{"id":1312,"date":"2023-11-06T17:37:29","date_gmt":"2023-11-06T09:37:29","guid":{"rendered":"https:\/\/www.izhuhn.cn\/?p=1312"},"modified":"2023-11-06T17:37:29","modified_gmt":"2023-11-06T09:37:29","slug":"lvs%e7%ae%80%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.izhuhn.cn\/index.php\/2023\/11\/06\/lvs%e7%ae%80%e8%ae%b0\/","title":{"rendered":"LVS\u7b80\u8bb0"},"content":{"rendered":"\n

<\/p>\n\n\n\n

\u4ec0\u4e48\u662f\u96c6\u7fa4<\/p>\n\n\n\n

\u4e00\u7ec4\u901a\u8fc7\u9ad8\u901f\u7f51\u7edc\u4e92\u8054\u7684\u8ba1\u7b97\u7ec4\uff0c\u5e76\u4ee5\u5355\u4e00\u7cfb\u7edf\u7684\u6a21\u5f0f\u52a0\u4ee5\u7ba1\u7406<\/p>\n\n\n\n

\u5c06\u5f88\u591a\u670d\u52a1\u5668\u96c6\u4e2d\u8d77\u6765\u4e00\u8d77\uff0c\u63d0\u4f9b\u540c\u4e00\u79cd\u670d\u52a1\uff0c\u5728\u5ba2\u6237\u7aef\u770b\u6765\u5c31\u50cf\u662f\u53ea\u6709\u4e00\u4e2a\u670d\u52a1\u5668<\/p>\n\n\n\n

\u53ef\u4ee5\u5728\u4ed8\u51fa\u8f83\u4f4e\u6210\u672c\u7684\u60c5\u51b5\u4e0b\u83b7\u5f97\u6027\u80fd\u3001<\/p>\n\n\n\n

\u53ef\u9760\u6027\u3001\u7075\u6d3b\u6027\u65b9\u9762\u7684\u76f8\u5bf9\u8f83\u9ad8\u7684\u6536\u76ca<\/p>\n\n\n\n

\u96c6\u7fa4\u7684\u76ee\u7684<\/p>\n\n\n\n

       \u63d0\u9ad8\u6027\u80fd<\/p>\n\n\n\n

              \u5982\u8ba1\u7b97\u5bc6\u96c6\u578b\u5e94\u7528\uff0c\u5982\uff1a\u5929\u6c14\u9884\u62a5\u3001\u6838\u8bd5\u9a8c\u6a21\u62df<\/p>\n\n\n\n

       \u964d\u4f4e\u6210\u672c<\/p>\n\n\n\n

              \u76f8\u5bf9\u767e\u4e07\u7f8e\u5143\u53ca\u7684\u8d85\u7ea7\u8ba1\u7b97\u673a\uff0c\u4ef7\u683c\u4fbf\u5b9c<\/p>\n\n\n\n

       \u63d0\u9ad8\u53ef\u6269\u5c55\u6027<\/p>\n\n\n\n

              \u53ea\u8981\u589e\u52a0\u96c6\u7fa4\u8282\u70b9\u5373\u53ef<\/p>\n\n\n\n

       \u589e\u52a0\u53ef\u9760\u6027<\/p>\n\n\n\n

              \u591a\u4e2a\u8282\u70b9\u5b8c\u6210\u76f8\u540c\u529f\u80fd\uff0c\u907f\u514d\u5355\u70b9\u5931\u8d25<\/p>\n\n\n\n

\u96c6\u7fa4\u5206\u7c7b<\/p>\n\n\n\n

       \u9ad8\u6027\u80fd\u8ba1\u7b97\u96c6\u7fa4HPC<\/p>\n\n\n\n

              \u901a\u8fc7\u4ee5\u96c6\u7fa4\u5f00\u53d1\u7684\u5e76\u884c\u5e94\u7528\u7a0b\u5e8f\uff0c\u89e3\u51b3\u8d1f\u8f7d\u7684\u79d1\u5b66\u95ee\u9898<\/p>\n\n\n\n

       \u8d1f\u8f7d\u5747\u8861(LB)\u96c6\u7fa4<\/p>\n\n\n\n

              \u5ba2\u6237\u7aef\u8d1f\u8f7d\u5728\u8ba1\u7b97\u673a\u96c6\u7fa4\u4e2d\u5c3d\u53ef\u80fd\u5e73\u644a<\/p>\n\n\n\n

       \u9ad8\u53ef\u7528(HA)\u96c6\u7fa4<\/p>\n\n\n\n

              \u907f\u514d\u5355\u70b9\u6545\u969c\uff0c\u5f53\u4ee5\u4e2a\u7cfb\u7edf\u53d1\u751f\u6545\u969c\u65f6\uff0c\u53ef\u4ee5\u5feb\u901f\u8fc1\u79fb<\/p>\n\n\n\n

\u53bbIOE(IBM'Oracle'emc)<\/p>\n\n\n\n

  \u9ad8\u79d1\u7528 \u8d1f\u8f7d\u5747\u8861 \u96c6\u7fa4<\/p>\n\n\n\n

       squid squid<\/p>\n\n\n\n

       nginx nginx<\/p>\n\n\n\n

       web web web<\/p>\n\n\n\n

        memcached<\/p>\n\n\n\n

       mysql mysql<\/p>\n\n\n\n

F5<\/p>\n\n\n\n

LVS\u9879\u76ee\u4ecb\u7ecd<\/p>\n\n\n\n

liunx\u865a\u62df\u670d\u52a1\u5668(LVS)\u7531\u7ae0\u6587\u5d69\u8bfb\u535a\u58eb\u521b\u5efa<\/p>\n\n\n\n

LVS\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u3001\u53ef\u4f38\u7f29\u7684Web\u3001Mail\u3001Cache\u548cMedia\u7b49\u7f51\u7edc\u670d\u52a1<\/p>\n\n\n\n

\u6700\u7ec8\u76ee\u6807\u662f\u5229\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u548cLVS\u96c6\u7fa4\u8f6f\u4ef6\u5b9e\u73b0\u4e00\u4e2a\u9ad8\u53ef\u7528\u3001\u9ad8\u6027\u80fd\u3001\u4f4e\u6210\u672c\u7684\u670d\u52a1\u5668\u5e94\u7528\u96c6\u7fa4<\/p>\n\n\n\n

LVS\u96c6\u7fa4\u7ec4\u6210<\/p>\n\n\n\n

\u524d\u7aef:\u8d1f\u8f7d\u5747\u8861\u5c42<\/p>\n\n\n\n

       \u7531\u4e00\u53f0\u6216\u591a\u53f0\u8d1f\u8f7d\u9ad8\u5ea6\u5668<\/p>\n\n\n\n

\u4e2d\u95f4:<\/p>\n\n\n\n

\u4f4e\u7aef:<\/p>\n\n\n\n

LVS\u672f\u8bed<\/p>\n\n\n\n

       LB Direcot :\u8c03\u5ea6\u5668\u670d\u52a1\u5668(\u8d1f\u8f7d\u5747\u8861\u5668) \u5c06\u8d1f\u8f7d\u5747\u8861\u5206\u53d1\u5230Real Server \u670d\u52a1\u5668<\/p>\n\n\n\n

       RS Real Server \uff1a\u771f\u5b9e\u670d\u52a1\u5668 \u771f\u6b63\u63d0\u4f9b\u5e94\u7528\u670d\u52a1\u7684\u670d\u52a1\u5668<\/p>\n\n\n\n

       VIP:\u865a\u62dfIP<\/p>\n\n\n\n

       RIP:\u771f\u5b9eIP<\/p>\n\n\n\n

       DIP:<\/p>\n\n\n\n

LVS\u5de5\u4f5c\u6a21\u5f0f<\/p>\n\n\n\n

       NAT\u6a21\u5f0f<\/p>\n\n\n\n

       (Virtualserver via Netwrok address translation VS\/NAT)<\/p>\n\n\n\n

              \u901a\u8fc7\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u8c03\u5ea6\u7684\u3002<\/p>\n\n\n\n

              \u9996\u5148\u8d1f\u8f7d\u5747\u8861\u5668(LB)\u6536\u5230\u5ba2\u6237\u7aef\u8bf7\u6c42\u6570\u636e\u5305\u65f6(\u8bf7\u6c42\u76ee\u7684IP\u4e3aVIP)\uff0c\u6839\u636e\u8c03\u5ea6\u7b97\u6cd5\u51b3\u5b9a\u5c06\u8bf7\u6c42\u53d1\u9001\u7ed9\u90a3\u4e2a\u540e\u7aef\u7684RS\u3002<\/p>\n\n\n\n

              \u7136\u540e\u8c03\u5ea6\u5c31\u628a\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u8bf7\u6c42\u6570\u636e\u5305\u7684\u76ee\u6807IP\u5730\u5740\u53ca\u7aef\u53e3\u6539\u6210\u540e\u7aef\u771f\u5b9eIP(RIP),\u8fd9\u6837\u771f\u5b9e\u670d\u52a1\u5668(RS)\u5c31\u80fd\u63a5\u6536\u5230\u5ba2\u6237\u7684\u8bf7\u6c42\u6570\u636e\u5305\u4e86<\/p>\n\n\n\n

              \u771f\u5b9e\u670d\u52a1\u5668\u54cd\u5e94\u5b8c\u8bf7\u6c42\u540e\uff0c\u67e5\u770b\u9ed8\u8ba4\u8def\u7531(NAT\u6a21\u5f0f\u4e0b\u6211\u4eec\u9700\u8981\u628aRS\u7684\u9ed8\u8ba4\u8def\u7531\u8bbe\u7f6e\u4e3aLB\u670d\u52a1\u5668)\u628a\u54cd\u5e94\u540e\u7684\u6570\u636e\u5305\u53d1\u9001\u7ed9LB\uff0cLB\u518d\u63a5\u6536\u5230\u54cd\u5e94\u5305\u540e,\u628a\u5305\u7684\u6e90\u5730\u5740\u6539\u6210\u865a\u62df\u5730\u5740(VIP)\u7136\u540e\u53d1\u9001\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

\u539f\u7406\u56fe\u7b80\u8ff0\uff1a<\/strong><\/p>\n\n\n\n

1)\u5ba2\u6237\u7aef\u8bf7\u6c42\u6570\u636e\uff0c\u76ee\u6807IP\u4e3aVIP<\/p>\n\n\n\n

2)\u8bf7\u6c42\u6570\u636e\u5230\u8fbeLB\u670d\u52a1\u5668\uff0cLB\u6839\u636e\u8c03\u5ea6\u7b97\u6cd5\u5c06\u76ee\u7684\u5730\u5740\u4fee\u6539\u4e3aRIP\u5730\u5740\u53ca\u5bf9\u5e94\u7aef\u53e3\uff08\u6b64RIP\u5730\u5740\u662f\u6839\u636e\u8c03\u5ea6\u7b97\u6cd5\u5f97\u51fa\u7684\u3002\uff09\u5e76\u5728\u8fde\u63a5HASH\u8868\u4e2d\u8bb0\u5f55\u4e0b\u8fd9\u4e2a\u8fde\u63a5\u3002<\/p>\n\n\n\n

3)\u6570\u636e\u5305\u4eceLB\u670d\u52a1\u5668\u5230\u8fbeRS\u670d\u52a1\u5668webserver\uff0c\u7136\u540ewebserver\u8fdb\u884c\u54cd\u5e94\u3002Webserver\u7684\u7f51\u5173\u5fc5\u987b\u662fLB\uff0c\u7136\u540e\u5c06\u6570\u636e\u8fd4\u56de\u7ed9LB\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

4)\u6536\u5230RS\u7684\u8fd4\u56de\u540e\u7684\u6570\u636e\uff0c\u6839\u636e\u8fde\u63a5HASH\u8868\u4fee\u6539\u6e90\u5730\u5740VIP&\u76ee\u6807\u5730\u5740CIP\uff0c\u53ca\u5bf9\u5e94\u7aef\u53e380.\u7136\u540e\u6570\u636e\u5c31\u4eceLB\u51fa\u53d1\u5230\u8fbe\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n

5)\u5ba2\u6237\u7aef\u6536\u5230\u7684\u5c31\u53ea\u80fd\u770b\u5230VIP\\DIP\u4fe1\u606f\u3002<\/p>\n\n\n\n

NAT<\/strong>\u6a21\u5f0f\u4f18\u7f3a\u70b9\uff1a      <\/strong><\/p>\n\n\n\n

1\u3001NAT\u6280\u672f\u5c06\u8bf7\u6c42\u7684\u62a5\u6587\u548c\u54cd\u5e94\u7684\u62a5\u6587\u90fd\u9700\u8981\u901a\u8fc7LB\u8fdb\u884c\u5730\u5740\u6539\u5199\uff0c\u56e0\u6b64\u7f51\u7ad9\u8bbf\u95ee\u91cf\u6bd4\u8f83\u5927\u7684\u65f6\u5019LB\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u5668\u6709\u6bd4\u8f83\u5927\u7684\u74f6\u9888\uff0c\u4e00\u822c\u8981\u6c42\u6700\u591a\u4e4b\u80fd10-20\u53f0\u8282\u70b9<\/p>\n\n\n\n

2\u3001\u53ea\u9700\u8981\u5728LB\u4e0a\u914d\u7f6e\u4e00\u4e2a\u516c\u7f51IP\u5730\u5740\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n

3\u3001\u6bcf\u53f0\u5185\u90e8\u7684\u8282\u70b9\u670d\u52a1\u5668\u7684\u7f51\u5173\u5730\u5740\u5fc5\u987b\u662f\u8c03\u5ea6\u5668LB\u7684\u5185\u7f51\u5730\u5740\u3002<\/p>\n\n\n\n

4\u3001NAT\u6a21\u5f0f\u652f\u6301\u5bf9IP\u5730\u5740\u548c\u7aef\u53e3\u8fdb\u884c\u8f6c\u6362\u3002\u5373\u7528\u6237\u8bf7\u6c42\u7684\u7aef\u53e3\u548c\u771f\u5b9e\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53ef\u4ee5\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n

   TUN\u6a21\u5f0f<\/p>\n\n\n\n

       (Virtual server via ip tunneling)<\/p>\n\n\n\n

\u91c7\u7528NAT\u6a21\u5f0f\u65f6,\u7531\u4e8e\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u62a5\u6587\u5fc5\u987b\u901a\u8fc7\u8c03\u5ea6\u5668\u5730\u5740\u91cd\u5199\uff0c\u5f53\u5ba2\u6237\u8bf7\u6c42\u8d8a\u6765\u8d8a\u591a\u65f6,\u8c03\u5ea6\u5668\u5904\u7406\u80fd\u529b\u5c06\u6210\u4e3a\u74f6\u9888\u3002<\/p>\n\n\n\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898,\u8c03\u5ea6\u5668\u628a\u8bf7\u6c42\u7684\u62a5\u6587\u901a\u8fc7IP\u96a7\u9053\u8f6c\u53d1\u5230\u771f\u5b9e\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u771f\u5b9e\u7684\u670d\u52a1\u5668\u5c06\u54cd\u5e94\u5904\u7406\u540e\u7684\u6570\u636e\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n

\u8fd9\u6837\u8c03\u5ea6\u5668\u5c31\u53ea\u5904\u7406\u8bf7\u6c42\u5165\u7ad9\u62a5\u6587\uff0c\u7531\u4e8e\u4e00\u822c\u7f51\u7edc\u670d\u52a1\u5e94\u7b54\u6570\u636e\u6bd4\u8bf7\u6c42\u62a5\u6587\u5927\u5f88\u591a\uff0c\u91c7\u7528VS\/TUN\u6a21\u5f0f\u540e,\u96c6\u7fa4\u7cfb\u7edf\u7684\u6700\u5927\u541e\u5410\u91cf\u53ef\u4ee5\u63d0\u9ad810\u500d<\/p>\n\n\n\n

              \u5b83\u548cNAT\u6a21\u5f0f\u4e0d\u540c\u7684\u662f,\u5b83\u5728LB\u548cRS\u4e4b\u95f4\u7684\u4f20\u8f93\u4e0d\u7528\u6539\u5199IP\u5730\u5740.<\/p>\n\n\n\n

              \u800c\u662f\u628a\u5ba2\u6237\u8bf7\u6c42\u5305\u5c01\u88c5\u5728\u4e00\u4e2aIP tunnel\u91cc\u9762,\u7136\u540e\u53d1\u9001\u7ed9RS\u8282\u70b9\u670d\u52a1\u5668,\u8282\u70b9\u670d\u52a1\u5668\u63a5\u6536\u5230\u4e4b\u540e\u89e3\u5f00IP tunnel\u540e,\u8fdb\u884c\u54cd\u5e94\u5904\u7406.<\/p>\n\n\n\n

              \u5e76\u4e14\u76f4\u63a5\u628a\u5305\u901a\u8fc7\u81ea\u5df1\u7684\u5916\u7f51\u5730\u5740\u53d1\u9001\u7ed9\u5ba2\u6237\u4e0d\u7528\u7ecf\u8fc7LB\u670d\u52a1\u5668<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

\u539f\u7406\u56fe\u8fc7\u7a0b\u7b80\u8ff0\uff1a<\/strong><\/p>\n\n\n\n

1\uff09\u5ba2\u6237\u8bf7\u6c42\u6570\u636e\u5305\uff0c\u76ee\u6807\u5730\u5740VIP\u53d1\u9001\u5230LB\u4e0a\u3002<\/p>\n\n\n\n

2\uff09LB\u63a5\u6536\u5230\u5ba2\u6237\u8bf7\u6c42\u5305\uff0c\u8fdb\u884cIP Tunnel\u5c01\u88c5\u3002\u5373\u5728\u539f\u6709\u7684\u5305\u5934\u52a0\u4e0aIP Tunnel\u7684\u5305\u5934\u3002\u7136\u540e\u53d1\u9001\u51fa\u53bb\u3002<\/p>\n\n\n\n

3\uff09RS\u8282\u70b9\u670d\u52a1\u5668\u6839\u636eIP Tunnel\u5305\u5934\u4fe1\u606f\uff08\u6b64\u65f6\u5c31\u53c8\u4e00\u79cd\u903b\u8f91\u4e0a\u7684\u9690\u5f62\u96a7\u9053\uff0c\u53ea\u6709LB\u548cRS\u4e4b\u95f4\u61c2\uff09\u6536\u5230\u8bf7\u6c42\u5305\uff0c\u7136\u540e\u89e3\u5f00IP Tunnel\u5305\u5934\u4fe1\u606f\uff0c\u5f97\u5230\u5ba2\u6237\u7684\u8bf7\u6c42\u5305\u5e76\u8fdb\u884c\u54cd\u5e94\u5904\u7406\u3002<\/p>\n\n\n\n

4\uff09\u54cd\u5e94\u5904\u7406\u5b8c\u6bd5\u4e4b\u540e\uff0cRS\u670d\u52a1\u5668\u4f7f\u7528\u81ea\u5df1\u7684\u51fa\u516c\u7f51\u7684\u7ebf\u8def\uff0c\u5c06\u8fd9\u4e2a\u54cd\u5e94\u6570\u636e\u5305\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002\u6e90IP\u5730\u5740\u8fd8\u662fVIP\u5730\u5740\u3002\uff08RS\u8282\u70b9\u670d\u52a1\u5668\u9700\u8981\u5728\u672c\u5730\u56de\u73af\u63a5\u53e3\u914d\u7f6eVIP\uff0c\u540e\u7eed\u4f1a\u8bb2\uff09<\/p>\n\n\n\n

RS\u8981\u66b4\u9732\u5728\u516c\u7f51<\/p>\n\n\n\n

       DR\u6a21\u5f0f<\/p>\n\n\n\n

Virtual server via direct routing (vs\/dr)<\/p>\n\n\n\n

              DR\u6a21\u5f0f\u662f\u901a\u8fc7\u6539\u5199\u8bf7\u6c42\u62a5\u6587\u7684\u76ee\u6807MAC\u5730\u5740\uff0c\u5c06\u8bf7\u6c42\u53d1\u7ed9\u771f\u5b9e\u670d\u52a1\u5668\u7684\uff0c\u800c\u771f\u5b9e\u670d\u52a1\u5668\u54cd\u5e94\u540e\u7684\u5904\u7406\u7ed3\u679c\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7528\u6237<\/p>\n\n\n\n

              \u540ctun\u6a21\u5f0f\u4e00\u6837,dr\u6a21\u5f0f\u53ef\u4ee5\u6781\u5927\u7684\u63d0\u9ad8\u96c6\u7fa4\u7cfb\u7edf\u7684\u4f38\u7f29\u6027<\/p>\n\n\n\n

              \u800c\u4e14dr\u6a21\u5f0f\u6ca1\u6709IP\u96a7\u9053\u7684\u5f00\u9500\uff0c\u5bf9\u96c6\u7fa4\u4e2d\u7684\u771f\u5b9e\u670d\u52a1\u5668\u4e5f\u6ca1\u6709\u5fc5\u8981\u5fc5\u987b\u652f\u6301IP\u96a7\u9053\u534f\u8bae\u7684\u8981\u6c42<\/p>\n\n\n\n

              \u4f46\u662f\u8981\u6c42\u8c03\u5ea6\u5668lb\u4e0e\u771f\u5b9e\u670d\u52a1\u5668rs\u90fd\u6709\u4e00\u5757\u7f51\u5361\u8fde\u63a5\u5230\u540c\u4e00\u7269\u7406\u7f51\u6bb5\u4e0a\uff0c\u5fc5\u987b\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u73af\u5883<\/p>\n\n\n\n

              dr\u6a21\u5f0f\u662f\u4e92\u8054\u7f51\u4f7f\u7528\u6bd4\u8f83\u591a\u7684\u4e00\u79cd\u6a21\u5f0f<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

DR<\/strong>\u6a21\u5f0f\u539f\u7406\u8fc7\u7a0b\u7b80\u8ff0\uff1a<\/strong><\/p>\n\n\n\n

VS\/DR\u6a21\u5f0f\u7684\u5de5\u4f5c\u6d41\u7a0b\u56fe\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5b83\u7684\u8fde\u63a5\u8c03\u5ea6\u548c\u7ba1\u7406\u4e0eNAT\u548cTUN\u4e2d\u7684\u4e00\u6837\uff0c\u5b83\u7684\u62a5\u6587\u8f6c\u53d1\u65b9\u6cd5\u548c\u524d\u4e24\u79cd\u4e0d\u540c\u3002DR\u6a21\u5f0f\u5c06\u62a5\u6587\u76f4\u63a5\u8def\u7531\u7ed9\u76ee\u6807\u771f\u5b9e\u670d\u52a1\u5668\u3002\u5728DR\u6a21\u5f0f\u4e2d\uff0c\u8c03\u5ea6\u5668\u6839\u636e\u5404\u4e2a\u771f\u5b9e\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u8fde\u63a5\u6570\u591a\u5c11\u7b49\uff0c\u52a8\u6001\u5730\u9009\u62e9\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u4e0d\u4fee\u6539\u76ee\u6807IP\u5730\u5740\u548c\u76ee\u6807\u7aef\u53e3\uff0c\u4e5f\u4e0d\u5c01\u88c5IP\u62a5\u6587\uff0c\u800c\u662f\u5c06\u8bf7\u6c42\u62a5\u6587\u7684\u6570\u636e\u5e27\u7684\u76ee\u6807MAC\u5730\u5740\u6539\u4e3a\u771f\u5b9e\u670d\u52a1\u5668\u7684MAC\u5730\u5740<\/strong>\u3002\u7136\u540e\u518d\u5c06\u4fee\u6539\u7684\u6570\u636e\u5e27\u5728\u670d\u52a1\u5668\u7ec4\u7684\u5c40\u57df\u7f51\u4e0a\u53d1\u9001\u3002\u56e0\u4e3a\u6570\u636e\u5e27\u7684MAC\u5730\u5740\u662f\u771f\u5b9e\u670d\u52a1\u5668\u7684MAC\u5730\u5740\uff0c\u5e76\u4e14\u53c8\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u3002\u90a3\u4e48\u6839\u636e\u5c40\u57df\u7f51\u7684\u901a\u8baf\u539f\u7406\uff0c\u771f\u5b9e\u590d\u4f4d\u662f\u4e00\u5b9a\u80fd\u591f\u6536\u5230\u7531LB\u53d1\u51fa\u7684\u6570\u636e\u5305\u3002\u771f\u5b9e\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u6570\u636e\u5305\u7684\u65f6\u5019\uff0c\u89e3\u5f00IP\u5305\u5934\u67e5\u770b\u5230\u7684\u76ee\u6807IP\u662fVIP\u3002\uff08\u6b64\u65f6\u53ea\u6709\u81ea\u5df1\u7684IP\u7b26\u5408\u76ee\u6807IP\u624d\u4f1a\u63a5\u6536\u8fdb\u6765\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5728\u672c\u5730\u7684\u56de\u73af\u501f\u53e3\u4e0a\u9762\u914d\u7f6eVIP\u3002\u53e6\uff1a\u7531\u4e8e\u7f51\u7edc\u63a5\u53e3\u90fd\u4f1a\u8fdb\u884cARP\u5e7f\u64ad\u54cd\u5e94\uff0c\u4f46\u96c6\u7fa4\u7684\u5176\u4ed6\u673a\u5668\u90fd\u6709\u8fd9\u4e2aVIP\u7684lo\u63a5\u53e3\uff0c\u90fd\u54cd\u5e94\u5c31\u4f1a\u51b2\u7a81\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a\u771f\u5b9e\u670d\u52a1\u5668\u7684lo\u63a5\u53e3\u7684ARP\u54cd\u5e94\u5173\u95ed\u6389\u3002\uff09<\/em>\u7136\u540e\u771f\u5b9e\u670d\u52a1\u5668\u505a\u6210\u8bf7\u6c42\u54cd\u5e94\uff0c\u4e4b\u540e\u6839\u636e\u81ea\u5df1\u7684\u8def\u7531\u4fe1\u606f\u5c06\u8fd9\u4e2a\u54cd\u5e94\u6570\u636e\u5305\u53d1\u9001\u56de\u7ed9\u5ba2\u6237\uff0c\u5e76\u4e14\u6e90IP\u5730\u5740\u8fd8\u662fVIP\u3002<\/p>\n\n\n\n

DR<\/strong>\u6a21\u5f0f\u5c0f\u7ed3\uff1a<\/strong><\/p>\n\n\n\n

1\u3001\u901a\u8fc7\u5728\u8c03\u5ea6\u5668LB\u4e0a\u4fee\u6539\u6570\u636e\u5305\u7684\u76ee\u7684MAC\u5730\u5740\u5b9e\u73b0\u8f6c\u53d1\u3002\u6ce8\u610f\u6e90\u5730\u5740\u4ecd\u7136\u662fCIP\uff0c\u76ee\u7684\u5730\u5740\u4ecd\u7136\u662fVIP\u5730\u5740\u3002<\/p>\n\n\n\n

2\u3001\u8bf7\u6c42\u7684\u62a5\u6587\u7ecf\u8fc7\u8c03\u5ea6\u5668\uff0c\u800cRS\u54cd\u5e94\u5904\u7406\u540e\u7684\u62a5\u6587\u65e0\u9700\u7ecf\u8fc7\u8c03\u5ea6\u5668LB\uff0c\u56e0\u6b64\u5e76\u53d1\u8bbf\u95ee\u91cf\u5927\u65f6\u4f7f\u7528\u6548\u7387\u5f88\u9ad8\uff08\u548cNAT\u6a21\u5f0f\u6bd4\uff09<\/p>\n\n\n\n

3\u3001\u56e0\u4e3aDR\u6a21\u5f0f\u662f\u901a\u8fc7MAC\u5730\u5740\u6539\u5199\u673a\u5236\u5b9e\u73b0\u8f6c\u53d1\uff0c\u56e0\u6b64\u6240\u6709RS\u8282\u70b9\u548c\u8c03\u5ea6\u5668LB\u53ea\u80fd\u5728\u4e00\u4e2a\u5c40\u57df\u7f51\u91cc\u9762<\/p>\n\n\n\n

4\u3001RS\u4e3b\u673a\u9700\u8981\u7ed1\u5b9aVIP\u5730\u5740\u5728LO\u63a5\u53e3\u4e0a\uff0c\u5e76\u4e14\u9700\u8981\u914d\u7f6eARP\u6291\u5236\u3002<\/p>\n\n\n\n

5\u3001RS\u8282\u70b9\u7684\u9ed8\u8ba4\u7f51\u5173\u4e0d\u9700\u8981\u914d\u7f6e\u6210LB\uff0c\u800c\u662f\u76f4\u63a5\u914d\u7f6e\u4e3a\u4e0a\u7ea7\u8def\u7531\u7684\u7f51\u5173\uff0c\u80fd\u8ba9RS\u76f4\u63a5\u51fa\u7f51\u5c31\u53ef\u4ee5\u3002<\/p>\n\n\n\n

6\u3001\u7531\u4e8eDR\u6a21\u5f0f\u7684\u8c03\u5ea6\u5668\u4ec5\u505aMAC\u5730\u5740\u7684\u6539\u5199\uff0c\u6240\u4ee5\u8c03\u5ea6\u5668LB\u5c31\u4e0d\u80fd\u6539\u5199\u76ee\u6807\u7aef\u53e3\uff0c\u90a3\u4e48RS\u670d\u52a1\u5668\u5c31\u5f97\u4f7f\u7528\u548cVIP\u76f8\u540c\u7684\u7aef\u53e3\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n\n\n\n

\u5b98\u65b9\u4e09\u79cd\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u6bd4\u8f83\u603b\u7ed3\u8868\uff1a<\/strong><\/p>\n\n\n\n

\u5de5\u4f5c\u6a21\u5f0f<\/strong><\/td>VS\/NAT<\/strong><\/td>VS\/TUN<\/strong><\/td>VS\/DR<\/strong><\/td><\/tr>
Real  server<\/strong>\uff08\u8282\u70b9\u670d\u52a1\u5668\uff09<\/strong><\/td>Config dr gw<\/td>Tunneling<\/td>Non-arp device\/tie vip<\/td><\/tr>
Server Network<\/strong><\/td>Private<\/td>LAN\/WAN<\/td>LAN<\/td><\/tr>
Server number<\/strong>\uff08\u8282\u70b9\u6570\u91cf\uff09<\/strong><\/td>Low 10-20<\/td>High 100<\/td>High 100<\/td><\/tr>
Real server gateway<\/strong><\/td>Load balance<\/td>Own router<\/td>Own router<\/td><\/tr>
\u4f18\u70b9<\/strong><\/td>\u5730\u5740\u548c\u7aef\u53e3\u8f6c\u6362<\/td>Wan\u73af\u5883\u52a0\u5bc6\u6570\u636e<\/td>\u6027\u80fd\u6700\u9ad8<\/td><\/tr>
\u7f3a\u70b9<\/strong><\/td>\u6548\u7387\u4f4e<\/td>\u9700\u8981\u96a7\u9053\u652f\u6301<\/td>\u4e0d\u80fd\u8de8\u57dfLAN<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7b97\u6cd5<\/p>\n\n\n\n

       LVS\u76ee\u524d\u5b9e\u73b0\u4e8610\u79cd\u8c03\u5ea6\u7b97\u6cd5<\/p>\n\n\n\n

       \u5e38\u7528\u8c03\u5ea6\u7b97\u6cd5\u67094\u79cd<\/p>\n\n\n\n

              \u8f6e\u5faa(Round Robin)<\/p>\n\n\n\n

              \u52a0\u6743\u8f6e\u5faa\uff08Weighted Round Robin\uff09<\/p>\n\n\n\n

              \u6700\u5c11\u8fde\u63a5\uff08Least Connections\uff09<\/p>\n\n\n\n

              \u52a0\u6743\u6700\u5c11\u8f6e\u5faa<\/p>\n\n\n\n

              \u6e90\u5730\u5740\u6563\u5217<\/p>\n\n\n\n

              \u76ee\u6807\u5730\u5740\u6563\u5217<\/p>\n\n\n\n

<\/td>\u6548\u7387\u4f4e<\/td>\u9700\u8981\u96a7\u9053\u652f\u6301<\/td>\u4e0d\u80fd\u8de8\u57dfLAN<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6700\u597d\u53c2\u8003\u6b64\u6587\u7ae0\uff1ahttp:\/\/www.linuxvirtualserver.org\/zh\/lvs4.html<\/p>\n\n\n\n

Lvs\u7684\u8c03\u5ea6\u7b97\u6cd5\u51b3\u5b9a\u4e86\u5982\u4f55\u5728\u96c6\u7fa4\u8282\u70b9\u4e4b\u95f4\u5206\u5e03\u5de5\u4f5c\u8d1f\u8377\u3002\u5f53director\u8c03\u5ea6\u5668\u6536\u5230\u6765\u81ea\u5ba2\u6237\u7aef\u8bbf\u95eeVIP\u7684\u4e0a\u7684\u96c6\u7fa4\u670d\u52a1\u7684\u5165\u7ad9\u8bf7\u6c42\u65f6\uff0cdirector\u8c03\u5ea6\u5668\u5fc5\u987b\u51b3\u5b9a\u54ea\u4e2a\u96c6\u7fa4\u8282\u70b9\u5e94\u8be5\u5904\u7406\u8bf7\u6c42\u3002Director\u8c03\u5ea6\u5668\u7528\u7684\u8c03\u5ea6\u65b9\u6cd5\u57fa\u672c\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n\n\n\n

\u56fa\u5b9a\u8c03\u5ea6\u7b97\u6cd5\uff1arr\uff0cwrr\uff0cdh\uff0csh<\/p>\n\n\n\n

\u52a8\u6001\u8c03\u5ea6\u7b97\u6cd5\uff1awlc\uff0clc\uff0clblc\uff0clblcr<\/p>\n\n\n\n

\u7b97\u6cd5<\/td>\u8bf4\u660e<\/td><\/tr>
rr<\/td>\u8f6e\u8be2\u7b97\u6cd5\uff0c\u5b83\u5c06\u8bf7\u6c42\u4f9d\u6b21\u5206\u914d\u7ed9\u4e0d\u540c\u7684rs\u8282\u70b9\uff0c\u4e5f\u5c31\u662fRS\u8282\u70b9\u4e2d\u5747\u644a\u5206\u914d\u3002\u8fd9\u79cd\u7b97\u6cd5\u7b80\u5355\uff0c\u4f46\u53ea\u9002\u5408\u4e8eRS\u8282\u70b9\u5904\u7406\u6027\u80fd\u5dee\u4e0d\u591a\u7684\u60c5\u51b5<\/td><\/tr>
wrr<\/td>\u52a0\u6743\u8f6e\u8bad\u8c03\u5ea6\uff0c\u5b83\u5c06\u4f9d\u636e\u4e0d\u540cRS\u7684\u6743\u503c\u5206\u914d\u4efb\u52a1\u3002\u6743\u503c\u8f83\u9ad8\u7684RS\u5c06\u4f18\u5148\u83b7\u5f97\u4efb\u52a1\uff0c\u5e76\u4e14\u5206\u914d\u5230\u7684\u8fde\u63a5\u6570\u5c06\u6bd4\u6743\u503c\u4f4e\u7684RS\u66f4\u591a\u3002\u76f8\u540c\u6743\u503c\u7684RS\u5f97\u5230\u76f8\u540c\u6570\u76ee\u7684\u8fde\u63a5\u6570\u3002<\/td><\/tr>
Wlc<\/td>\u52a0\u6743\u6700\u5c0f\u8fde\u63a5\u6570\u8c03\u5ea6\uff0c\u5047\u8bbe\u5404\u53f0RS\u7684\u5168\u804c\u4f9d\u6b21\u4e3aWi\uff0c\u5f53\u524dtcp\u8fde\u63a5\u6570\u4f9d\u6b21\u4e3aTi\uff0c\u4f9d\u6b21\u53bbTi\/Wi\u4e3a\u6700\u5c0f\u7684RS\u4f5c\u4e3a\u4e0b\u4e00\u4e2a\u5206\u914d\u7684RS<\/td><\/tr>
Dh<\/td>\u76ee\u7684\u5730\u5740\u54c8\u5e0c\u8c03\u5ea6\uff08destination hashing\uff09\u4ee5\u76ee\u7684\u5730\u5740\u4e3a\u5173\u952e\u5b57\u67e5\u627e\u4e00\u4e2a\u9759\u6001hash\u8868\u6765\u83b7\u5f97\u9700\u8981\u7684RS<\/td><\/tr>
SH<\/td>\u6e90\u5730\u5740\u54c8\u5e0c\u8c03\u5ea6\uff08source hashing\uff09\u4ee5\u6e90\u5730\u5740\u4e3a\u5173\u952e\u5b57\u67e5\u627e\u4e00\u4e2a\u9759\u6001hash\u8868\u6765\u83b7\u5f97\u9700\u8981\u7684RS<\/td><\/tr>
Lc<\/td>\u6700\u5c0f\u8fde\u63a5\u6570\u8c03\u5ea6\uff08least-connection\uff09,IPVS\u8868\u5b58\u50a8\u4e86\u6240\u6709\u6d3b\u52a8\u7684\u8fde\u63a5\u3002LB\u4f1a\u6bd4\u8f83\u5c06\u8fde\u63a5\u8bf7\u6c42\u53d1\u9001\u5230\u5f53\u524d\u8fde\u63a5\u6700\u5c11\u7684RS.<\/td><\/tr>
Lblc<\/td>\u57fa\u4e8e\u5730\u5740\u7684\u6700\u5c0f\u8fde\u63a5\u6570\u8c03\u5ea6\uff08locality-based least-connection\uff09\uff1a\u5c06\u6765\u81ea\u540c\u4e00\u4e2a\u76ee\u7684\u5730\u5740\u7684\u8bf7\u6c42\u5206\u914d\u7ed9\u540c\u4e00\u53f0RS\uff0c\u6b64\u65f6\u8fd9\u53f0\u670d\u52a1\u5668\u662f\u5c1a\u672a\u6ee1\u8d1f\u8377\u7684\u3002\u5426\u5219\u5c31\u5c06\u8fd9\u4e2a\u8bf7\u6c42\u5206\u914d\u7ed9\u8fde\u63a5\u6570\u6700\u5c0f\u7684RS\uff0c\u5e76\u4ee5\u5b83\u4f5c\u4e3a\u4e0b\u4e00\u6b21\u5206\u914d\u7684\u9996\u5148\u8003\u8651\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

LVS<\/strong>\u8c03\u5ea6\u7b97\u6cd5\u7684\u751f\u4ea7\u73af\u5883\u9009\u578b\uff1a<\/strong><\/p>\n\n\n\n

1\u3001\u4e00\u822c\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u5982http\uff0cmail\uff0cmysql\u7b49\u5e38\u7528\u7684LVS\u8c03\u5ea6\u7b97\u6cd5\u4e3a\uff1a<\/p>\n\n\n\n

a.\u57fa\u672c\u8f6e\u8be2\u8c03\u5ea6rr<\/p>\n\n\n\n

b.\u52a0\u6743\u6700\u5c0f\u8fde\u63a5\u8c03\u5ea6wlc<\/p>\n\n\n\n

c.\u52a0\u6743\u8f6e\u8be2\u8c03\u5ea6wrc<\/p>\n\n\n\n

2\u3001\u57fa\u4e8e\u5c40\u90e8\u6027\u7684\u6700\u5c0f\u8fde\u63a5lblc\u548c\u5e26\u590d\u5236\u7684\u7ed9\u4e88\u5c40\u90e8\u6027\u6700\u5c0f\u8fde\u63a5lblcr\u4e3b\u8981\u9002\u7528\u4e8eweb cache\u548cDB cache<\/p>\n\n\n\n

3\u3001\u6e90\u5730\u5740\u6563\u5217\u8c03\u5ea6SH\u548c\u76ee\u6807\u5730\u5740\u6563\u5217\u8c03\u5ea6DH\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\u5728\u9632\u706b\u5899\u96c6\u7fa4\u4e2d\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6574\u4e2a\u7cfb\u7edf\u7684\u51fa\u5165\u53e3\u552f\u4e00\u3002<\/p>\n\n\n\n

\u5b9e\u9645\u9002\u7528\u4e2d\u8fd9\u4e9b\u7b97\u6cd5\u7684\u9002\u7528\u8303\u56f4\u5f88\u591a\uff0c\u5de5\u4f5c\u4e2d\u6700\u597d\u53c2\u8003\u5185\u6838\u4e2d\u7684\u8fde\u63a5\u8c03\u5ea6\u7b97\u6cd5\u7684\u5b9e\u73b0\u539f\u7406\uff0c\u7136\u540e\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u5408\u7406\u7684\u9009\u578b\u3002<\/p>\n\n\n\n

\u5b89\u88c5\u524d\u51c6\u5907<\/p>\n\n\n\n

       LVS\u7684IP\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u662f\u901a\u8fc7IPVS\u6a21\u5757\u5b9e\u73b0\u7684<\/p>\n\n\n\n

       IPVS\u6a21\u5757\u5df2\u6210\u4e3aLinux\u7ec4\u6210\u90e8\u5206<\/p>\n\n\n\n

       grep -i \u2018ipvs\u2019 \/boot\/config-2.6.32-358.el6.x86_64<\/p>\n\n\n\n

              # IPVS transport protocol load balancing support<\/p>\n\n\n\n

              # IPVS scheduler<\/p>\n\n\n\n

              # IPVS application helper<\/p>\n\n\n\n

       \u5b89\u88c5ipvsadm<\/p>\n\n\n\n

              yum -y install ipvsadm<\/p>\n\n\n\n

\u914d\u7f6emysql\u670d\u52a1\u5668<\/p>\n\n\n\n

       1.yum -y install mysql mysql-server<\/p>\n\n\n\n

       service mysql start<\/p>\n\n\n\n

       chkconfig mysql on<\/p>\n\n\n\n

       msyql> grant on *.* to zhn@ip identified by xxx<\/p>\n\n\n\n

\u4e09\u914d\u7f6eweb\u670d\u52a1\u5668<\/p>\n\n\n\n

       1.\u5728\u4e24\u53f0web\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u5e76\u542f\u52a8<\/p>\n\n\n\n

              yum -y install heepd php php-mysql<\/p>\n\n\n\n

              service httpd start<\/p>\n\n\n\n

       2.\u5728\u7b2c\u4e00\u53f0web\u670d\u52a1\u5668\u5b89\u88c5\u5e76\u914d\u7f6e<\/p>\n\n\n\n

              cd \/var\/www\/html\/bbs<\/p>\n\n\n\n

              chmod 777 `awk '{print $1}' ..\/prm.txt`<\/p>\n\n\n\n

       3.\u51c6\u5907\u7b2c\u4e8c\u53f0\u670d\u52a1\u5668<\/p>\n\n\n\n

              \u5c06\u7b2c\u4e00\u53f0web\u7684bbs\u76ee\u5f55\u6253\u5305\u62f7\u8d1d\u5230\u7b2c\u4e8c\u53f0\u4e0a<\/p>\n\n\n\n

\u56db\u3001\u51c6\u5907\u4e00\u53f0\u865a\u62df\u673a\uff0c\u7528\u4e8e\u8c03\u5ea6\u5668<\/p>\n\n\n\n

       1\u3001\u521d\u59cb\u914d\u7f6e<\/p>\n\n\n\n

              node5\uff1anode5.xkops.com 192.168.4.50\/24<\/p>\n\n\n\n

       2.\u914d\u7f6eYUM\uff0c\u4f7f\u7528\u5149\u76d8\u7684LoadBalancer\u4ed3\u5e93<\/p>\n\n\n\n

       3.\u5b89\u88c5<\/p>\n\n\n\n

              yum -y install ipvsadm<\/p>\n\n\n\n

       4.\u914d\u7f6eweb\u670d\u52a1\u5668\u7f51\u5173\u6307\u5411\u8c03\u5ea6\u5668\u5185\u90e8\u7f51\u5361IP<\/p>\n\n\n\n

       5.\u914d\u7f6e\u8c03\u5ea6\u5668\uff0c\u4e3a\u5b83\u914d\u7f6e201.1.1.4\/24\uff0c\u5e76\u6253\u5f00ip_forward<\/p>\n\n\n\n

              vim \/etc\/sysctl.conf<\/p>\n\n\n\n

                     net.ipvs.ip_forward=1<\/p>\n\n\n\n

              sysctl -p<\/p>\n\n\n\n

              cat \/proc\/sys\/net\/ipv4\/ip_forward<\/p>\n\n\n\n

              ipvsadm -A -t 201.1.1.4:80 -s rr<\/p>\n\n\n\n

              ipvsadm -a -t 201.1.1.4:80 -r 192.168.4.2 -m<\/p>\n\n\n\n

              ipvsadm -a -t 201.1.1.4:80 -r 192.168.4.3 -m -w 2<\/p>\n\n\n\n

              ipvsadm -Ln<\/p>\n\n\n\n

              ipvsadm -E -t 201.1.1.50:80  -s wrr<\/p>\n\n\n\n

              ipvsadm -d -t 201.1.1.50:80 -r 192.168.4.3<\/p>\n\n\n\n

       \/etc\/init.d\/ipvsadm save<\/p>\n\n\n\n

\u4e94\u3001\u914d\u7f6eLVS FR\u914d\u7f6e<\/p>\n\n\n\n

       1.\u628a\u8c03\u5ea6\u5668201.1.1.4\u5220\u9664<\/p>\n\n\n\n

              \u5c06ifcfg-eth2\u7684IP\u5730\u5740\u548c\u5b50\u7f51\u5220\u9664\uff0c\u91cd\u542f\u7f51\u7edc<\/p>\n\n\n\n

       2.\u5728\u8c03\u5ea6\u5668eth0\u4e0a\u914d\u7f6evip 192.168.4.100<\/p>\n\n\n\n

              cp \/etc\/sysconfig\/network-scripts\/ifcfg-eth0{,:0}<\/p>\n\n\n\n

              vim \/etc\/sysconfig\/network-scripts\/ifcfg-eth0:0\u4fee\u6539<\/p>\n\n\n\n

                     DEVICE=eth0\uff1a0<\/p>\n\n\n\n

                     ipaddr=192.168.4.100<\/p>\n\n\n\n

       3.\u5728\u4e24\u53f0web\u670d\u52a1\u5668\u7684lo\u4e0a\u914d\u7f6eVIP192.168.4.100\/32<\/p>\n\n\n\n

              cp \/etc\/sysconfig\/network-scripts\/ifcfg-lo{,:0}<\/p>\n\n\n\n

              vim \/etc\/sysconfig\/network-scripts\/ifcfg-lo:0<\/p>\n\n\n\n

                     DEVICE=lo:0<\/p>\n\n\n\n

                     IPADDR=192.168.4.100<\/p>\n\n\n\n

                     NETMASKE=255.255.255.255<\/p>\n\n\n\n

                     NETWORK=192.168.4.100<\/p>\n\n\n\n

                     BROADCAST=192.168.4.100<\/p>\n\n\n\n

       sysctl -a | grep arp<\/p>\n\n\n\n

              ehco \"net.ipv4.conf.all.arp_ignore = 1\" >> \/etc\/sysctl.conf<\/p>\n\n\n\n

              ehco \"net.ipv4.conf.lo.arp_ignore = 1 \" >> \/etc\/sysctl.conf<\/p>\n\n\n\n

              ehco \"net.ipv4.conf.all.arp_announce = 2 \" >> \/etc\/sysctl.conf<\/p>\n\n\n\n

              ehco \"net.ipv4.conf.lo.arp_announce = 2\" >> \/etc\/sysctl.conf<\/p>\n\n\n\n

       5.\u914d\u7f6elvs\u89c4\u5219<\/p>\n\n\n\n

              ipvsadm -A -t 192.168.4.100:80 -s wlc<\/p>\n\n\n\n

              ipvsadm -a -t 192.168.4.100\uff1a80 -r 192.168.4.30<\/p>\n\n\n\n

              ipvsadm -a -t 192.168.4.100\uff1a80 -r 192.168.4.40 -g -w 2<\/p>\n\n\n\n

       6.\u6d4b\u8bd5\uff0c\u7269\u7406\u4e3b\u673a\u4e0a\u53ef\u4ee5\u8fd0\u884c<\/p>\n\n\n\n

              ab -n 1000 -c 10 http:\/\/192.168.4.100\/<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4ec0\u4e48\u662f\u96c6\u7fa4 \u4e00\u7ec4\u901a\u8fc7\u9ad8\u901f\u7f51\u7edc\u4e92\u8054\u7684\u8ba1\u7b97\u7ec4\uff0c\u5e76\u4ee5\u5355\u4e00\u7cfb\u7edf\u7684\u6a21\u5f0f\u52a0\u4ee5\u7ba1\u7406 \u5c06\u5f88\u591a\u670d\u52a1\u5668\u96c6\u4e2d\u8d77\u6765\u4e00\u8d77\uff0c\u63d0\u4f9b\u540c\u4e00\u79cd\u670d\u52a1\uff0c\u5728\u5ba2\u6237\u7aef\u770b\u6765\u5c31\u50cf\u662f …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1312"}],"collection":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1312"}],"version-history":[{"count":1,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1312\/revisions"}],"predecessor-version":[{"id":1355,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1312\/revisions\/1355"}],"wp:attachment":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}