd\u529b\u7684\u4e3b\u5e93\u63d0\u5347\u573a\u666f\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u4f60\u5e94\u8be5\u52a0\u5165\u76d1\u63a7\u3001\u5b9a\u671f\u5b89\u6392\u6545\u969c\u5207\u6362\u6f14\u7ec3\uff0c\u5e76\u5728\u6bcf\u6b21\u6d4b\u8bd5\u540e\u590d\u67e5 MySQL \u65e5\u5fd7\u3002\u6bcf\u4e00\u6b21\u6f14\u7ec3\u90fd\u5e94\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u5b8c\u6210\uff0c\u518d\u63a8\u5e7f\u5230\u751f\u4ea7\u73af\u5883\u3002\u8fd9\u6837\u7684\u4e60\u60ef\u80fd\u66f4\u597d\u5730\u4fdd\u62a4\u6570\u636e\uff0c\u5e76\u7ef4\u6301\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n
\u5e38\u89c1\u95ee\u9898<\/h2>\n
\u81ea\u52a8\u6545\u969c\u5207\u6362\u4e00\u822c\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n
Keepalived \u6bcf\u4e24\u79d2\u68c0\u67e5\u4e00\u6b21\u4e3b\u5e93\u72b6\u6001\uff0c\u4e00\u65e6\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\uff0c\u5c31\u4f1a\u6f02\u79fb\u865a\u62df IP\uff0c\u56e0\u6b64\u5207\u6362\u901a\u5e38\u4f1a\u5728\u6570\u79d2\u5185\u5b8c\u6210\u3002MySQL Utilities \u548c InnoDB Cluster \u63d0\u5347\u65b0\u4e3b\u5e93\u7684\u8017\u65f6\u4e5f\u5927\u81f4\u76f8\u4f3c\u3002\u5b9e\u9645\u6240\u9700\u65f6\u95f4\u4ecd\u53d6\u51b3\u4e8e\u4f60\u7684\u76d1\u63a7\u95f4\u9694\u548c\u7f51\u7edc\u72b6\u51b5\u3002<\/p>\n
\u6ca1\u6709\u865a\u62df IP \u4e5f\u80fd\u5b9e\u73b0\u6545\u969c\u5207\u6362\u5417\uff1f<\/h3>\n
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\u5148\u4ece\u4f60\u9009\u5b9a\u4e3a\u4e3b\u5e93\u7684\u90a3\u53f0\u673a\u5668\u5f00\u59cb\u3002\u5728 Ubuntu \u6216 Debian \u4e0a\uff0c\u6253\u5f00 \/etc\/mysql\/mysql.conf.d\/mysqld.cnf\uff0c\u8bbe\u7f6e\u552f\u4e00\u7684\u670d\u52a1\u5668 ID\uff0c\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u540d\u79f0\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u53ef\u4ee5\u8ba9\u4e3b\u5e93\u8bb0\u5f55\u6bcf\u4e00\u6b21\u53d8\u66f4\uff0c\u5e76\u5c06\u5176\u63d0\u4f9b\u7ed9\u5404\u4e2a\u526f\u672c\u3002 [mysqld] server-id […]<\/p>\n
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