{"id":94757,"date":"2026-08-15T07:49:00","date_gmt":"2026-08-14T23:49:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/94757.html"},"modified":"2026-08-15T07:49:00","modified_gmt":"2026-08-14T23:49:00","slug":"%e5%bd%bb%e5%ba%95%e8%a7%a3%e5%86%b3%e6%95%b0%e6%8d%ae%e5%ba%93%e5%8d%95%e7%82%b9%e6%95%85%e9%9a%9c%ef%bc%81keepalivedlvsdrmariadb%e4%b8%bb%e4%b8%bb%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/94757.html","title":{"rendered":"\u5f7b\u5e95\u89e3\u51b3\u6570\u636e\u5e93\u5355\u70b9\u6545\u969c\uff01Keepalived+LVS(DR)+MariaDB\u4e3b\u4e3b\u9ad8\u53ef\u7528\u67b6\u6784\u5b9e\u6218"},"content":{"rendered":"

\u5f7b\u5e95\u89e3\u51b3\u6570\u636e\u5e93\u5355\u70b9\u6545\u969c！Keepalived+LVS(DR)+MariaDB\u4e3b\u4e3b\u9ad8\u53ef\u7528\u67b6\u6784\u5b9e\u6218<\/h2>\n

\u4e00\u3001\u9879\u76ee\u80cc\u666f<\/h2>\n

1.1 \u4e1a\u52a1\u573a\u666f\u4e0e\u6570\u636e\u5e93\u6838\u5fc3\u8bc9\u6c42<\/h3>\n

\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d，\u6570\u636e\u5e93\u4f5c\u4e3a\u4e1a\u52a1\u6570\u636e\u7684\u201c\u6838\u5fc3\u8f7d\u4f53\u201d，\u5176\u9ad8\u53ef\u7528\u6027\u3001\u8bfb\u5199\u6027\u80fd\u3001\u6570\u636e\u4e00\u81f4\u6027\u76f4\u63a5\u51b3\u5b9a\u4e1a\u52a1\u80fd\u5426\u7a33\u5b9a\u8fd0\u884c\u3002\u65e0\u8bba\u662f\u7535\u5546\u4ea4\u6613\u7cfb\u7edf（\u8ba2\u5355\u751f\u6210\u3001\u5e93\u5b58\u6263\u51cf）\u3001\u91d1\u878d\u652f\u4ed8\u5e73\u53f0（\u4ea4\u6613\u5bf9\u8d26\u3001\u8d44\u91d1\u6d41\u8f6c），\u8fd8\u662f\u653f\u52a1\u7ba1\u7406\u7cfb\u7edf（\u6570\u636e\u4e0a\u62a5\u3001\u4e1a\u52a1\u5ba1\u6279），\u5747\u5bf9\u6570\u636e\u5e93\u63d0\u51fa\u4ee5\u4e0b\u521a\u6027\u9700\u6c42：<\/p>\n

（1）\u65e0\u95f4\u65ad\u670d\u52a1（\u9ad8\u53ef\u7528）<\/h4>\n

\u6570\u636e\u5e93\u9700\u5b9e\u73b024\u00d77\u5c0f\u65f6\u4e0d\u95f4\u65ad\u8fd0\u884c，\u907f\u514d\u56e0\u5355\u70b9\u6545\u969c（\u5982\u6570\u636e\u5e93\u670d\u52a1\u5668\u5b95\u673a\u3001\u78c1\u76d8\u635f\u574f\u3001\u7f51\u7edc\u4e2d\u65ad）\u5bfc\u81f4\u4e1a\u52a1\u4e2d\u65ad\u3002\u4f8b\u5982：\u7535\u5546\u5e73\u53f0\u79d2\u6740\u6d3b\u52a8\u4e2d，\u82e5\u6570\u636e\u5e93\u4e0d\u53ef\u7528，\u5c06\u76f4\u63a5\u5bfc\u81f4\u8ba2\u5355\u65e0\u6cd5\u751f\u6210，\u6bcf\u4e2d\u65ad1\u5206\u949f\u53ef\u80fd\u9020\u6210\u6570\u4e07\u5143\u8425\u6536\u635f\u5931；\u91d1\u878d\u7cfb\u7edf\u4e2d，\u6570\u636e\u5e93\u6545\u969c\u53ef\u80fd\u5f15\u53d1\u4ea4\u6613\u5bf9\u8d26\u5f02\u5e38，\u751a\u81f3\u89e6\u53d1\u5408\u89c4\u98ce\u9669\u3002<\/p>\n

（2）\u9ad8\u5e76\u53d1\u627f\u8f7d（\u8bfb\u5199\u6027\u80fd）<\/h4>\n

\u968f\u7740\u7528\u6237\u89c4\u6a21\u589e\u957f，\u6570\u636e\u5e93\u9762\u4e34\u7684\u8bfb\u5199\u8bf7\u6c42\u5448\u6307\u6570\u7ea7\u4e0a\u5347（\u5982\u65e5\u5747SQL\u6267\u884c\u91cf\u4ece100\u4e07\u6b21\u589e\u81f31\u4ebf\u6b21）\u3002\u5355\u53f0\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684CPU\u3001\u5185\u5b58\u3001IO\u80fd\u529b\u6613\u6210\u4e3a\u74f6\u9888：\u8bfb\u8bf7\u6c42\u8fc7\u591a\u4f1a\u5bfc\u81f4\u67e5\u8be2\u5ef6\u8fdf（\u5982\u7528\u6237\u67e5\u8be2\u8ba2\u5355\u5217\u8868\u8d85\u65f6），\u5199\u8bf7\u6c42\u96c6\u4e2d\u4f1a\u9020\u6210\u4e8b\u52a1\u963b\u585e（\u5982\u591a\u7528\u6237\u540c\u65f6\u63d0\u4ea4\u8ba2\u5355\u5bfc\u81f4\u5e93\u5b58\u66f4\u65b0\u6392\u961f）\u3002<\/p>\n

（3）\u6570\u636e\u96f6\u4e22\u5931（\u53ef\u9760\u6027）<\/h4>\n

\u4e1a\u52a1\u6570\u636e\u9700\u5177\u5907\u201c\u6297\u4e22\u5931\u201d\u80fd\u529b，\u5373\u4f7f\u906d\u9047\u786c\u4ef6\u6545\u969c\u6216\u8f6f\u4ef6\u5f02\u5e38，\u4e5f\u9700\u4fdd\u8bc1\u6570\u636e\u4e0d\u635f\u574f\u3001\u4e0d\u4e22\u5931\u3002\u4f8b\u5982：\u7528\u6237\u5145\u503c\u8bb0\u5f55\u3001\u8ba2\u5355\u4fe1\u606f\u82e5\u56e0\u6570\u636e\u5e93\u6545\u969c\u4e22\u5931，\u5c06\u76f4\u63a5\u5f15\u53d1\u7528\u6237\u6295\u8bc9\u4e0e\u4fe1\u4efb\u5371\u673a；\u540c\u65f6，\u591a\u8282\u70b9\u95f4\u7684\u6570\u636e\u9700\u5b9e\u65f6\u540c\u6b65，\u907f\u514d\u51fa\u73b0\u201c\u4e3b\u5e93\u6570\u636e\u5df2\u66f4\u65b0，\u4ece\u5e93\u4ecd\u5c55\u793a\u65e7\u6570\u636e\u201d\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n

（4）\u7075\u6d3b\u6269\u5c55（\u53ef\u6269\u5c55\u6027）<\/h4>\n

\u4e1a\u52a1\u589e\u957f\u8fc7\u7a0b\u4e2d，\u9700\u652f\u6301\u201c\u6309\u9700\u6269\u5c55\u201d\u6570\u636e\u5e93\u80fd\u529b：\u8bfb\u538b\u529b\u589e\u5927\u65f6\u53ef\u5feb\u901f\u65b0\u589e\u8bfb\u8282\u70b9，\u5199\u538b\u529b\u4e0a\u5347\u65f6\u53ef\u4f18\u5316\u5199\u5206\u53d1\u7b56\u7565，\u907f\u514d\u56e0\u67b6\u6784\u50f5\u5316\u5bfc\u81f4\u201c\u4e1a\u52a1\u5012\u903c\u91cd\u6784\u201d\u7684\u88ab\u52a8\u5c40\u9762\u3002<\/p>\n

1.2 \u4f20\u7edf\u6570\u636e\u5e93\u67b6\u6784\u7684\u75db\u70b9\u4e0e\u5c40\u9650<\/h3>\n

\u5728\u91c7\u7528\u300aKeepalived + LVS（DR）+ MariaDB \u4e3b\u4e3b\u300b\u65b9\u6848\u524d，\u591a\u6570\u4f01\u4e1a\u66fe\u4f7f\u7528\u201c\u5355\u8282\u70b9\u6570\u636e\u5e93\u201d\u6216\u201c\u7b80\u5355\u4e3b\u4ece\u67b6\u6784\u201d，\u4f46\u9762\u4e34\u4ee5\u4e0b\u96be\u4ee5\u7a81\u7834\u7684\u74f6\u9888：<\/p>\n

（1）\u5355\u8282\u70b9\u6570\u636e\u5e93：\u5355\u70b9\u6545\u969c\u98ce\u9669\u81f4\u547d<\/h4>\n

\u95ee\u9898\u6838\u5fc3：\u6570\u636e\u5e93\u4ec5\u90e8\u7f72\u5728\u4e00\u53f0\u670d\u52a1\u5668\u4e0a，\u4e00\u65e6\u670d\u52a1\u5668\u786c\u4ef6\u6545\u969c（\u5982\u7535\u6e90\u635f\u574f\u3001\u78c1\u76d8\u574f\u9053）\u6216\u8f6f\u4ef6\u5d29\u6e83（\u5982MariaDB\u8fdb\u7a0b\u5f02\u5e38\u9000\u51fa），\u5c06\u5bfc\u81f4\u5168\u91cf\u4e1a\u52a1\u4e2d\u65ad\u3002<\/p>\n

\u6062\u590d\u6548\u7387\u4f4e：\u4f9d\u8d56\u4eba\u5de5\u5e72\u9884\u6062\u590d（\u5982\u66f4\u6362\u670d\u52a1\u5668\u3001\u91cd\u5efa\u6570\u636e\u5e93\u3001\u6062\u590d\u5907\u4efd），\u5e73\u5747\u6062\u590d\u65f6\u95f4（MTTR）\u901a\u5e38\u8d85\u8fc730\u5206\u949f，\u8fdc\u65e0\u6cd5\u6ee1\u8db3\u201c\u79d2\u7ea7\u5207\u6362\u201d\u7684\u4e1a\u52a1\u9700\u6c42；\u82e5\u5907\u4efd\u6570\u636e\u4e0d\u5b8c\u6574，\u8fd8\u53ef\u80fd\u5bfc\u81f4\u90e8\u5206\u4e1a\u52a1\u6570\u636e\u6c38\u4e45\u4e22\u5931\u3002<\/p>\n

（2）\u7b80\u5355\u4e3b\u4ece\u67b6\u6784（\u4e00\u4e3b\u4e00\u4ece）：\u8bfb\u5199\u74f6\u9888\u4e0e\u5207\u6362\u7f3a\u9677<\/h4>\n

\u8bfb\u6027\u80fd\u5c40\u9650：\u867d\u7136\u901a\u8fc7\u201c\u4e3b\u5e93\u5199\u3001\u4ece\u5e93\u8bfb\u201d\u5206\u644a\u8bfb\u538b\u529b，\u4f46\u4ece\u5e93\u4ec5\u80fd\u6269\u5c55\u8bfb\u80fd\u529b，\u65e0\u6cd5\u7f13\u89e3\u4e3b\u5e93\u7684\u5199\u538b\u529b（\u5982\u5927\u91cf\u8ba2\u5355\u5199\u5165\u4ecd\u96c6\u4e2d\u5728\u4e3b\u5e93）；\u4e14\u4ece\u5e93\u6570\u91cf\u589e\u591a\u65f6，\u7f3a\u4e4f\u7edf\u4e00\u7684\u8bfb\u8bf7\u6c42\u5206\u53d1\u673a\u5236，\u6613\u5bfc\u81f4\u90e8\u5206\u4ece\u5e93\u8fc7\u8f7d（\u5982\u67d0\u53f0\u4ece\u5e93\u627f\u62c580%\u8bfb\u8bf7\u6c42）\u3001\u90e8\u5206\u4ece\u5e93\u7a7a\u95f2\u3002<\/p>\n

\u9ad8\u53ef\u7528\u7f3a\u9677：\u4e3b\u5e93\u6545\u969c\u65f6，\u9700\u624b\u52a8\u5c06\u4ece\u5e93\u63d0\u5347\u4e3a\u65b0\u4e3b\u5e93，\u518d\u4fee\u6539\u4e1a\u52a1\u7cfb\u7edf\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5730\u5740，\u5207\u6362\u8fc7\u7a0b\u8017\u65f6\u4e14\u6613\u51fa\u9519（\u5982\u5fd8\u8bb0\u540c\u6b65\u4ece\u5e93\u672a\u5e94\u7528\u7684binlog\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4）；\u540c\u65f6，\u4ece\u5e93\u4ec5\u4f5c\u4e3a\u201c\u5907\u7528\u8282\u70b9\u201d，\u5199\u8bf7\u6c42\u59cb\u7ec8\u4f9d\u8d56\u4e3b\u5e93，\u4e3b\u5e93\u5199\u74f6\u9888\u65e0\u6cd5\u7a81\u7834\u3002<\/p>\n

（3）\u65e0\u8d1f\u8f7d\u5747\u8861：\u8bf7\u6c42\u5206\u53d1\u6df7\u4e71<\/h4>\n

\u90e8\u5206\u4f01\u4e1a\u5c1d\u8bd5\u7528\u201c\u4e1a\u52a1\u5c42\u786c\u7f16\u7801\u8fde\u63a5\u5730\u5740\u201d\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb（\u5982\u8bfb\u8bf7\u6c42\u8fde\u4ece\u5e93IP，\u5199\u8bf7\u6c42\u8fde\u4e3b\u5e93IP），\u4f46\u5b58\u5728\u4e24\u5927\u95ee\u9898：<\/p>\n

\u2460 \u7f3a\u4e4f\u6545\u969c\u68c0\u6d4b\u673a\u5236：\u82e5\u67d0\u53f0\u4ece\u5e93\u5b95\u673a，\u4e1a\u52a1\u5c42\u65e0\u6cd5\u5b9e\u65f6\u611f\u77e5，\u4ecd\u4f1a\u5c06\u8bfb\u8bf7\u6c42\u5206\u53d1\u81f3\u6545\u969c\u8282\u70b9，\u5bfc\u81f4\u90e8\u5206\u8bfb\u4e1a\u52a1\u5931\u8d25；<\/p>\n

\u2461 \u6269\u5c55\u6027\u5dee：\u65b0\u589e\u8bfb\u8282\u70b9\u65f6，\u9700\u4fee\u6539\u4e1a\u52a1\u4ee3\u7801\u4e2d\u7684\u8fde\u63a5\u5730\u5740\u5217\u8868，\u91cd\u542f\u670d\u52a1\u624d\u80fd\u751f\u6548，\u4e0d\u7b26\u5408\u201c\u65e0\u611f\u77e5\u6269\u5c55\u201d\u7684\u8fd0\u7ef4\u9700\u6c42\u3002<\/p>\n

（4）\u6570\u636e\u540c\u6b65\u4e0e\u4e00\u81f4\u6027\u98ce\u9669<\/h4>\n

\u4f20\u7edf\u4e3b\u4ece\u67b6\u6784\u4f9d\u8d56MariaDB\u539f\u751f\u7684binlog\u540c\u6b65，\u82e5\u7f51\u7edc\u5ef6\u8fdf\u6216\u4e3b\u5e93binlog\u4e22\u5931，\u4f1a\u5bfc\u81f4\u4ece\u5e93\u6570\u636e\u6ede\u540e\u6216\u540c\u6b65\u5931\u8d25；\u4e14\u4e3b\u5e93\u6545\u969c\u65f6，\u82e5\u4ece\u5e93\u672a\u5b8c\u5168\u540c\u6b65\u4e3b\u5e93\u6570\u636e，\u5f3a\u5236\u5207\u6362\u4f1a\u9020\u6210\u201c\u6570\u636e\u65ad\u5c42\u201d（\u5982\u4e3b\u5e93\u5df2\u63d0\u4ea4\u7684\u8ba2\u5355，\u4ece\u5e93\u672a\u8bb0\u5f55）\u3002<\/p>\n

1.3 \u6280\u672f\u65b9\u6848\u9009\u578b\u903b\u8f91<\/h3>\n

\u9488\u5bf9\u4e0a\u8ff0\u4f20\u7edf\u67b6\u6784\u75db\u70b9，\u672c\u6b21\u91c7\u7528 Keepalived + LVS(DR) + MariaDB\u4e3b\u4e3b \u4f01\u4e1a\u7ea7\u9ad8\u53ef\u7528\u7ec4\u5408，\u5404\u7ec4\u4ef6\u5206\u5de5\u660e\u786e\u3001\u4e92\u8865\u9002\u914d，\u5f7b\u5e95\u89e3\u51b3\u5355\u70b9\u6545\u969c\u3001\u8bfb\u5199\u74f6\u9888\u3001\u6570\u636e\u4e0d\u4e00\u81f4\u3001\u6269\u5bb9\u56f0\u96be\u7b49\u95ee\u9898\u3002<\/p>\n

（1）MariaDB \u4e3b\u4e3b\u53cc\u6d3b\u67b6\u6784<\/h4>\n

\u6452\u5f03\u4f20\u7edf\u201c\u5355\u4e3b\u5199\u3001\u591a\u4ece\u8bfb\u201d\u67b6\u6784，\u91c7\u7528\u53cc\u8282\u70b9\u53cc\u5411\u4e92\u4e3a\u4e3b\u4ece，\u4e24\u53f0\u6570\u636e\u5e93\u5747\u652f\u6301\u8bfb\u5199\u63a5\u5165\u3002\u4e00\u65b9\u9762\u7a81\u7834\u5355\u4e3b\u5199\u5165\u6027\u80fd\u74f6\u9888，\u5199\u5e76\u53d1\u80fd\u529b\u7ffb\u500d；\u53e6\u4e00\u65b9\u9762\u53cc\u8282\u70b9\u5b9e\u65f6binlog\u53cc\u5411\u540c\u6b65，\u4efb\u610f\u8282\u70b9\u5b95\u673a\u5747\u65e0\u6570\u636e\u4e22\u5931，\u5929\u7136\u5b9e\u73b0\u6570\u636e\u5e93\u5c42\u53cc\u6d3b\u5bb9\u707e\u3002<\/p>\n

（2）LVS-DR \u56db\u5c42\u8d1f\u8f7d\u5747\u8861<\/h4>\n

LVS\u5de5\u4f5c\u5728\u56db\u5c42\u4f20\u8f93\u5c42，\u57fa\u4e8eIP+\u7aef\u53e3\u8f6c\u53d1\u8bf7\u6c42，\u8f6c\u53d1\u6027\u80fd\u3001\u5e76\u53d1\u627f\u8f7d\u80fd\u529b\u8fdc\u8d85Nginx\u7b49\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861，\u5355\u673a\u53ef\u652f\u649110\u4e07+\u5e76\u53d1\u8fde\u63a5\u3002DR\u76f4\u63a5\u8def\u7531\u6a21\u5f0f\u6838\u5fc3\u4f18\u52bf：\u8bf7\u6c42\u7ecf\u8fc7LVS\u8c03\u5ea6\u8f6c\u53d1，\u540e\u7aef\u6570\u636e\u5e93\u54cd\u5e94\u6d41\u91cf\u76f4\u63a5\u56de\u5305\u5ba2\u6237\u7aef，\u4e0d\u7ecf\u8fc7LVS\u56de\u7a0b，\u65e0\u5e26\u5bbd\u74f6\u9888，\u8f6c\u53d1\u6548\u7387\u63a5\u8fd1\u7269\u7406\u76f4\u8fde\u3002\u540c\u65f6\u81ea\u5e26\u5b9e\u65f6\u8282\u70b9\u5065\u5eb7\u68c0\u67e5，\u81ea\u52a8\u5254\u9664\u6545\u969c\u6570\u636e\u5e93\u8282\u70b9\u3002<\/p>\n

（3）Keepalived \u9ad8\u53ef\u7528\u8c03\u5ea6<\/h4>\n

\u89e3\u51b3LVS\u8c03\u5ea6\u5668\u81ea\u8eab\u5355\u70b9\u6545\u969c\u95ee\u9898，\u57fa\u4e8eVRRP\u534f\u8bae\u5b9e\u73b0LVS\u4e3b\u5907\u8282\u70b9\u79d2\u7ea7\u6545\u969c\u8f6c\u79fb\u3002\u4e3b\u8282\u70b9\u6545\u969c\u540e，\u5907\u8282\u70b91-3\u79d2\u81ea\u52a8\u63a5\u7ba1VIP\u865a\u62dfIP，\u4e1a\u52a1\u65e0\u611f\u77e5\u3001\u65e0\u9700\u4eba\u5de5\u5e72\u9884，\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u5c42100%\u9ad8\u53ef\u7528\u3002<\/p>\n

1.4 \u9879\u76ee\u4ef7\u503c\u4e0e\u9884\u671f\u76ee\u6807<\/h3>\n

\u901a\u8fc7\u6574\u5957\u67b6\u6784\u843d\u5730，\u5b9e\u73b0\u6280\u672f\u3001\u8fd0\u7ef4\u3001\u4e1a\u52a1\u5168\u65b9\u4f4d\u5347\u7ea7：<\/p>\n

1. \u9ad8\u53ef\u7528\u5347\u7ea7：\u6570\u636e\u5e93\u670d\u52a1\u53ef\u7528\u6027\u4ece99.9%\u63d0\u5347\u81f399.99%，\u5e74\u5747\u6545\u969c\u4e2d\u65ad\u65f6\u95f4\u5927\u5e45\u7f29\u51cf，\u6838\u5fc3\u4e1a\u52a1\u5b9e\u73b0\u79d2\u7ea7\u5bb9\u707e；<\/p>\n

2. \u6027\u80fd\u5927\u5e45\u63d0\u5347：\u7a81\u7834\u5355\u4e3b\u5199\u5165\u74f6\u9888，\u53cc\u4e3b\u5199TPS\u7ffb\u500d，\u8bfb\u8282\u70b9\u53ef\u65e0\u9650\u6a2a\u5411\u6269\u5bb9，SQL\u67e5\u8be2\u54cd\u5e94\u5ef6\u8fdf\u5927\u5e45\u964d\u4f4e；<\/p>\n

3. \u6570\u636e\u5b89\u5168\u53ef\u9760：\u53cc\u4e3b\u53cc\u5411\u5b9e\u65f6\u540c\u6b65，\u89c4\u907f\u6570\u636e\u65ad\u5c42\u3001\u6570\u636e\u4e22\u5931\u95ee\u9898，\u6545\u969c\u81ea\u52a8\u8f6c\u79fb，\u5168\u7a0b\u81ea\u52a8\u5316\u5bb9\u707e；<\/p>\n

4. \u8fd0\u7ef4\u6781\u7b80\u9ad8\u6548：\u65b0\u589e\u6570\u636e\u5e93\u8282\u70b9\u4ec5\u9700\u63a5\u5165LVS\u96c6\u7fa4，\u65e0\u9700\u4fee\u6539\u4e1a\u52a1\u4ee3\u7801\u3001\u65e0\u9700\u91cd\u542f\u4e1a\u52a1\u670d\u52a1，\u5b9e\u73b0\u65e0\u611f\u6269\u5bb9\u3002<\/p>\n

\u4e8c\u3001MariaDB \u4e3b\u4ece\/\u4e3b\u4e3b\u540c\u6b65\u6838\u5fc3\u539f\u7406<\/h2>\n

2.1 \u6838\u5fc3\u7ec4\u4ef6\u8bf4\u660e<\/h3>\n

MariaDB\u4e3b\u4ece\u590d\u5236\u57fa\u4e8ebinlog\u65e5\u5fd7\u5b9e\u73b0，\u6838\u5fc3\u4f9d\u8d56\u65e5\u5fd7\u6587\u4ef6\u4e0e\u4e13\u5c5e\u540c\u6b65\u7ebf\u7a0b：<\/p>\n

1. binlog（\u4e3b\u5e93\u4e8c\u8fdb\u5236\u65e5\u5fd7）：\u6570\u636e\u5e93\u6838\u5fc3\u65e5\u5fd7，\u8bb0\u5f55\u6240\u6709\u589e\u5220\u6539\u3001\u8868\u7ed3\u6784\u53d8\u66f4\u7b49\u6570\u636e\u53d8\u66f4\u64cd\u4f5c，\u662f\u6570\u636e\u540c\u6b65\u7684\u552f\u4e00\u6570\u636e\u6e90；<\/p>\n

2. relay log（\u4ece\u5e93\u4e2d\u7ee7\u65e5\u5fd7）：\u4ece\u5e93\u672c\u5730\u4e34\u65f6\u65e5\u5fd7，\u7528\u4e8e\u7f13\u5b58\u4ece\u4e3b\u5e93\u62c9\u53d6\u7684binlog\u6570\u636e，\u907f\u514d\u7f51\u7edc\u6ce2\u52a8\u5bfc\u81f4\u6570\u636e\u540c\u6b65\u4e2d\u65ad\u3001\u4e22\u5931；<\/p>\n

3. \u6838\u5fc3\u540c\u6b65\u7ebf\u7a0b：\u4e3b\u5e93binlog dump\u7ebf\u7a0b（\u63a8\u9001\u65e5\u5fd7）\u3001\u4ece\u5e93IO\u7ebf\u7a0b（\u62c9\u53d6\u65e5\u5fd7）\u3001\u4ece\u5e93SQL\u7ebf\u7a0b（\u56de\u653e\u65e5\u5fd7）\u3002<\/p>\n

2.2 \u6807\u51c6\u4e3b\u4ece\u540c\u6b65\u6d41\u7a0b<\/h3>\n

1. \u4e3b\u5e93\u6267\u884c\u6570\u636e\u589e\u5220\u6539\u64cd\u4f5c，\u4e8b\u52a1\u63d0\u4ea4\u540e，\u6709\u5e8f\u5c06\u64cd\u4f5c\u4e8b\u4ef6\u5199\u5165binlog\u65e5\u5fd7；<\/p>\n

2. \u4ece\u5e93IO\u7ebf\u7a0b\u4e3b\u52a8\u8fde\u63a5\u4e3b\u5e93，\u643a\u5e26\u65e5\u5fd7\u6587\u4ef6\u540d\u3001\u540c\u6b65\u70b9\u4f4d，\u8bf7\u6c42\u589e\u91cf\u65e5\u5fd7\u6570\u636e；<\/p>\n

3. \u4e3b\u5e93binlog dump\u7ebf\u7a0b\u54cd\u5e94\u8bf7\u6c42，\u63a8\u9001\u5bf9\u5e94\u589e\u91cfbinlog\u4e8b\u4ef6\u81f3\u4ece\u5e93；<\/p>\n

4. \u4ece\u5e93IO\u7ebf\u7a0b\u63a5\u6536\u65e5\u5fd7，\u5199\u5165\u672c\u5730relay\u4e2d\u7ee7\u65e5\u5fd7，\u5e76\u66f4\u65b0\u540c\u6b65\u70b9\u4f4d\u8bb0\u5f55；<\/p>\n

5. \u4ece\u5e93SQL\u7ebf\u7a0b\u5b9e\u65f6\u8bfb\u53d6\u4e2d\u7ee7\u65e5\u5fd7，\u987a\u5e8f\u56de\u653eSQL\u4e8b\u4ef6，\u5b8c\u6210\u6570\u636e\u540c\u6b65，\u6700\u7ec8\u5b9e\u73b0\u4e3b\u4ece\u6570\u636e\u4e00\u81f4\u3002<\/p>\n

2.3 \u4e3b\u4e3b\u590d\u5236\u5b9e\u73b0\u539f\u7406<\/h3>\n

\u4e3b\u4e3b\u590d\u5236\u672c\u8d28\u662f\u53cc\u5411\u4e3b\u4ece\u590d\u5236：\u5c06\u4e24\u53f0\u6570\u636e\u5e93\u8282\u70b9\u4e92\u76f8\u914d\u7f6e\u4e3a\u5bf9\u65b9\u7684\u4e3b\u5e93\u548c\u4ece\u5e93，db1\u540c\u6b65db2\u65e5\u5fd7\u3001db2\u540c\u6b65db1\u65e5\u5fd7，\u53cc\u5411\u5b9e\u65f6\u540c\u6b65\u6570\u636e，\u6700\u7ec8\u5b9e\u73b0\u53cc\u8282\u70b9\u6570\u636e\u5b8c\u5168\u4e00\u81f4\u3001\u5747\u53ef\u8bfb\u5199\u63a5\u5165\u3002<\/p>\n

\u4e09\u3001\u9879\u76ee\u5b9e\u9a8c\u73af\u5883<\/h2>\n

\u672c\u6b21\u90e8\u7f72\u6240\u6709\u4e3b\u673a\u7edf\u4e00\u7f51\u6bb5\u89c4\u5212\u3001\u89d2\u8272\u660e\u786e，\u9002\u914d\u4f01\u4e1a\u6d4b\u8bd5\/\u751f\u4ea7\u6a21\u62df\u73af\u5883：
\n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\u4e3b\u673a\u540dIP \u5730\u5740\u7f51\u5173DNSVIP \u5730\u5740\u670d\u52a1\u5668\u89d2\u8272<\/tr>\n\n\n\n\n\n\n\n\n
client2.fb.cloud<\/td>\n10.1.1.21 (vmnet1)<\/td>\n10.1.1.20<\/td>\n223.5.5.5<\/td>\n\u65e0<\/td>\n\u5ba2\u6237\u7aef<\/td>\n<\/tr>\n
client1.fb.cloud<\/td>\n10.1.8.21 (vmnet8)<\/td>\n10.1.8.20<\/td>\n223.5.5.5<\/td>\n\u65e0<\/td>\n\u5ba2\u6237\u7aef<\/td>\n<\/tr>\n
router.fb.cloud<\/td>\n10.1.8.20 (vmnet8)10.1.1.20 (vmnet1)<\/td>\n10.1.8.2\u65e0\u7f51\u5173<\/td>\n223.5.5.5\u65e0 DNS<\/td>\n\u65e0<\/td>\n\u8def\u7531\u5668<\/td>\n<\/tr>\n
ha1.fb.cloud<\/td>\n10.1.8.13 (vmnet8)<\/td>\n10.1.8.20<\/td>\n223.5.5.5<\/td>\n10.1.8.100<\/td>\nLVS+keepalived \u670d\u52a1\u5668<\/td>\n<\/tr>\n
ha2.fb.cloud<\/td>\n10.1.8.14 (vmnet8)<\/td>\n10.1.8.20<\/td>\n223.5.5.5<\/td>\n10.1.8.100<\/td>\nLVS+keepalived \u670d\u52a1\u5668<\/td>\n<\/tr>\n
db1.fb.cloud<\/td>\n10.1.8.11 (vmnet8)<\/td>\n10.1.8.20<\/td>\n223.5.5.5<\/td>\n10.1.8.100<\/td>\ndb \u670d\u52a1\u5668<\/td>\n<\/tr>\n
db2.fb.cloud<\/td>\n10.1.8.12 (vmnet8)<\/td>\n10.1.8.20<\/td>\n223.5.5.5<\/td>\n10.1.8.100<\/td>\ndb \u670d\u52a1\u5668<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u56db\u3001\u5168\u5c40\u57fa\u7840\u73af\u5883\u914d\u7f6e<\/h2>\n

4.1 \u6240\u6709\u8282\u70b9\u4e3b\u673a\u540d\u4e0eIP\u914d\u7f6e<\/h3>\n

\u7edf\u4e00\u914d\u7f6e\u5404\u8282\u70b9\u9759\u6001IP\u3001\u4e3b\u673a\u540d\u3001\u7f51\u5173\u4e0eDNS，\u4fdd\u8bc1\u5185\u7f51\u4e92\u901a：<\/p>\n

# client1 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname client1.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.21\/24 ipv4.gateway 10.1<\/span>.8.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

# client2 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname client2.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.1.21\/24 ipv4.gateway 10.1<\/span>.1.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

# router:<\/span>
\nhostnamectl set-hostname router.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.20\/24 ipv4.gateway 10.1<\/span>.8.2 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33
\nnmcli connection add<\/span> type<\/span> ethernet con-name ens36 ifname ens36 ipv4.method manual ipv4.addresses 10.1<\/span>.1.20\/24 autoconnect yes<\/span>
\nnmcli connection up ens36<\/p>\n

# ha1 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname ha1.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.13\/24 ipv4.gateway 10.1<\/span>.8.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

# ha2 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname ha2.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.14\/24 ipv4.gateway 10.1<\/span>.8.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

# db1 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname db1.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.11\/24 ipv4.gateway 10.1<\/span>.8.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

# db2 \u914d\u7f6e<\/span>
\nhostnamectl set-hostname db2.fb.cloud
\nnmcli connection modify ens33 ipv4.method manual ipv4.addresses 10.1<\/span>.8.12\/24 ipv4.gateway 10.1<\/span>.8.20 ipv4.dns 223.5<\/span>.5.5 autoconnect yes<\/span>
\nnmcli connection up ens33<\/p>\n

4.2 \u8def\u7531\u7f51\u5173\u8f6c\u53d1\u914d\u7f6e<\/h3>\n

\u8def\u7531\u8282\u70b9\u5f00\u542f\u5185\u6838\u8f6c\u53d1\u3001\u914d\u7f6e\u9632\u706b\u5899\u4f2a\u88c5，\u5b9e\u73b0\u8de8\u7f51\u6bb5\u4e92\u901a：<\/p>\n

# \u5f00\u542f\u5185\u6838IP\u8f6c\u53d1<\/span>
\n[<\/span>root@router ~ 22<\/span>:08:06]<\/span># echo "net.ipv4.ip_forward=1" >> \/etc\/sysctl.conf <\/span>
\n[<\/span>root@router ~ 22<\/span>:08:58]<\/span># sysctl -p<\/span>
\nnet.ipv4.ip_forward =<\/span> 1<\/span><\/p>\n

# \u9632\u706b\u5899\u914d\u7f6e，\u653e\u884c\u6240\u6709\u6d41\u91cf，\u4e14\u5f00\u542fNAT\u5730\u5740\u4f2a\u88c5\u529f\u80fd<\/span>
\n[<\/span>root@router ~ 22<\/span>:09:51]<\/span># systemctl enable firewalld.service –now<\/span>
\n[<\/span>root@router ~ 22<\/span>:10:19]<\/span># firewall-cmd –set-default-zone=trusted <\/span>
\n[<\/span>root@router ~ 22<\/span>:10:49]<\/span># firewall-cmd –add-masquerade <\/span>
\n[<\/span>root@router ~ 22<\/span>:11:01]<\/span># firewall-cmd –add-masquerade –permanent<\/span><\/p>\n

\u4e94\u3001MariaDB \u5b89\u88c5\u3001\u521d\u59cb\u5316\u4e0e\u4e3b\u4e3b\u540c\u6b65\u90e8\u7f72<\/h2>\n

5.1 db1\u3001db2 \u5b89\u88c5\u6570\u636e\u5e93<\/h3>\n

# \u5b89\u88c5\u670d\u52a1<\/span>
\n[<\/span>root@db1-2 ~ 22<\/span>:03:05]<\/span># yum -y install mariadb-server<\/span><\/p>\n

# \u542f\u52a8\u670d\u52a1，\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/span>
\n[<\/span>root@db1-2 ~ 22<\/span>:13:29]<\/span># systemctl enable mariadb –now<\/span><\/p>\n

# \u67e5\u770b\u72b6\u6001<\/span>
\n[<\/span>root@db1-2 ~ 22<\/span>:13:48]<\/span># systemctl status mariadb<\/span><\/p>\n

# \u5173\u95ed\u9632\u706b\u5899<\/span>
\n[<\/span>root@db1-2 ~ 22<\/span>:14:23]<\/span># systemctl disable firewalld –now<\/span><\/p>\n

5.2 \u6570\u636e\u5e93\u914d\u7f6e\u6587\u4ef6\u4fee\u6539<\/h3>\n

db1 \u914d\u7f6e \/etc\/my.cnf.d\/server.cnf<\/p>\n

[<\/span>root@db1 ~ 22<\/span>:14:03]<\/span># vim \/etc\/my.cnf.d\/server.cnf<\/span>
\n# \u5728\u4e0b\u9762\u65b0\u589e3\u884c<\/span>
\n[<\/span>mysqld]<\/span>
\nserver-id=<\/span>1<\/span>
\nlog_bin<\/span>=<\/span>mysql-bin
\nrelay_log<\/span>=<\/span>mysql-relay-bin<\/p>\n

db2 \u914d\u7f6e \/etc\/my.cnf.d\/server.cnf<\/p>\n

[<\/span>root@db2 ~ 22<\/span>:18:09]<\/span># vim \/etc\/my.cnf.d\/server.cnf<\/span>
\n# \u5728\u4e0b\u9762\u65b0\u589e3\u884c<\/span>
\n[<\/span>mysqld]<\/span>
\nserver-id=<\/span>2<\/span>
\nlog_bin<\/span>=<\/span>mysql-bin
\nrelay_log<\/span>=<\/span>mysql-relay-bin<\/p>\n

\u914d\u7f6e\u5b8c\u6210\u91cd\u542f\u670d\u52a1：<\/p>\n

[<\/span>root@db1-2 ~ 22<\/span>:18:15]<\/span># systemctl restart mariadb<\/span><\/p>\n

5.3 \u6570\u636e\u5e93\u5b89\u5168\u521d\u59cb\u5316（\u53cc\u8282\u70b9\u4e00\u81f4）<\/h3>\n

[<\/span>root@db1-2 ~ 22<\/span>:19:09]<\/span># mysql_secure_installation<\/span><\/p>\n

\u4ea4\u4e92\u6d41\u7a0b：\u9ed8\u8ba4\u56de\u8f66\u65e0\u5bc6\u7801\u767b\u5f55 – \u8bbe\u7f6e\u5bc6\u7801\u4e3a huawei – \u5168\u7a0b\u56de\u8f66\u9ed8\u8ba4\u5220\u9664\u533f\u540d\u7528\u6237\u3001\u7981\u6b62\u8fdc\u7a0broot\u767b\u5f55\u3001\u5220\u9664test\u5e93\u3001\u5237\u65b0\u6743\u9650\u3002<\/p>\n

5.4 \u642d\u5efa\u53cc\u5411\u4e3b\u4e3b\u540c\u6b65<\/h3>\n

5.4.1 db1\u6388\u6743\u540c\u6b65\u7528\u6237\u3001\u67e5\u770b\u4e3b\u5e93\u72b6\u6001<\/h4>\n

# # 1\u3001\u521b\u5efa\u590d\u5236\u7528\u6237repl，\u4ec5\u5141\u8bb8\u4ece10.1.8.12\u8fde\u63a5，\u5bc6\u7801huawei，2\u3001\u6388\u4e88\u590d\u5236\u4ece\u5e93\u3001\u590d\u5236\u5ba2\u6237\u7aef\u6743\u9650，*.*\u5bf9\u5168\u90e8\u5e93\u8868\u751f\u6548<\/span>
\n[<\/span>root@db1 ~ 22<\/span>:21:31]<\/span># mysql -uroot -phuawei -e "grant replication slave, replication client on *.* to 'repl'@'10.1.8.12' identified by 'huawei';"<\/span><\/p>\n

# \u5237\u65b0\u6743\u9650<\/span>
\n[<\/span>root@db1 ~ 22<\/span>:26:46]<\/span># mysql -uroot -phuawei -e "flush privileges;"<\/span><\/p>\n

# \u8f93\u51faFile(\u65e5\u5fd7\u6587\u4ef6\u540d)\u3001Position(\u65e5\u5fd7\u504f\u79fb\u4f4d\u7f6e)，\u7528\u4e8e\u4ece\u5e93\u914d\u7f6e\u590d\u5236\u8d77\u70b9<\/span>
\n[<\/span>root@db1 ~ 22<\/span>:28:10]<\/span># mysql -uroot -phuawei -e "show master status;"<\/span>
\n+——————+———-+————–+——————+
\n|<\/span> File |<\/span> Position |<\/span> Binlog_Do_DB |<\/span> Binlog_Ignore_DB |<\/span>
\n+——————+———-+————–+——————+
\n|<\/span> mysql-bin.000001 |<\/span> 1728<\/span> |<\/span> |<\/span> |<\/span>
\n+——————+———-+————–+——————+<\/p>\n

5.4.2 db2\u914d\u7f6e\u540c\u6b65\u6307\u5411db1<\/h4>\n

mysql -uroot<\/span> -phuawei<\/span> <<<\/span> EOF
\nchange master to
\nmaster_host='10.1.8.11', # \u4e3b\u5e93IP\u5730\u5740(db1.fb.cloud)
\nmaster_user='repl', # \u4e3b\u5e93\u6388\u6743\u7684\u590d\u5236\u8d26\u53f7
\nmaster_password='huawei', # \u590d\u5236\u8d26\u53f7repl\u7684\u5bc6\u7801
\nmaster_port=3306, # \u4e3b\u5e93MySQL\u670d\u52a1\u7aef\u53e3，\u9ed8\u8ba43306
\nmaster_log_file='mysql-bin.000001', # \u4e3b\u5e93show master status\u83b7\u53d6\u7684binlog\u65e5\u5fd7\u6587\u4ef6\u540d
\nmaster_log_pos=1728, # binlog\u65e5\u5fd7\u504f\u79fb\u4f4d\u7f6e，\u4ece\u8be5\u70b9\u4f4d\u5f00\u59cb\u540c\u6b65\u6570\u636e
\nmaster_connect_retry=30; # \u8fde\u63a5\u4e3b\u5e93\u5931\u8d25\u540e，\u95f4\u969430\u79d2\u91cd\u8bd5\u8fde\u63a5
\nstart slave; # \u542f\u52a8\u4ece\u5e93IO\u7ebf\u7a0b\u3001SQL\u7ebf\u7a0b，\u5f00\u542f\u4e3b\u4ece\u590d\u5236
\nEOF<\/span><\/p>\n

# \u7ad6\u884c\u5c55\u793a\u8f93\u51fa，\u91cd\u70b9\u770b Slave_IO_Running\u3001Slave_SQL_Running \u5747\u4e3a Yes<\/span>
\n[<\/span>root@db2 ~ 22<\/span>:39:10]<\/span># mysql -uroot -phuawei -e "show slave status\\\\G;"<\/span><\/p>\n

# \u6ce8\u610f\u5982\u679c\u4ece\u5e93\u6709\u65e7\u590d\u5236\u6b8b\u7559，\u6267\u884c\u4e0b\u9762\u547d\u4ee4，\u505c\u6b62\u5e76\u6e05\u7a7a\u65e7\u590d\u5236\u914d\u7f6e<\/span>
\nmysql -uroot<\/span> -phuawei<\/span> -e<\/span> "stop slave;reset slave all;"<\/span> # \u505c\u6b62\u5e76\u6e05\u7a7a\u65e7\u590d\u5236\u914d\u7f6e<\/span><\/p>\n

\u6821\u9a8c：Slave_IO_Running=Yes\u3001Slave_SQL_Running=Yes\u5373\u4e3a\u6b63\u5e38\u3002<\/p>\n

5.4.3 db2\u6388\u6743\u540c\u6b65\u7528\u6237\u3001\u67e5\u770b\u4e3b\u5e93\u72b6\u6001<\/h4>\n

[<\/span>root@db2 ~ 22<\/span>:40:05]<\/span># mysql -uroot -phuawei -e "grant replication slave, replication client on *.* to 'repl'@'10.1.8.11' identified by 'huawei';"<\/span>
\n[<\/span>root@db2 ~ 22<\/span>:45:41]<\/span># mysql -uroot -phuawei -e "flush privileges;"<\/span>
\n[<\/span>root@db2 ~ 22<\/span>:45:59]<\/span># mysql -uroot -phuawei -e "show master status"<\/span>
\n+——————+———-+————–+——————+
\n|<\/span> File |<\/span> Position |<\/span> Binlog_Do_DB |<\/span> Binlog_Ignore_DB |<\/span>
\n+——————+———-+————–+——————+
\n|<\/span> mysql-bin.000001 |<\/span> 1728<\/span> |<\/span> |<\/span> |<\/span>
\n+——————+———-+————–+——————+<\/p>\n

5.4.4 db1\u914d\u7f6e\u540c\u6b65\u6307\u5411db2<\/h4>\n

mysql -uroot<\/span> -phuawei<\/span> <<<\/span> EOF
\nchange master to
\nmaster_host='10.1.8.12',
\nmaster_user='repl',
\nmaster_password='huawei',
\nmaster_port=3306,
\nmaster_log_file='mysql-bin.000001',
\nmaster_log_pos=1728,
\nmaster_connect_retry=30;
\nstart slave;
\nEOF<\/span><\/p>\n

# \u7ad6\u884c\u5c55\u793a\u8f93\u51fa，\u91cd\u70b9\u770b Slave_IO_Running\u3001Slave_SQL_Running \u5747\u4e3a Yes<\/span>
\n[<\/span>root@db1 ~ 22<\/span>:48:28]<\/span># mysql -uroot -phuawei -e "show slave status\\\\G;"<\/span><\/p>\n

5.5 \u4e3b\u4e3b\u540c\u6b65\u6570\u636e\u9a8c\u8bc1<\/h3>\n

db1\u521b\u5efa\u6d4b\u8bd5\u5e93\u8868\u5199\u5165\u6570\u636e：<\/p>\n

# db1\u521b\u5efa<\/span>
\nmysql -uroot<\/span> -phuawei<\/span> <<<\/span> EOF
\ncreate database test;
\nuse test;
\ncreate table linux(username varchar(15) not null,password varchar(15) not null);
\ninsert into linux values ('fb1', 'huawei'),('fb2', 'huawei'),('fb3', 'huawei');
\ncommit;
\nEOF<\/span><\/p>\n

# db2\u67e5\u770b<\/span>
\n[<\/span>root@db2 ~ 22<\/span>:47:28]<\/span># mysql -uroot -phuawei -e "show databases;"<\/span>
\n+——————–+
\n|<\/span> Database |<\/span>
\n+——————–+
\n|<\/span> information_schema |<\/span>
\n|<\/span> mysql |<\/span>
\n|<\/span> performance_schema |<\/span>
\n|<\/span> test<\/span> |<\/span>
\n+——————–+<\/p>\n

db2\u67e5\u8be2\u53ef\u6b63\u5e38\u540c\u6b65\u6570\u636e；\u53cd\u5411\u5728db2\u521b\u5efa\u5e93\u8868，db1\u540c\u6837\u53ef\u540c\u6b65，\u53cc\u5411\u4e3b\u4e3b\u642d\u5efa\u5b8c\u6210\u3002<\/p>\n

\u516d\u3001LVS-DR \u540e\u7aef\u6570\u636e\u5e93\u8282\u70b9\u914d\u7f6e（db1\/db2）<\/h2>\n

DR\u6a21\u5f0f\u6838\u5fc3\u914d\u7f6e：\u4e24\u53f0DB\u8282\u70b9\u5747\u9700\u7ed1\u5b9aVIP\u81f3\u672c\u5730\u865a\u62df\u7f51\u5361，\u5173\u95edARP\u89e3\u6790，\u9632\u6b62IP\u51b2\u7a81\u3001\u56de\u5305\u5f02\u5e38\u3002<\/p>\n

# \u642d\u5efa\u865a\u62df\u7f51\u5361\u627f\u8f7dVIP（\u63a9\u7801\u4e3a32\u4f4d），\u5e76\u67e5\u770b\u662f\u5426\u751f\u6210<\/span>
\n[<\/span>root@db1 ~ 22<\/span>:49:56]<\/span># nmcli connection add type dummy ifname dummy con-name dummy ipv4.method manual ipv4.addresses 10.1.8.100\/32 autoconnect yes <\/span>
\n[<\/span>root@db1 ~ 22<\/span>:55:51]<\/span># nmcli connection up dummy <\/span>
\n[<\/span>root@db1 ~ 22<\/span>:56:01]<\/span># ip -br a<\/span>
\nlo UNKNOWN 127.0<\/span>.0.1\/8 ::1\/128
\nens33 UP 10.1<\/span>.8.11\/24 fe80::504c:83ce:f971:1b56\/64 fe80::274b:8373:f96a:1c30\/64 fe80::2a57:8681:577b:52f8\/64
\ndummy0 DOWN
\ndummy UNKNOWN 10.1<\/span>.8.100\/32 fe80::376e:1fb1:af89:a20c\/64 <\/p>\n

# \u5173\u95edARP\u89e3\u6790\u51b2\u7a81<\/span>
\ncat<\/span> >><\/span> \/etc\/sysctl.conf <<<\/span> EOF
\nnet.ipv4.conf.all.arp_ignore = 1
\nnet.ipv4.conf.all.arp_announce = 2
\nnet.ipv4.conf.dummy.arp_ignore = 1
\nnet.ipv4.conf.dummy.arp_announce = 2
\nEOF<\/span><\/p>\n

# \u751f\u6548\u914d\u7f6e<\/span>
\n[<\/span>root@db1 ~ 23<\/span>:01:25]<\/span># sysctl -p<\/span>
\nnet.ipv4.conf.all.arp_ignore =<\/span> 1<\/span>
\nnet.ipv4.conf.all.arp_announce =<\/span> 2<\/span>
\nnet.ipv4.conf.dummy.arp_ignore =<\/span> 1<\/span>
\nnet.ipv4.conf.dummy.arp_announce =<\/span> 2<\/span><\/p>\n

\u4e03\u3001Keepalived+LVS \u8c03\u5ea6\u5c42\u90e8\u7f72（ha1\/ha2）<\/h2>\n

7.1 \u5b89\u88c5\u4f9d\u8d56\u7ec4\u4ef6<\/h3>\n

# \u5b89\u88c5\u8f6f\u4ef6<\/span>
\n[<\/span>root@ha1-2 ~ 22<\/span>:03:05]<\/span># yum -y install keepalived ipvsadm<\/span><\/p>\n

# \u5907\u4efd\u914d\u7f6e\u6587\u4ef6<\/span>
\n[<\/span>root@ha1-2 ~ 23<\/span>:04:08]<\/span># cp \/etc\/keepalived\/keepalived.conf{,.ori}<\/span><\/p>\n

7.2 ha1 \u4e3b\u8282\u70b9\u914d\u7f6e<\/h3>\n

[<\/span>root@ha1 ~ 23<\/span>:05:36]<\/span># vim \/etc\/keepalived\/keepalived.conf<\/span>
\n!<\/span> Configuration File for<\/span> keepalived
\nglobal_defs {<\/span>
\n router_id ha1 # \u8bbe\u5907\u552f\u4e00\u6807\u8bc6，\u4e3b\u8282\u70b9\u5199ha1，\u5907\u8282\u70b9ha2<\/span>
\n}<\/span><\/p>\n

vrrp_instance db {<\/span> # \u5b9a\u4e49VRRP\u5b9e\u4f8b，\u5b9e\u4f8b\u540d\u79f0\u81ea\u5b9a\u4e49\u4e3adb<\/span>
\n state MASTER # \u8282\u70b9\u89d2\u8272，MASTER\u4e3b\u8282\u70b9；\u5907\u8282\u70b9\u8981\u6539\u6210BACKUP<\/span>
\n interface ens33 # \u7ed1\u5b9a\u7f51\u5361，VIP\u6f02\u79fb\u5230\u8fd9\u5757\u7f51\u5361\u4e0a<\/span>
\n virtual_router_id 51<\/span> # VRRP\u7ec4ID，\u4e3b\u5907\u8282\u70b9\u5fc5\u987b\u5b8c\u5168\u4e00\u81f4(0\u2011255)<\/span>
\n priority 110<\/span> # \u4f18\u5148\u7ea7，\u6570\u503c\u8d8a\u5927\u4f18\u5148\u7ea7\u8d8a\u9ad8；\u5907\u8282\u70b9\u8bbe\u7f6e\u5c0f\u4e8e110，\u4f8b100<\/span>
\n advert_int 1<\/span> # VRRP\u901a\u544a\u62a5\u6587\u53d1\u9001\u95f4\u9694，\u5355\u4f4d\u79d2，\u6bcf\u79d2\u53d1\u4e00\u6b21\u5fc3\u8df3<\/span>
\n authentication {<\/span> # VRRP\u901a\u4fe1\u8ba4\u8bc1，\u4e3b\u5907\u5bc6\u7801\u5fc5\u987b\u76f8\u540c<\/span>
\n auth_type PASS # \u8ba4\u8bc1\u7c7b\u578b：\u5bc6\u7801\u660e\u6587\u8ba4\u8bc1<\/span>
\n auth_pass 1111<\/span> # VRRP\u7ec4\u5bc6\u7801，\u4e3b\u5907\u8282\u70b9\u5fc5\u987b\u4e00\u6a21\u4e00\u6837<\/span>
\n }<\/span>
\n virtual_ipaddress {<\/span> # \u914d\u7f6eVIP\u865a\u62dfIP\u5730\u5740<\/span>
\n 10.1<\/span>.8.100\/24 # VIP\u5730\u5740，24\u4f4d\u5b50\u7f51\u63a9\u7801，\u4f1a\u6f02\u79fb\u5728\u4e3b\u5907\u8282\u70b9\u4e4b\u95f4<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

virtual_server 10.1<\/span>.8.100 3306<\/span> {<\/span> # LVS\u865a\u62df\u670d\u52a1，VIP+\u7aef\u53e3，\u5bf9\u5916\u63d0\u4f9bmysql\u8bbf\u95ee<\/span>
\n delay_loop 6<\/span> # \u540e\u7aefreal_server\u5065\u5eb7\u68c0\u67e5\u5faa\u73af\u95f4\u9694，\u5355\u4f4d\u79d2，\u6bcf6\u79d2\u68c0\u67e5\u4e00\u6b21<\/span>
\n lb_algo rr # \u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7b97\u6cd5，rr=\u8f6e\u8be2<\/span>
\n lb_kind DR # LVS\u5de5\u4f5c\u6a21\u5f0f，DR\u76f4\u63a5\u8def\u7531\u6a21\u5f0f<\/span>
\n persistence_timeout 50<\/span> # \u4f1a\u8bdd\u4fdd\u6301\u65f6\u95f450\u79d2，\u540c\u4e00\u5ba2\u6237\u7aef50\u79d2\u5185\u8c03\u5ea6\u5230\u540c\u4e00\u540e\u7aef<\/span>
\n protocol TCP # \u8d1f\u8f7d\u5747\u8861\u534f\u8bae，MySQL\u4f7f\u7528TCP<\/span><\/p>\n

real_server 10.1<\/span>.8.11 3306<\/span> {<\/span> # \u540e\u7aef\u771f\u5b9e\u670d\u52a1\u5668db1，IP+mysql\u7aef\u53e3<\/span>
\n weight 1<\/span> # \u6743\u91cd，\u8c03\u5ea6\u6743\u91cd，\u4e24\u53f0\u6743\u91cd\u4e00\u6837\u4ee3\u8868\u5747\u5206\u6d41\u91cf<\/span>
\n TCP_CHECK {<\/span> # \u4f7f\u7528TCP\u65b9\u5f0f\u505a\u540e\u7aef\u670d\u52a1\u5065\u5eb7\u68c0\u6d4b<\/span>
\n connect_timeout 3<\/span> # \u8fde\u63a5\u8d85\u65f6\u65f6\u95f43\u79d2，\u8fde\u4e0d\u4e0a\u5224\u5b9a\u670d\u52a1\u6545\u969c<\/span>
\n retry 3<\/span> # \u5931\u8d25\u91cd\u8bd5\u6b21\u6570，\u6700\u591a\u91cd\u8bd53\u6b21<\/span>
\n delay_before_retry 3<\/span> # \u6bcf\u6b21\u91cd\u8bd5\u4e4b\u95f4\u7b49\u5f85\u95f4\u96943\u79d2<\/span>
\n }<\/span>
\n }<\/span>
\n real_server 10.1<\/span>.8.12 3306<\/span> {<\/span> # \u540e\u7aef\u771f\u5b9e\u670d\u52a1\u5668db2，IP+mysql\u7aef\u53e3<\/span>
\n weight 1<\/span> # \u8c03\u5ea6\u6743\u91cd<\/span>
\n TCP_CHECK {<\/span> # TCP\u5065\u5eb7\u68c0\u67e5<\/span>
\n connect_timeout 3<\/span> # TCP\u8fde\u63a5\u8d85\u65f63\u79d2<\/span>
\n retry 3<\/span> # \u5931\u8d25\u91cd\u8bd53\u6b21<\/span>
\n delay_before_retry 3<\/span> # \u91cd\u8bd5\u524d\u7b49\u5f853\u79d2<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

7.3 ha2 \u5907\u8282\u70b9\u914d\u7f6e<\/h3>\n

[<\/span>root@ha2 ~ 23<\/span>:08:30]<\/span># vim \/etc\/keepalived\/keepalived.conf<\/span>
\n!<\/span> Configuration File for<\/span> keepalived<\/p>\n

global_defs {<\/span>
\n router_id ha2
\n}<\/span><\/p>\n

vrrp_instance db {<\/span>
\n state BACKUP
\n interface ens33
\n virtual_router_id 51<\/span>
\n priority 100<\/span>
\n advert_int 1<\/span>
\n authentication {<\/span>
\n auth_type PASS
\n auth_pass 1111<\/span>
\n }<\/span>
\n virtual_ipaddress {<\/span>
\n 10.1<\/span>.8.100\/24
\n }<\/span>
\n}<\/span><\/p>\n

virtual_server 10.1<\/span>.8.100 3306<\/span> {<\/span>
\n delay_loop 6<\/span>
\n lb_algo rr
\n lb_kind DR
\n persistence_timeout 50<\/span>
\n protocol TCP<\/p>\n

real_server 10.1<\/span>.8.11 3306<\/span> {<\/span>
\n weight 1<\/span>
\n TCP_CHECK {<\/span>
\n connect_timeout 3<\/span>
\n retry 3<\/span>
\n delay_before_retry 3<\/span>
\n }<\/span>
\n }<\/span>
\n real_server 10.1<\/span>.8.12 3306<\/span> {<\/span>
\n weight 1<\/span>
\n TCP_CHECK {<\/span>
\n connect_timeout 3<\/span>
\n retry 3<\/span>
\n delay_before_retry 3<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

7.4 \u542f\u52a8\u9ad8\u53ef\u7528\u670d\u52a1<\/h3>\n

# ha1\u548cha2\u542f\u52a8\u670d\u52a1，\u5e76\u5f00\u542f\u5f00\u673a\u81ea\u542f<\/span>
\n[<\/span>root@ha1-2 ~ 23<\/span>:20:07]<\/span># systemctl enable keepalived –now<\/span><\/p>\n

# ha1\u548cha2\u5173\u95ed\u9632\u706b\u5899<\/span>
\n[<\/span>root@ha1-2 ~ 23<\/span>:20:42]<\/span># systemctl disable firewalld –now<\/span><\/p>\n

# ha1\u67e5\u770b\u751f\u6548\u60c5\u51b5<\/span>
\n[<\/span>root@ha1 ~ 23<\/span>:20:30]<\/span># ip -br a<\/span>
\nlo UNKNOWN 127.0<\/span>.0.1\/8 ::1\/128
\nens33 UP 10.1<\/span>.8.13\/24 10.1<\/span>.8.100\/24 <\/p>\n

\u516b\u3001\u4e1a\u52a1\u6d4b\u8bd5\u7528\u6237\u6388\u6743\u4e0e\u8fde\u901a\u6027\u6d4b\u8bd5<\/h2>\n

8.1 \u6570\u636e\u5e93\u6388\u6743\u8fdc\u7a0b\u6d4b\u8bd5\u8d26\u53f7<\/h3>\n

[<\/span>root@db1 ~ 23<\/span>:01:33]<\/span># mysql -uroot -phuawei -e "grant ALL PRIVILEGES on *.* to 'fb'@'%' identified by 'huawei';"<\/span>
\n[<\/span>root@db1 ~ 23<\/span>:31:01]<\/span># mysql -uroot -phuawei -e "FLUSH PRIVILEGES;"<\/span><\/p>\n

8.2 \u5ba2\u6237\u7aef\u8fde\u63a5\u6d4b\u8bd5<\/h3>\n

# \u5ba2\u6237\u7aefmariadb\u5de5\u5177<\/span>
\n[<\/span>root@client1 ~ 22<\/span>:03:04]<\/span># yum -y install mariadb<\/span><\/p>\n

# \u901a\u8fc7VIP\u865a\u62df\u5165\u53e3\u8fde\u63a5\u6570\u636e\u5e93\u96c6\u7fa4<\/span>
\n[<\/span>root@client1 ~ 23<\/span>:32:35]<\/span># mysql -ufb -phuawei -h 10.1.8.100<\/span>
\nWelcome to the MariaDB monitor. Commands end with ;<\/span> or \\\\<\/span>g.
\nYour MariaDB connection id<\/span> is 299<\/span>
\nServer version: 5.5<\/span>.68-MariaDB MariaDB Server<\/p>\n

Copyright (<\/span>c)<\/span> 2000<\/span>, 2018<\/span>, Oracle, MariaDB Corporation Ab and others.<\/p>\n

Type 'help;'<\/span> or '\\\\h'<\/span> for<\/span> help. Type '\\\\c'<\/span> to clear<\/span> the current input statement.<\/p>\n

MariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> <\/p>\n

# \u5f53\u524d\u8bbf\u95ee\u7684\u662fdb2\u6570\u636e\u5e93<\/span>
\nMariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> select<\/span> @@hostname;<\/span>
\n+————–+
\n|<\/span> @@hostname |<\/span>
\n+————–+
\n|<\/span> db2.fb.cloud |<\/span>
\n+————–+
\n1<\/span> row in<\/span> set<\/span> (<\/span>0.01<\/span> sec)<\/span><\/p>\n

MariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> <\/p>\n

\u4e5d\u3001\u5168\u573a\u666f\u9ad8\u53ef\u7528\u6545\u969c\u6a21\u62df\u6d4b\u8bd5<\/h2>\n

\u9a8c\u8bc1\u96c6\u7fa4\u5bb9\u707e\u80fd\u529b，\u6a21\u62df\u751f\u4ea7\u5e38\u89c1\u6545\u969c：<\/p>\n

9.1 \u8c03\u5ea6\u5668\u4e3b\u8282\u70b9\u6545\u969c\u8f6c\u79fb<\/h3>\n

# \u505c\u6b62\u4e3b\u8282\u70b9ha1 keepalived<\/span>
\n[<\/span>root@ha1 ~ 23<\/span>:24:34]<\/span># systemctl stop keepalived<\/span><\/p>\n

# ha2\u6210\u4e86\u4e3b\u8282\u70b9<\/span>
\n[<\/span>root@ha2 ~ 23<\/span>:24:45]<\/span># ip -br a<\/span>
\nlo UNKNOWN 127.0<\/span>.0.1\/8 ::1\/128
\nens33 UP 10.1<\/span>.8.14\/24 10.1<\/span>.8.100\/24 <\/p>\n

# \u5ba2\u6237\u7aef\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee<\/span>
\n[<\/span>root@client1 ~ 23<\/span>:36:27]<\/span># mysql -ufb -phuawei -h 10.1.8.100<\/span>
\nWelcome to the MariaDB monitor. Commands end with ;<\/span> or \\\\<\/span>g.
\nYour MariaDB connection id<\/span> is 357<\/span>
\nServer version: 5.5<\/span>.68-MariaDB MariaDB Server<\/p>\n

Copyright (<\/span>c)<\/span> 2000<\/span>, 2018<\/span>, Oracle, MariaDB Corporation Ab and others.<\/p>\n

Type 'help;'<\/span> or '\\\\h'<\/span> for<\/span> help. Type '\\\\c'<\/span> to clear<\/span> the current input statement.<\/p>\n

MariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> <\/p>\n

\u73b0\u8c61：VIP\u81ea\u52a8\u6f02\u79fb\u81f3ha2\u5907\u8282\u70b9，\u5ba2\u6237\u7aef\u6570\u636e\u5e93\u8fde\u63a5\u65e0\u4e2d\u65ad\u3001\u65e0\u62a5\u9519，\u4e1a\u52a1\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

9.2 \u540e\u7aef\u6570\u636e\u5e93\u8282\u70b9\u6545\u969c\u5254\u9664<\/h3>\n

# \u505c\u6b62db2\u6570\u636e\u5e93\u670d\u52a1<\/span>
\n[<\/span>root@db2 ~ 23<\/span>:01:33]<\/span># systemctl stop mariadb<\/span><\/p>\n

# \u5ba2\u6237\u7aef\u8bbf\u95ee\u6b63\u5e38，\u8bbf\u95ee\u7684\u662fdb1\u6570\u636e\u5e93<\/span>
\nMariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> select<\/span> @@hostname;<\/span>
\n+————–+
\n|<\/span> @@hostname |<\/span>
\n+————–+
\n|<\/span> db1.fb.cloud |<\/span>
\n+————–+
\n1<\/span> row in<\/span> set<\/span> (<\/span>0.01<\/span> sec)<\/span><\/p>\n

MariaDB [<\/span>(<\/span>none)<\/span>]<\/span>><\/span> <\/p>\n

\u73b0\u8c61：LVS\u5065\u5eb7\u68c0\u67e5\u68c0\u6d4b\u8282\u70b9\u5931\u6548，\u81ea\u52a8\u5254\u9664db1，\u6240\u6709\u8bf7\u6c42\u81ea\u52a8\u8c03\u5ea6\u81f3db2，\u4e1a\u52a1\u8bfb\u5199\u6b63\u5e38\u3002<\/p>\n

9.3 \u6545\u969c\u8282\u70b9\u6062\u590d\u81ea\u6108<\/h3>\n

# \u91cd\u542f\u6545\u969c\u8282\u70b9\u670d\u52a1<\/span>
\n[<\/span>root@db2 ~ 23<\/span>:37:56]<\/span># systemctl start mariadb<\/span>
\n[<\/span>root@ha1 ~ 23<\/span>:34:32]<\/span># systemctl start keepalived<\/span>
\n[<\/span>root@ha1 ~ 23<\/span>:41:56]<\/span># ip -br a<\/span>
\nlo UNKNOWN 127.0<\/span>.0.1\/8 ::1\/128
\nens33 UP 10.1<\/span>.8.13\/24 10.1<\/span>.8.100\/24 <\/p>\n

\u73b0\u8c61：\u8282\u70b9\u6062\u590d\u540e，LVS\u81ea\u52a8\u91cd\u65b0\u7eb3\u5165\u96c6\u7fa4，\u91cd\u65b0\u53c2\u4e0e\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6，\u96c6\u7fa4\u81ea\u6108\u5b8c\u6210\u3002<\/p>\n

\u5341\u3001\u751f\u4ea7\u6838\u5fc3\u6ce8\u610f\u4e8b\u9879（\u907f\u5751\u6307\u5357）<\/h2>\n

10.1 LVS\u914d\u7f6e\u786c\u6027\u9650\u5236<\/h3>\n

Keepalived \u7684 real_server\u4ec5\u652f\u6301IP\u5730\u5740，\u4e0d\u652f\u6301\u57df\u540d\u3002\u56e0\u4e3aLVS\u5de5\u4f5c\u5728\u56db\u5c42\u4f20\u8f93\u5c42，\u65e0DNS\u89e3\u6790\u80fd\u529b，\u586b\u5199\u57df\u540d\u4f1a\u76f4\u63a5\u62a5\u9519\u542f\u52a8\u5931\u8d25，\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u5199\u6b7b\u540e\u7aef\u771f\u5b9eIP\u3002<\/p>\n

10.2 DR\u6a21\u5f0f\u5fc5\u914d\u9879<\/h3>\n

\u6240\u6709\u540e\u7aefRS\u8282\u70b9\u5fc5\u987b\u914d\u7f6e\u865a\u62df\u7f51\u5361\u7ed1\u5b9aVIP\u3001\u5173\u95edARP\u89e3\u6790，\u5426\u5219\u4f1a\u51fa\u73b0IP\u5730\u5740\u51b2\u7a81\u3001\u56de\u5305\u8def\u7531\u5f02\u5e38，\u5bfc\u81f4\u6570\u636e\u5e93\u8fde\u63a5\u65f6\u901a\u65f6\u65ad\u3002<\/p>\n

10.3 \u4e3b\u4e3b\u590d\u5236\u751f\u4ea7\u4f18\u5316<\/h3>\n

\u6d4b\u8bd5\u73af\u5883\u65e0\u4e3b\u952e\u51b2\u7a81\u95ee\u9898，\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u914d\u7f6e\u81ea\u589eID\u504f\u79fb，\u907f\u514d\u53cc\u4e3b\u540c\u65f6\u5199\u5165\u4ea7\u751f\u4e3b\u952e\u91cd\u590d\u3001\u6570\u636e\u5199\u5165\u5931\u8d25\u3002<\/p>\n

10.4 \u5065\u5eb7\u68c0\u67e5\u4f18\u5316<\/h3>\n

\u9ed8\u8ba4\u4ec5\u68c0\u6d4b3306\u7aef\u53e3\u5b58\u6d3b，\u65e0\u6cd5\u5224\u65ad\u6570\u636e\u5e93\u771f\u5b9e\u8bfb\u5199\u72b6\u6001\u3002\u751f\u4ea7\u5efa\u8bae\u81ea\u5b9a\u4e49shell\u811a\u672c，\u68c0\u6d4b\u6570\u636e\u5e93\u67e5\u8be2\u3001\u5199\u5165\u53ef\u7528\u6027，\u5b9e\u73b0\u7cbe\u51c6\u6545\u969c\u5254\u9664\u3002<\/p>\n

10.5 \u6743\u9650\u4e0e\u5b89\u5168\u52a0\u56fa<\/h3>\n

\u6d4b\u8bd5\u73af\u5883\u5168\u6743\u9650\u5f00\u653e，\u751f\u4ea7\u9700\u4e25\u683c\u6536\u7d27\u6570\u636e\u5e93\u8fdc\u7a0b\u6743\u9650\u3001\u7981\u7528\u4e0d\u5fc5\u8981\u8d26\u53f7\u3001\u4fee\u6539\u9ed8\u8ba4\u5bc6\u7801\u3001\u5f00\u542f\u9632\u706b\u5899\u7aef\u53e3\u767d\u540d\u5355，\u89c4\u907f\u5b89\u5168\u98ce\u9669\u3002<\/p>\n

\u5341\u4e00\u3001\u67b6\u6784\u603b\u7ed3<\/h2>\n

Keepalived+LVS(DR)+MariaDB\u4e3b\u4e3b \u662f\u4e2d\u5c0f\u4f01\u4e1a\u6027\u4ef7\u6bd4\u6781\u9ad8\u7684\u6570\u636e\u5e93\u9ad8\u53ef\u7528\u89e3\u51b3\u65b9\u6848，\u5f7b\u5e95\u89e3\u51b3\u4f20\u7edf\u67b6\u6784\u56db\u5927\u75db\u70b9：<\/p>\n

1. \u5f7b\u5e95\u6d88\u9664\u5355\u70b9\u6545\u969c：\u8c03\u5ea6\u5c42\u4e3b\u5907\u6f02\u79fb\u3001\u6570\u636e\u5e93\u5c42\u53cc\u6d3b\u5197\u4f59，\u5168\u7a0b\u81ea\u52a8\u5bb9\u707e；<\/p>\n

2. \u6027\u80fd\u5927\u5e45\u63d0\u5347：\u56db\u5c42LVS\u9ad8\u5e76\u53d1\u8f6c\u53d1\u3001\u53cc\u4e3b\u5206\u62c5\u5199\u5165\u538b\u529b，\u7a81\u7834\u5355\u5e93\u6027\u80fd\u74f6\u9888；<\/p>\n

3. \u6570\u636e\u5b89\u5168\u53ef\u63a7：\u53cc\u5411\u5b9e\u65f6\u540c\u6b65，\u89c4\u907f\u6570\u636e\u5ef6\u8fdf\u3001\u4e22\u5931\u3001\u65ad\u5c42\u95ee\u9898；<\/p>\n

4. \u8fd0\u7ef4\u6781\u7b80：\u7edf\u4e00VIP\u5165\u53e3\u3001\u65e0\u611f\u6269\u5bb9\u3001\u81ea\u52a8\u6545\u969c\u8f6c\u79fb，\u5927\u5e45\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u3002<\/p>\n

\u6574\u5957\u67b6\u6784\u7a33\u5b9a\u53ef\u9760\u3001\u53ef\u76f4\u63a5\u843d\u5730\u751f\u4ea7，\u9002\u5408\u7535\u5546\u3001\u91d1\u878d\u3001\u653f\u52a1\u7b49\u6838\u5fc3\u4e1a\u52a1\u6570\u636e\u5e93\u9ad8\u53ef\u7528\u573a\u666f\u90e8\u7f72\u3002
\n\u542f\u52a8\u5931\u8d25，\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u5199\u6b7b\u540e\u7aef\u771f\u5b9eIP\u3002<\/p>\n

10.2 DR\u6a21\u5f0f\u5fc5\u914d\u9879<\/h3>\n

\u6240\u6709\u540e\u7aefRS\u8282\u70b9\u5fc5\u987b\u914d\u7f6e\u865a\u62df\u7f51\u5361\u7ed1\u5b9aVIP\u3001\u5173\u95edARP\u89e3\u6790，\u5426\u5219\u4f1a\u51fa\u73b0IP\u5730\u5740\u51b2\u7a81\u3001\u56de\u5305\u8def\u7531\u5f02\u5e38，\u5bfc\u81f4\u6570\u636e\u5e93\u8fde\u63a5\u65f6\u901a\u65f6\u65ad\u3002<\/p>\n

10.3 \u4e3b\u4e3b\u590d\u5236\u751f\u4ea7\u4f18\u5316<\/h3>\n

\u6d4b\u8bd5\u73af\u5883\u65e0\u4e3b\u952e\u51b2\u7a81\u95ee\u9898，\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u914d\u7f6e\u81ea\u589eID\u504f\u79fb，\u907f\u514d\u53cc\u4e3b\u540c\u65f6\u5199\u5165\u4ea7\u751f\u4e3b\u952e\u91cd\u590d\u3001\u6570\u636e\u5199\u5165\u5931\u8d25\u3002<\/p>\n

10.4 \u5065\u5eb7\u68c0\u67e5\u4f18\u5316<\/h3>\n

\u9ed8\u8ba4\u4ec5\u68c0\u6d4b3306\u7aef\u53e3\u5b58\u6d3b，\u65e0\u6cd5\u5224\u65ad\u6570\u636e\u5e93\u771f\u5b9e\u8bfb\u5199\u72b6\u6001\u3002\u751f\u4ea7\u5efa\u8bae\u81ea\u5b9a\u4e49shell\u811a\u672c，\u68c0\u6d4b\u6570\u636e\u5e93\u67e5\u8be2\u3001\u5199\u5165\u53ef\u7528\u6027，\u5b9e\u73b0\u7cbe\u51c6\u6545\u969c\u5254\u9664\u3002<\/p>\n

10.5 \u6743\u9650\u4e0e\u5b89\u5168\u52a0\u56fa<\/h3>\n

\u6d4b\u8bd5\u73af\u5883\u5168\u6743\u9650\u5f00\u653e，\u751f\u4ea7\u9700\u4e25\u683c\u6536\u7d27\u6570\u636e\u5e93\u8fdc\u7a0b\u6743\u9650\u3001\u7981\u7528\u4e0d\u5fc5\u8981\u8d26\u53f7\u3001\u4fee\u6539\u9ed8\u8ba4\u5bc6\u7801\u3001\u5f00\u542f\u9632\u706b\u5899\u7aef\u53e3\u767d\u540d\u5355，\u89c4\u907f\u5b89\u5168\u98ce\u9669\u3002<\/p>\n

\u5341\u4e00\u3001\u67b6\u6784\u603b\u7ed3<\/h2>\n

Keepalived+LVS(DR)+MariaDB\u4e3b\u4e3b \u662f\u4e2d\u5c0f\u4f01\u4e1a\u6027\u4ef7\u6bd4\u6781\u9ad8\u7684\u6570\u636e\u5e93\u9ad8\u53ef\u7528\u89e3\u51b3\u65b9\u6848，\u5f7b\u5e95\u89e3\u51b3\u4f20\u7edf\u67b6\u6784\u56db\u5927\u75db\u70b9：<\/p>\n

1. \u5f7b\u5e95\u6d88\u9664\u5355\u70b9\u6545\u969c：\u8c03\u5ea6\u5c42\u4e3b\u5907\u6f02\u79fb\u3001\u6570\u636e\u5e93\u5c42\u53cc\u6d3b\u5197\u4f59，\u5168\u7a0b\u81ea\u52a8\u5bb9\u707e；<\/p>\n

2. \u6027\u80fd\u5927\u5e45\u63d0\u5347：\u56db\u5c42LVS\u9ad8\u5e76\u53d1\u8f6c\u53d1\u3001\u53cc\u4e3b\u5206\u62c5\u5199\u5165\u538b\u529b，\u7a81\u7834\u5355\u5e93\u6027\u80fd\u74f6\u9888；<\/p>\n

3. \u6570\u636e\u5b89\u5168\u53ef\u63a7：\u53cc\u5411\u5b9e\u65f6\u540c\u6b65，\u89c4\u907f\u6570\u636e\u5ef6\u8fdf\u3001\u4e22\u5931\u3001\u65ad\u5c42\u95ee\u9898；<\/p>\n

4. \u8fd0\u7ef4\u6781\u7b80：\u7edf\u4e00VIP\u5165\u53e3\u3001\u65e0\u611f\u6269\u5bb9\u3001\u81ea\u52a8\u6545\u969c\u8f6c\u79fb，\u5927\u5e45\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u3002<\/p>\n

\u6574\u5957\u67b6\u6784\u7a33\u5b9a\u53ef\u9760\u3001\u53ef\u76f4\u63a5\u843d\u5730\u751f\u4ea7，\u9002\u5408\u7535\u5546\u3001\u91d1\u878d\u3001\u653f\u52a1\u7b49\u6838\u5fc3\u4e1a\u52a1\u6570\u636e\u5e93\u9ad8\u53ef\u7528\u573a\u666f\u90e8\u7f72\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5f7b\u5e95\u89e3\u51b3\u6570\u636e\u5e93\u5355\u70b9\u6545\u969c！KeepalivedLVS(DR)MariaDB\u4e3b\u4e3b\u9ad8\u53ef\u7528\u67b6\u6784\u5b9e\u6218
\n\u4e00\u3001\u9879\u76ee\u80cc\u666f
\n1.1 \u4e1a\u52a1\u573a\u666f\u4e0e\u6570\u636e\u5e93\u6838\u5fc3\u8bc9\u6c42
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