{"id":17192,"date":"2025-04-18T23:38:53","date_gmt":"2025-04-18T15:38:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/17192.html"},"modified":"2025-04-18T23:38:53","modified_gmt":"2025-04-18T15:38:53","slug":"%e4%b8%89%e5%8f%b0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%90%9e%e5%ae%9aoracle%e9%ab%98%e5%8f%af%e7%94%a8%ef%bc%9f%e6%8f%ad%e7%a7%98%e4%bd%8e%e6%88%90%e6%9c%acha%e9%9b%86%e7%be%a4%e7%9a%84%e7%a7%98%e5%af%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/17192.html","title":{"rendered":"\u4e09\u53f0\u670d\u52a1\u5668\u641e\u5b9aOracle\u9ad8\u53ef\u7528\uff1f\u63ed\u79d8\u4f4e\u6210\u672cHA\u96c6\u7fa4\u7684\u79d8\u5bc6\u6b66\u5668"},"content":{"rendered":"<h3>\u4e0d\u7528\u5171\u4eab\u5b58\u50a8&#xff0c;\u4e5f\u80fd\u5b9e\u73b0\u81ea\u52a8\u6545\u969c\u8f6c\u79fb&#xff1f;IT\u8001\u53f8\u673a\u6559\u4f60\u73a9\u8f6cData Guard<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418153852-6802720c8fb6a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u9996\u5148\u9488\u5bf9\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u9ad8\u53ef\u7528\u6027&#xff08;HA&#xff09;\u67b6\u6784\u8bbe\u8ba1&#xff0c;\u4ee5\u4e0b\u4ece\u4f20\u7edf\u65b9\u6848\u7684\u5fc5\u8981\u6027\u548c\u4f4e\u6210\u672c\u66ff\u4ee3\u65b9\u6848\u4e24\u65b9\u9762\u8fdb\u884c\u89e3\u6790&#xff1a; \u5728\u7b2c\u4e94\u7ae0\u8282\u4f1a\u89e3\u91ca\u4e09\u53f0\u670d\u52a1\u5668\u641e\u5b9aOracle\u9ad8\u53ef\u7528 without rac and OS HA\u4e2d\u95f4\u4ef6\u3002 \u4e5f\u53ea\u80fd\u9002\u5408\u4e00\u4e9b\u5c0f\u578b\u9879\u76ee&#xff0c;\u4ee5\u53ca\u5bf9\u7a33\u5b9a\u6027\u8981\u6c42\u4e0d\u662f\u90a3\u4e48\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<hr \/>\n<h4>\u4e00\u3001\u4e3a\u4ec0\u4e48\u4f20\u7edf\u65b9\u6848\u9700\u89812\u8282\u70b9&#043;\u5171\u4eab\u5b58\u50a8&#xff1f;<\/h4>\n<h5>1. \u6d88\u9664\u5355\u70b9\u6545\u969c&#xff08;SPOF&#xff09;<\/h5>\n<ul>\n<li>\u8ba1\u7b97\u8282\u70b9\u5197\u4f59&#xff1a;\u4e24\u53f0\u670d\u52a1\u5668&#xff08;Node1\u548cNode2&#xff09;\u5206\u522b\u4f5c\u4e3a\u4e3b\u5907\u8282\u70b9\u3002\u82e5\u4e3b\u8282\u70b9\u6545\u969c&#xff0c;\u5907\u7528\u8282\u70b9\u53ef\u63a5\u7ba1\u670d\u52a1\u3002<\/li>\n<li>\u5b58\u50a8\u5197\u4f59&#xff1a;\u5171\u4eab\u5b58\u50a8&#xff08;\u5982SAN\/NAS&#xff09;\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027&#xff0c;\u907f\u514d\u56e0\u672c\u5730\u78c1\u76d8\u6545\u969c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/li>\n<li>\u7f51\u7edc\u5197\u4f59&#xff1a;\u901a\u8fc7\u865a\u62dfIP&#xff08;VIP&#xff09;\u548c\u5fc3\u8df3\u7ebf&#xff08;Heartbeat&#xff09;\u5b9e\u73b0\u7f51\u7edc\u8def\u5f84\u7684\u6545\u969c\u5207\u6362\u3002<\/li>\n<\/ul>\n<h5>2. \u6570\u636e\u4e00\u81f4\u6027\u4e0e\u5feb\u901f\u5207\u6362<\/h5>\n<ul>\n<li>\u5171\u4eab\u5b58\u50a8\u7684\u4f5c\u7528&#xff1a;\u4e3b\u5907\u8282\u70b9\u901a\u8fc7\u5171\u4eab\u5b58\u50a8\u8bbf\u95ee\u540c\u4e00\u4efd\u6570\u636e&#xff0c;\u65e0\u9700\u5b9e\u65f6\u6570\u636e\u540c\u6b65&#xff0c;\u964d\u4f4e\u5207\u6362\u65f6\u56e0\u6570\u636e\u4e0d\u4e00\u81f4\u5bfc\u81f4\u7684\u670d\u52a1\u4e2d\u65ad\u98ce\u9669\u3002<\/li>\n<li>\u6545\u969c\u8f6c\u79fb\u65f6\u95f4\u77ed&#xff1a;\u5171\u4eab\u5b58\u50a8\u67b6\u6784\u4e0b&#xff0c;\u5907\u7528\u8282\u70b9\u53ef\u76f4\u63a5\u6302\u8f7d\u5b58\u50a8\u5e76\u542f\u52a8\u670d\u52a1&#xff0c;\u901a\u5e38\u5207\u6362\u65f6\u95f4\u5728\u79d2\u7ea7&#xff08;\u5982Oracle RAC\u6216\u7b2c\u4e09\u65b9\u96c6\u7fa4\u8f6f\u4ef6&#xff09;\u3002<\/li>\n<\/ul>\n<h5>3. Oracle Active\/Standby \u573a\u666f\u7684\u7279\u6b8a\u6027<\/h5>\n<ul>\n<li>Oracle\u6570\u636e\u5e93\u7684\u5c40\u9650\u6027&#xff1a;\u4f20\u7edfOracle\u5355\u5b9e\u4f8b\u6570\u636e\u5e93\u4e0d\u652f\u6301\u591a\u8282\u70b9\u5e76\u53d1\u5199\u5165&#xff0c;\u9700\u901a\u8fc7\u5171\u4eab\u5b58\u50a8\u5b9e\u73b0\u4e3b\u5907\u5207\u6362&#xff08;\u5982Oracle Data Guard Physical Standby\u9700\u914d\u5408\u5b58\u50a8\u5c42\u5197\u4f59&#xff09;\u3002<\/li>\n<li>\u81ea\u52a8Failover\u4f9d\u8d56\u6761\u4ef6&#xff1a;\u9700\u96c6\u7fa4\u7ba1\u7406\u8f6f\u4ef6&#xff08;\u5982Oracle Clusterware\u3001Pacemaker&#xff09;\u76d1\u63a7\u8282\u70b9\u72b6\u6001\u5e76\u89e6\u53d1\u5207\u6362&#xff0c;\u5171\u4eab\u5b58\u50a8\u7b80\u5316\u4e86\u6570\u636e\u8def\u5f84\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>\u4e8c\u3001\u4f4e\u6210\u672c\u9ad8\u53ef\u7528\u65b9\u6848\u8bbe\u8ba1<\/h4>\n<p>\u82e5\u9884\u7b97\u6709\u9650&#xff0c;\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4f18\u5316\u67b6\u6784&#xff0c;\u964d\u4f4e\u786c\u4ef6\u548c\u8f6f\u4ef6\u6210\u672c&#xff1a;<\/p>\n<h5>1. \u5b58\u50a8\u5c42\u66ff\u4ee3\u65b9\u6848<\/h5>\n<ul>\n<li>\n<p>\u65b9\u68481&#xff1a;\u57fa\u4e8e\u7f51\u7edc\u7684\u5757\u5b58\u50a8\u540c\u6b65&#xff08;DRBD&#xff09;<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\u901a\u8fc7DRBD&#xff08;Distributed Replicated Block Device&#xff09;\u5728\u4e24\u53f0\u670d\u52a1\u5668\u7684\u672c\u5730\u78c1\u76d8\u95f4\u5b9e\u73b0\u5757\u7ea7\u540c\u6b65&#xff0c;\u65e0\u9700\u5171\u4eab\u5b58\u50a8\u786c\u4ef6\u3002<\/li>\n<li>\u4f18\u70b9&#xff1a;\u6210\u672c\u4f4e&#xff0c;\u4ec5\u9700\u666e\u901a\u670d\u52a1\u5668\u548c\u7f51\u7edc\u5e26\u5bbd\u3002<\/li>\n<li>\u7f3a\u70b9&#xff1a;\n<ul>\n<li>\u540c\u6b65\u6a21\u5f0f&#xff08;\u5f02\u6b65\/\u540c\u6b65&#xff09;\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n<li>\u9700\u989d\u5916\u914d\u7f6e\u8111\u88c2\u5904\u7406&#xff08;\u5982Quorum Disk\u6216\u7b2c\u4e09\u65b9\u4ef2\u88c1\u670d\u52a1&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9002\u7528\u573a\u666f&#xff1a;\u4e2d\u5c0f\u578b\u6570\u636e\u5e93&#xff0c;\u5bf9I\/O\u5ef6\u8fdf\u4e0d\u654f\u611f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u65b9\u68482&#xff1a;\u57fa\u4e8e\u5e94\u7528\u5c42\u7684\u6570\u636e\u590d\u5236&#xff08;Oracle Data Guard&#xff09;<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\u4f7f\u7528Oracle Data Guard\u5b9e\u73b0\u65e5\u5fd7\u4f20\u8f93&#xff08;Redo Log Shipping&#xff09;&#xff0c;\u5907\u5e93\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u8fd0\u884c\u3002<\/li>\n<li>\u4f18\u70b9&#xff1a;\n<ul>\n<li>\u65e0\u9700\u5171\u4eab\u5b58\u50a8&#xff0c;\u964d\u4f4e\u786c\u4ef6\u6210\u672c\u3002<\/li>\n<li>\u652f\u6301\u5f02\u5730\u5bb9\u707e&#xff08;\u5907\u8282\u70b9\u53ef\u8de8\u673a\u623f\u90e8\u7f72&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9&#xff1a;\n<ul>\n<li>Failover\u540e\u9700\u624b\u52a8\u6216\u534a\u81ea\u52a8\u5207\u6362&#xff08;\u53ef\u901a\u8fc7Fast-Start Failover\u5b9e\u73b0\u81ea\u52a8\u5316&#xff09;\u3002<\/li>\n<li>\u540c\u6b65\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u5c11\u91cf\u6570\u636e\u4e22\u5931&#xff08;\u53d6\u51b3\u4e8e\u914d\u7f6e\u6a21\u5f0f&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. \u8ba1\u7b97\u5c42\u4f18\u5316<\/h5>\n<ul>\n<li>\n<p>\u4f7f\u7528\u8f7b\u91cf\u7ea7\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177<\/p>\n<ul>\n<li>\u5de5\u5177\u9009\u62e9&#xff1a;Corosync&#043;Pacemaker&#xff08;\u5f00\u6e90&#xff09;\u6216Keepalived&#xff08;\u7b80\u5355VIP\u6f02\u79fb&#xff09;\u3002<\/li>\n<li>\u529f\u80fd&#xff1a;\u76d1\u63a7\u8282\u70b9\u72b6\u6001\u3001\u7ba1\u7406\u8d44\u6e90&#xff08;\u5982VIP\u3001Oracle\u670d\u52a1&#xff09;\u3001\u89e6\u53d1\u81ea\u52a8\u5207\u6362\u3002<\/li>\n<li>\u6210\u672c&#xff1a;\u514d\u8d39&#xff0c;\u4f46\u9700\u4e00\u5b9a\u7684\u914d\u7f6e\u548c\u7ef4\u62a4\u7ecf\u9a8c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u865a\u62df\u5316\u5c42HA<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\u5728\u865a\u62df\u5316\u5e73\u53f0&#xff08;\u5982Proxmox VE\u3001VMware vSphere&#xff09;\u4e2d\u90e8\u7f72Oracle\u865a\u62df\u673a&#xff0c;\u5229\u7528\u865a\u62df\u5316\u5c42\u7684HA\u529f\u80fd\u5b9e\u73b0\u6545\u969c\u8fc1\u79fb\u3002<\/li>\n<li>\u4f18\u70b9&#xff1a;\u65e0\u9700\u5e94\u7528\u5c42\u914d\u7f6e&#xff0c;\u4f9d\u8d56\u865a\u62df\u5316\u5e73\u53f0\u7684\u6210\u719fHA\u673a\u5236\u3002<\/li>\n<li>\u7f3a\u70b9&#xff1a;\u9700\u5171\u4eab\u5b58\u50a8\u652f\u6301\u865a\u62df\u673a\u6587\u4ef6&#xff08;\u53ef\u901a\u8fc7Ceph\/GlusterFS\u7b49\u5206\u5e03\u5f0f\u5b58\u50a8\u66ff\u4ee3&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>3. \u7f51\u7edc\u5c42\u7b80\u5316<\/h5>\n<ul>\n<li>VIP\u6f02\u79fb\u4ee3\u66ff\u590d\u6742\u8def\u7531\n<ul>\n<li>\u4f7f\u7528Keepalived\u5b9e\u73b0VIP\u5728\u4e24\u8282\u70b9\u95f4\u6f02\u79fb&#xff0c;\u5ba2\u6237\u7aef\u901a\u8fc7VIP\u8bbf\u95ee\u670d\u52a1&#xff0c;\u65e0\u9700\u4f9d\u8d56DNS\u6216\u8d1f\u8f7d\u5747\u8861\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u4e09\u3001\u65b9\u6848\u5bf9\u6bd4\u4e0e\u9009\u62e9\u5efa\u8bae<\/h4>\n<table>\n<tr>\u65b9\u6848\u6210\u672c\u590d\u6742\u5ea6\u5207\u6362\u65f6\u95f4\u6570\u636e\u4e00\u81f4\u6027\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u4f20\u7edf\u5171\u4eab\u5b58\u50a8&#043;2\u8282\u70b9<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u79d2\u7ea7<\/td>\n<td>\u5f3a\u4e00\u81f4\u6027<\/td>\n<td>\u5173\u952e\u4e1a\u52a1&#xff0c;\u9884\u7b97\u5145\u8db3<\/td>\n<\/tr>\n<tr>\n<td>DRBD&#043;2\u8282\u70b9<\/td>\n<td>\u4f4e<\/td>\n<td>\u9ad8<\/td>\n<td>\u79d2\u7ea7<\/td>\n<td>\u4f9d\u8d56\u540c\u6b65\u6a21\u5f0f<\/td>\n<td>\u4e2d\u5c0f\u89c4\u6a21&#xff0c;\u6280\u672f\u80fd\u529b\u8f83\u5f3a<\/td>\n<\/tr>\n<tr>\n<td>Oracle Data Guard<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e2d<\/td>\n<td>\u5206\u949f\u7ea7<\/td>\n<td>\u6700\u7ec8\u4e00\u81f4\u6027<\/td>\n<td>\u5141\u8bb8\u77ed\u6682\u5ef6\u8fdf&#xff0c;\u5f02\u5730\u5bb9\u707e<\/td>\n<\/tr>\n<tr>\n<td>\u865a\u62df\u5316HA&#043;\u5206\u5e03\u5f0f\u5b58\u50a8<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<td>\u5206\u949f\u7ea7<\/td>\n<td>\u4f9d\u8d56\u5b58\u50a8\u5c42<\/td>\n<td>\u5df2\u6709\u865a\u62df\u5316\u73af\u5883&#xff0c;\u975e\u5b9e\u65f6\u4e1a\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u56db\u3001\u5b9e\u65bd\u6ce8\u610f\u4e8b\u9879<\/h4>\n<li>\u8111\u88c2&#xff08;Split-Brain&#xff09;\u9632\u62a4&#xff1a;\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u65b9\u6848&#xff0c;\u9700\u914d\u7f6e\u4ef2\u88c1\u673a\u5236&#xff08;\u5982\u7b2c\u4e09\u65b9\u8282\u70b9\u3001\u78c1\u76d8\u9501\u3001\u4e91\u670d\u52a1API\u63a2\u9488&#xff09;\u3002<\/li>\n<li>\u6d4b\u8bd5\u9a8c\u8bc1&#xff1a;\u5b9a\u671f\u6a21\u62df\u6545\u969c&#xff08;\u5982\u65ad\u7535\u3001\u7f51\u7edc\u9694\u79bb&#xff09;&#xff0c;\u9a8c\u8bc1\u81ea\u52a8\u5207\u6362\u6d41\u7a0b\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u5907\u4efd\u4e0e\u65e5\u5fd7&#xff1a;\u5373\u4f7f\u5b9e\u73b0HA&#xff0c;\u4ecd\u9700\u5b9a\u671f\u5907\u4efd\u548c\u5f52\u6863\u65e5\u5fd7&#xff0c;\u9632\u6b62\u903b\u8f91\u9519\u8bef\u6216\u7ea7\u8054\u6545\u969c\u3002<\/li>\n<hr \/>\n<p>\u901a\u8fc7\u7075\u6d3b\u7ec4\u5408\u4e0a\u8ff0\u65b9\u6848&#xff0c;\u53ef\u5728\u63a7\u5236\u6210\u672c\u7684\u524d\u63d0\u4e0b\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\u3002\u82e5\u8ffd\u6c42\u6781\u81f4\u4f4e\u6210\u672c&#xff0c;\u63a8\u8350\u91c7\u7528 DRBD&#043;Corosync\/Pacemaker&#043;Oracle\u5355\u5b9e\u4f8b \u67b6\u6784&#xff0c;\u4f46\u9700\u6295\u5165\u66f4\u591a\u65f6\u95f4\u8fdb\u884c\u8c03\u4f18\u548c\u8fd0\u7ef4\u3002<\/p>\n<p>\u4e09\u53f0\u670d\u52a1\u5668\u548cOracle Data Guard\u6765\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u7684\u6570\u636e\u5e93\u96c6\u7fa4\u3002\u8fd9\u79cd\u65b9\u6848\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u662f\u53ef\u884c\u7684&#xff0c;\u5c24\u5176\u662f\u5728\u9884\u7b97\u6709\u9650\u6216\u5e0c\u671b\u5145\u5206\u5229\u7528\u73b0\u6709\u786c\u4ef6\u8d44\u6e90\u65f6\u3002<\/p>\n<hr \/>\n<h4>\u4e94\u3001\u4e09\u53f0\u670d\u52a1\u5668\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa4\u7684\u65b9\u6848\u8bbe\u8ba1\u8be6\u89e3&#xff08;\u5373\u4e0d\u4f7f\u7528\u5171\u4eab\u5b58\u50a8&#xff0c;\u4e5f\u4e0d\u4f7f\u7528RAC&#xff09;<\/h4>\n<p>\u4e09\u53f0\u670d\u52a1\u5668\u548cOracle Data Guard\u6765\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u7684\u6570\u636e\u5e93\u96c6\u7fa4\u3002\u8fd9\u79cd\u65b9\u6848\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u662f\u53ef\u884c\u7684&#xff0c;\u5c24\u5176\u662f\u5728\u9884\u7b97\u6709\u9650\u6216\u5e0c\u671b\u5145\u5206\u5229\u7528\u73b0\u6709\u786c\u4ef6\u8d44\u6e90\u65f6\u3002<\/p>\n<h4>\u65b9\u6848\u6982\u8ff0<\/h4>\n<p>\u4e09\u53f0\u670d\u52a1\u5668\u7684\u89d2\u8272\u53ef\u4ee5\u662f\u8fd9\u6837\u5206\u914d\u7684&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u53f0\u670d\u52a1\u5668\u4f5c\u4e3a\u4e3b\u8282\u70b9&#xff1a;\u8fd0\u884c\u4e3b\u6570\u636e\u5e93&#xff08;Primary Database&#xff09;\u3002<\/li>\n<li>\u4e00\u53f0\u670d\u52a1\u5668\u4f5c\u4e3a\u5907\u8282\u70b9&#xff1a;\u8fd0\u884c\u5907\u6570\u636e\u5e93&#xff08;Standby Database&#xff09;&#xff0c;\u7528\u4e8e\u9ad8\u53ef\u7528\u6027\u548c\u6545\u969c\u8f6c\u79fb\u3002<\/li>\n<li>\u4e00\u53f0\u670d\u52a1\u5668\u4f5c\u4e3a\u5b58\u50a8\u8282\u70b9&#xff1a;\u4ee3\u66ff\u4f20\u7edf\u5171\u4eab\u5b58\u50a8&#xff0c;\u63d0\u4f9b\u6570\u636e\u5e93\u6587\u4ef6\u5b58\u50a8\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7Oracle Data Guard&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u4e3b\u5907\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u540c\u6b65\u548c\u9ad8\u53ef\u7528\u6027&#xff0c;\u800c\u5b58\u50a8\u8282\u70b9\u5219\u4e3a\u6570\u636e\u5e93\u63d0\u4f9b\u5171\u4eab\u7684\u6570\u636e\u8bbf\u95ee\u3002<\/p>\n<hr \/>\n<h4>\u53ef\u884c\u6027\u5206\u6790<\/h4>\n<p>\u8fd9\u79cd\u65b9\u6848\u5728\u6280\u672f\u4e0a\u662f\u53ef\u884c\u7684&#xff0c;\u539f\u56e0\u5982\u4e0b&#xff1a;<\/p>\n<li>\n<p>\u5b58\u50a8\u8282\u70b9\u66ff\u4ee3\u5171\u4eab\u5b58\u50a8<\/p>\n<ul>\n<li>\u53ef\u4ee5\u5c06\u7b2c\u4e09\u53f0\u670d\u52a1\u5668\u914d\u7f6e\u4e3a\u4e00\u4e2a\u5b58\u50a8\u8282\u70b9&#xff0c;\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf&#xff08;\u5982NFS&#xff09;\u6216\u5b58\u50a8\u534f\u8bae&#xff08;\u5982iSCSI&#xff09;\u4e3a\u5176\u4ed6\u4e24\u53f0\u670d\u52a1\u5668\u63d0\u4f9b\u5171\u4eab\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n<li>\u4e3b\u8282\u70b9\u548c\u5907\u8282\u70b9\u53ef\u4ee5\u6302\u8f7d\u8fd9\u4e2a\u5b58\u50a8\u8282\u70b9\u4e0a\u7684\u6570\u636e\u6587\u4ef6&#xff0c;\u7c7b\u4f3c\u4e8e\u4f20\u7edf\u5171\u4eab\u5b58\u50a8\u7684\u6548\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Oracle Data Guard\u7684\u4f18\u52bf<\/p>\n<ul>\n<li>Oracle Data Guard\u662fOracle\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u9ad8\u53ef\u7528\u548c\u707e\u96be\u6062\u590d\u89e3\u51b3\u65b9\u6848&#xff0c;\u80fd\u591f\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u91cd\u505a\u65e5\u5fd7&#xff08;redo logs&#xff09;\u5b9e\u73b0\u4e3b\u5907\u6570\u636e\u5e93\u7684\u6570\u636e\u540c\u6b65\u3002<\/li>\n<li>\u5b83\u652f\u6301\u81ea\u52a8\u6545\u969c\u8f6c\u79fb&#xff08;failover&#xff09;&#xff0c;\u53ef\u4ee5\u5728\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u5feb\u901f\u5207\u6362\u5230\u5907\u8282\u70b9&#xff0c;\u786e\u4fdd\u670d\u52a1\u8fde\u7eed\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6210\u672c\u6548\u76ca &#8211; \u4f7f\u7528\u666e\u901a\u670d\u52a1\u5668\u4ee3\u66ff\u4e13\u7528\u5b58\u50a8\u8bbe\u5907\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u786c\u4ef6\u91c7\u8d2d\u6210\u672c\u3002<\/p>\n<\/li>\n<hr \/>\n<h4>\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4<\/h4>\n<p>\u8981\u5b9e\u65bd\u8fd9\u4e2a\u65b9\u6848&#xff0c;\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c&#xff1a;<\/p>\n<li>\n<p>\u914d\u7f6e\u5b58\u50a8\u670d\u52a1\u5668<\/p>\n<ul>\n<li>\u5728\u7b2c\u4e09\u53f0\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u5e76\u914d\u7f6e\u5b58\u50a8\u670d\u52a1&#xff0c;\u4f8b\u5982NFS\u6216iSCSI\u3002<\/li>\n<li>\u5c06\u6570\u636e\u5e93\u6587\u4ef6&#xff08;\u5982\u6570\u636e\u6587\u4ef6\u3001\u63a7\u5236\u6587\u4ef6\u548c\u65e5\u5fd7\u6587\u4ef6&#xff09;\u5b58\u50a8\u5728\u8fd9\u4e2a\u670d\u52a1\u5668\u4e0a&#xff0c;\u5e76\u786e\u4fdd\u4e3b\u8282\u70b9\u548c\u5907\u8282\u70b9\u80fd\u591f\u901a\u8fc7\u7f51\u7edc\u8bbf\u95ee\u8fd9\u4e9b\u6587\u4ef6\u3002<\/li>\n<li>\u914d\u7f6e\u8db3\u591f\u7684\u78c1\u76d8\u7a7a\u95f4\u548c\u6027\u80fd&#xff0c;\u4ee5\u6ee1\u8db3\u6570\u636e\u5e93\u7684I\/O\u9700\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u90e8\u7f72\u4e3b\u8282\u70b9\u548c\u5907\u8282\u70b9<\/p>\n<ul>\n<li>\u5728\u4e3b\u8282\u70b9\u548c\u5907\u8282\u70b9\u4e0a\u5b89\u88c5Oracle\u6570\u636e\u5e93\u8f6f\u4ef6\u3002<\/li>\n<li>\u914d\u7f6eOracle Data Guard&#xff1a;\u5c06\u4e3b\u8282\u70b9\u8bbe\u7f6e\u4e3aprimary\u6570\u636e\u5e93&#xff0c;\u5907\u8282\u70b9\u8bbe\u7f6e\u4e3astandby\u6570\u636e\u5e93\u3002<\/li>\n<li>\u8bbe\u7f6e\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u529f\u80fd&#xff08;\u5982Fast-Start Failover&#xff09;&#xff0c;\u4ee5\u4fbf\u5728\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u5907\u8282\u70b9\u80fd\u81ea\u52a8\u63a5\u7ba1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b9e\u73b0\u6570\u636e\u540c\u6b65<\/p>\n<ul>\n<li>Oracle Data Guard\u4f1a\u901a\u8fc7\u7f51\u7edc\u5c06\u4e3b\u6570\u636e\u5e93\u7684\u91cd\u505a\u65e5\u5fd7\u4f20\u8f93\u5230\u5907\u6570\u636e\u5e93&#xff0c;\u4ee5\u4fdd\u6301\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u6839\u636e\u9700\u6c42\u9009\u62e9\u540c\u6b65\u6a21\u5f0f&#xff08;\u786e\u4fdd\u96f6\u6570\u636e\u4e22\u5931&#xff09;\u6216\u5f02\u6b65\u6a21\u5f0f&#xff08;\u6027\u80fd\u66f4\u4f18\u4f46\u53ef\u80fd\u6709\u5c11\u91cf\u6570\u636e\u5ef6\u8fdf&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h4>\u6ce8\u610f\u4e8b\u9879<\/h4>\n<p>\u5c3d\u7ba1\u8fd9\u4e2a\u65b9\u6848\u53ef\u884c&#xff0c;\u4f46\u9700\u8981\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u70b9&#xff1a;<\/p>\n<li>\n<p>\u6027\u80fd\u95ee\u9898<\/p>\n<ul>\n<li>\u666e\u901a\u670d\u52a1\u5668\u4f5c\u4e3a\u5b58\u50a8\u8282\u70b9\u7684I\/O\u6027\u80fd\u901a\u5e38\u4e0d\u5982\u4e13\u7528\u5b58\u50a8\u8bbe\u5907\u3002\u5728\u9ad8\u8d1f\u8f7d\u573a\u666f\u4e0b&#xff0c;\u53ef\u80fd\u4f1a\u51fa\u73b0\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u5efa\u8bae\u4e3a\u5b58\u50a8\u670d\u52a1\u5668\u9009\u62e9\u9ad8\u6027\u80fd\u7684\u786c\u4ef6&#xff08;\u5982SSD\u78c1\u76d8\u3001\u8db3\u591f\u7684\u5185\u5b58\u548cCPU&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u4f9d\u8d56<\/p>\n<ul>\n<li>\u6570\u636e\u540c\u6b65\u548c\u5b58\u50a8\u8bbf\u95ee\u90fd\u4f9d\u8d56\u4e8e\u7f51\u7edc\u8fde\u63a5\u3002\u5982\u679c\u7f51\u7edc\u4e0d\u7a33\u5b9a\u6216\u5e26\u5bbd\u4e0d\u8db3&#xff0c;\u53ef\u80fd\u4f1a\u5f71\u54cd\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/li>\n<li>\u5efa\u8bae\u4f7f\u7528\u9ad8\u901f\u7f51\u7edc&#xff0c;\u5e76\u914d\u7f6e\u5197\u4f59\u7f51\u7edc\u8def\u5f84\u4ee5\u63d0\u9ad8\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ba1\u7406\u590d\u6742\u6027<\/p>\n<ul>\n<li>\u76f8\u6bd4\u4f20\u7edf\u7684\u4e24\u53f0\u670d\u52a1\u5668\u52a0\u5171\u4eab\u5b58\u50a8\u7684\u65b9\u6848&#xff0c;\u8fd9\u79cd\u914d\u7f6e\u9700\u8981\u66f4\u591a\u7684\u7ba1\u7406\u7cbe\u529b\u3002\u4f8b\u5982&#xff0c;\u9700\u8981\u5355\u72ec\u7ef4\u62a4\u5b58\u50a8\u670d\u52a1\u5668\u7684\u53ef\u7528\u6027\u3002<\/li>\n<li>\u5982\u679c\u5b58\u50a8\u670d\u52a1\u5668\u53d1\u751f\u6545\u969c&#xff0c;\u6574\u4e2a\u6570\u636e\u5e93\u96c6\u7fa4\u90fd\u4f1a\u53d7\u5230\u5f71\u54cd&#xff0c;\u56e0\u6b64\u8981\u786e\u4fdd\u5b58\u50a8\u8282\u70b9\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6545\u969c\u8f6c\u79fb\u89c4\u5212<\/p>\n<ul>\n<li>\u4f7f\u7528Data 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