{"id":293,"date":"2015-03-11T15:00:58","date_gmt":"2015-03-11T07:00:58","guid":{"rendered":"http:\/\/heliang.net.cn\/?p=293"},"modified":"2015-03-11T15:00:58","modified_gmt":"2015-03-11T07:00:58","slug":"oracle-data-guard-%e7%90%86%e8%ae%ba%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/www.heliang.net.cn\/?p=293","title":{"rendered":"Oracle Data Guard \u7406\u8bba\u77e5\u8bc6"},"content":{"rendered":"

\u00a0
\n\u00a0<\/p>\n

\u6765\u6e90\uff1a<\/span>Linux<\/span>\u793e\u533a<\/span>\u00a0<\/span>\u4f5c\u8005\uff1a<\/span>tianlesoftware\u00a0\u00a0<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

RAC<\/strong><\/span><\/a>\uff0c<\/span>Data<\/strong><\/span>\u00a0Gurad<\/span><\/span>\uff0c<\/span><\/span>Stream<\/span>\u662f<\/span><\/span>Oracle<\/strong><\/span>\u9ad8\u53ef\u7528\u6027\u4f53\u7cfb\u4e2d\u7684\u4e09\u79cd\u5de5\u5177\uff0c\u6bcf\u4e2a\u5de5\u5177\u5373\u53ef\u4ee5\u72ec\u7acb\u5e94\u7528\uff0c\u4e5f\u53ef\u4ee5\u76f8\u4e92\u914d\u5408\u3002\u4ed6\u4eec\u5404\u81ea\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u9002\u7528\u573a\u666f\u4e5f\u4e0d\u540c\u3002<\/span>
\n\t\t\t\t\t\t\t<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

RAC<\/span>\u5b83\u7684\u5f3a\u9879\u5728\u4e8e\u89e3\u51b3\u5355\u70b9\u6545\u969c\u548c\u8d1f\u8f7d\u5747\u8861\uff0c\u56e0\u6b64<\/span>RAC<\/span>\u65b9\u6848\u5e38\u7528\u4e8e<\/span>7*24<\/span>\u7684\u6838\u5fc3\u7cfb\u7edf\uff0c\u4f46<\/span>RAC<\/span>\u65b9\u6848\u4e2d\u7684\u6570\u636e\u53ea\u6709\u4e00\u4efd\uff0c\u5c3d\u7ba1\u53ef\u4ee5\u901a\u8fc7<\/span>RAID<\/span>\u7b49\u673a\u5236\u53ef\u4ee5\u907f\u514d\u5b58\u50a8\u6545\u969c\uff0c\u4f46\u662f\u6570\u636e\u672c\u8eab\u662f\u6ca1\u6709\u5197\u4f59\u7684\uff0c\u5bb9\u6613\u5f62\u6210\u5355\u70b9\u6545\u969c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Data Gurad<\/span>\u901a\u8fc7\u5197\u4f59\u6570\u636e\u6765\u63d0\u4f9b\u6570\u636e\u4fdd\u62a4\uff0c<\/span>Data Gurad<\/span>\u901a\u8fc7\u65e5\u5fd7\u540c\u6b65\u673a\u5236\u4fdd\u8bc1\u5197\u4f59\u6570\u636e\u548c\u4e3b\u6570\u636e\u4e4b\u524d\u7684\u540c\u6b65\uff0c\u8fd9\u79cd\u540c\u6b65\u53ef\u4ee5\u662f\u5b9e\u65f6\uff0c\u5ef6\u65f6\uff0c\u540c\u6b65\uff0c\u5f02\u6b65\u591a\u79cd\u5f62\u5f0f\u3002<\/span>Data Gurad<\/span>\u5e38\u7528\u4e8e\u5f02\u5730\u5bb9\u707e\u548c\u5c0f\u4f01\u4e1a<\/strong><\/span><\/a>\u7684\u9ad8\u53ef\u7528\u6027\u65b9\u6848\uff0c\u867d\u7136\u53ef\u4ee5\u5728<\/span>Standby<\/span>\u673a\u5668\u4e0a\u6267\u884c\u53ea\u8bfb\u67e5\u8be2\uff0c\u4ece\u800c\u5206\u6563<\/span>Primary<\/span>\u82cf\u83ca\u54ed\u7684\u6027\u80fd\u538b\u529b\uff0c\u4f46\u662f<\/span>Data Gurad<\/span>\u51b3\u4e0d\u662f\u6027\u80fd\u89e3\u51b3\u65b9\u6848\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Stream<\/span>\u662f\u4ee5<\/span>Oracle Advanced Queue<\/span>\u4e3a\u57fa\u7840\u5b9e\u73b0\u7684\u6570\u636e\u540c\u6b65\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u7ea7\u522b\u7684\u7075\u6d3b\u914d\u7f6e\uff0c\u5e76\u4e14<\/span>Oracle<\/span>\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684<\/span>API<\/span>\u7b49\u5f00\u53d1\u652f\u6301\uff0c<\/span>Stream<\/span>\u66f4\u9002\u7528\u5728\u5e94\u7528\u5c42\u9762\u7684\u6570\u636e\u5171\u4eab\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5728<\/span>Data Gurad<\/span>\u73af\u5883\u4e2d\uff0c\u81f3\u5c11\u6709\u4e24\u4e2a\u6570\u636e\u5e93<\/strong><\/span><\/a>\uff0c\u4e00\u4e2a\u5904\u4e8e<\/span>Open<\/span>\u72b6\u6001\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u8fd9\u4e2a\u6570\u636e\u5e93\u53eb\u4f5c<\/span>Primary\u00a0Database<\/strong><\/span><\/a><\/span>\u3002\u7b2c\u4e8c\u4e2a\u5904\u4e8e\u6062\u590d<\/strong><\/span><\/a>\u72b6\u6001\uff0c\u53eb\u4f5c<\/span>Standby Database<\/span>\u3002\u8fd0\u884c\u65f6<\/span>primary Database<\/span>\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u7528\u6237\u5728<\/span>Primary Database<\/span>\u4e0a\u8fdb\u884c\u64cd\u4f5c\uff0c\u64cd\u4f5c\u88ab\u8bb0\u5f55\u5728\u8054\u673a\u65e5\u5fd7\u548c\u5f52\u6863\u65e5\u5fd7\u4e2d\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u901a\u8fc7\u7f51\u7edc\u4f20\u9012\u7ed9<\/span>Standby Database<\/span>\u3002\u8fd9\u4e2a\u65e5\u5fd7\u4f1a\u5728<\/span>Standby Database<\/span>\u4e0a\u91cd\u6f14\uff0c\u4ece\u800c\u5b9e\u73b0<\/span>Primary Database<\/span>\u548c<\/span>Standby Database<\/span>\u7684\u6570\u636e\u540c\u6b65\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Oracle Data Gurad<\/span>\u5bf9\u8fd9\u4e00\u8fc7\u7a0b\u8fdb\u4e00\u6b65\u7684\u4f18\u5316\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u65e5\u5fd7\u7684\u4f20\u9012\uff0c\u6062\u590d\u5de5\u4f5c\u66f4\u52a0\u81ea\u52a8\u5316\uff0c\u667a\u80fd\u5316\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e00\u7cfb\u5217\u53c2\u6570\u548c\u547d\u4ee4\u7b80\u5316\u4e86<\/span>DBA<\/span>\u5de5\u4f5c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\u679c\u662f\u53ef\u9884\u89c1\u56e0\u7d20\u9700\u8981\u5173\u95ed<\/span>Primary Database<\/span>\uff0c\u6bd4\u5982\u8f6f\u786c\u4ef6\u5347\u7ea7\uff0c\u53ef\u4ee5\u628a<\/span>Standby Database<\/span>\u5207\u6362\u4e3a<\/span>Primary Database<\/span>\u7ee7\u7eed\u5bf9\u5916\u670d\u52a1\uff0c\u8fd9\u6837\u5373\u51cf\u5c11\u4e86\u670d\u52a1\u505c\u6b62\u65f6\u95f4\uff0c\u5e76\u4e14\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u3002\u5982\u679c\u5f02\u5e38\u539f\u56e0\u5bfc\u81f4<\/span>Primary Database<\/span>\u4e0d\u53ef\u7528\uff0c\u4e5f\u53ef\u4ee5\u628a<\/span>Standby Database<\/span>\u5f3a\u5236\u5207\u6362\u4e3a<\/span>Primary Database<\/span>\u7ee7\u7eed\u5bf9\u5916\u670d\u52a1\uff0c\u8fd9\u65f6\u6570\u636e\u635f\u5931\u6210\u90fd\u548c\u914d\u7f6e\u7684\u6570\u636e\u4fdd\u62a4\u7ea7\u522b\u6709\u5173\u7cfb\u3002\u56e0\u6b64<\/span>Primary<\/span>\u548c<\/span>Standby<\/span>\u53ea\u662f\u4e00\u4e2a\u89d2\u8272\u6982\u5ff5\uff0c\u5e76\u4e0d\u56fa\u5b9a\u5728\u67d0\u4e2a\u6570\u636e\u5e93\u4e2d\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e00\uff0e<\/span>Data Guard<\/span>\u67b6\u6784<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DG<\/span>\u67b6\u6784\u53ef\u4ee5\u6309\u7167\u529f\u80fd\u5206\u6210<\/span>3<\/span>\u4e2a\u90e8\u5206\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1<\/span>\uff09\u65e5\u5fd7\u53d1\u9001\uff08<\/span>Redo Send<\/span>\uff09<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

2<\/span>\uff09\u65e5\u5fd7\u63a5\u6536\uff08<\/span>Redo Receive<\/span>\uff09<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

3<\/span>\uff09\u65e5\u5fd7\u5e94\u7528\uff08<\/span>Redo Apply<\/span>\uff09<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1.<\/span>\u65e5\u5fd7\u53d1\u9001\uff08<\/span>Redo Send<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0Primary Database<\/span>\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u6e90\u6e90\u4e0d\u65ad\u5730\u4ea7\u751f<\/span>Redo<\/span>\u65e5\u5fd7\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u9700\u8981\u53d1\u9001\u5230<\/span>Standy Database<\/span>\u3002\u8fd9\u4e2a\u53d1\u9001\u52a8\u4f5c\u53ef\u4ee5\u7531<\/span>Primary Database<\/span>\u7684<\/span>LGWR<\/span>\u6216\u8005<\/span>ARCH<\/span>\u8fdb\u7a0b\u5b8c\u6210\uff0c\u4e0d\u540c\u7684\u5f52\u6863\u76ee\u7684\u5730\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u4e2a\u76ee\u7684\u5730\uff0c\u53ea\u80fd\u9009\u7528\u4e00\u79cd\u65b9\u6cd5\u3002\u9009\u62e9\u54ea\u4e2a\u8fdb\u7a0b\u5bf9\u6570\u636e\u4fdd\u62a4\u80fd\u529b\u548c\u7cfb\u7edf\u53ef\u7528\u6027\u6709\u5f88\u5927\u533a\u522b\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1.1<\/span>\u4f7f\u7528<\/span>ARCH<\/span>\u8fdb\u7a0b<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff09<\/span>Primary Database<\/span>\u4e0d\u65ad\u4ea7\u751f<\/span>Redo Log<\/span>\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u88ab<\/span>LGWR<\/span>\u8fdb\u7a0b\u5199\u5230\u8054\u673a\u65e5\u5fd7\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff09\u5f53\u4e00\u7ec4\u8054\u673a\u65e5\u5fd7\u88ab\u5199\u6ee1\u540e\uff0c\u4f1a\u53d1\u751f\u65e5\u5fd7\u5207\u6362\uff08<\/span>Log Switch<\/span>\uff09\uff0c\u5e76\u4e14\u4f1a\u89e6\u53d1\u672c\u5730\u5f52\u6863\uff0c\u672c\u5730\u5f52\u6863\u4f4d\u7f6e\u662f\u91c7\u7528<\/span>LOG_ARCHIVE_DEST_1=’LOCATION=\/path’<\/span>\u8fd9\u79cd\u683c\u5f0f\u5b9a\u4e49\u7684\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\uff1a<\/span>alter system set log_archive_dest_1 = ‘LOCATION=\/u01\/arch’ scope=both;<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/span>\uff09\u5b8c\u6210\u672c\u5730\u5f52\u6863\u540e\uff0c\u8054\u673a\u65e5\u5fd7\u5c31\u53ef\u4ee5\u88ab\u8986\u76d6\u91cd\u7528\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

4<\/span>\uff09<\/span>ARCH<\/span>\u8fdb\u7a0b\u901a\u8fc7<\/span>Net<\/span>\u628a\u5f52\u6863\u65e5\u5fd7\u53d1\u9001\u7ed9<\/span>Standby Database<\/span>\u7684<\/span>RFS<\/strong><\/span>\uff08<\/span>Remote File\u00a0Server<\/strong><\/span><\/a><\/span>\uff09\u8fdb\u7a0b\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

5<\/span>\uff09<\/span>Standby Database<\/span>\u7aef\u7684<\/span>RFS<\/strong><\/span>\u8fdb\u7a0b<\/strong>\u628a\u63a5\u6536\u7684\u65e5\u5fd7\u5199\u5165\u5230\u5f52\u6863\u65e5\u5fd7\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

6<\/span>\uff09<\/span>Standby Database<\/span>\u7aef\u7684<\/span>MRP<\/strong>(Managed Recovery Process)<\/span>\u8fdb\u7a0b<\/strong>\uff08<\/span>Redo Apply<\/span>\uff09\u6216\u8005<\/span>LSP<\/strong><\/span>\u8fdb\u7a0b<\/strong>\uff08<\/span><\/span>SQL<\/strong><\/span>\u00a0Apply<\/span><\/span>\uff09\u5728<\/span><\/span>Standby Database<\/span>\u4e0a\u5e94\u7528\u8fd9\u4e9b\u65e5\u5fd7\uff0c\u8fdb\u800c\u540c\u6b65\u6570\u636e\u3002<\/span><\/span>
\n\t\t\t\t\t<\/span><\/span><\/span><\/span><\/p>\n

\u7528<\/span>ARCH<\/span>\u6a21\u5f0f\u4f20\u8f93\u4e0d\u5199<\/span>Standby Redologs<\/span>\uff0c\u76f4\u63a5\u4fdd\u5b58\u6210\u5f52\u6863\u6587\u4ef6\u5b58\u653e\u4e8e<\/span>Standby<\/span>\u7aef\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u8bf4\u660e\uff1a<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u903b\u8f91<\/span>Standby<\/span>\u63a5\u6536\u540e\u5c06\u5176\u8f6c\u6362\u6210<\/span>SQL<\/span>\u8bed\u53e5\uff0c\u5728<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e0a\u6267\u884c<\/span>SQL<\/span>\u8bed\u53e5\u5b9e\u73b0\u540c\u6b65\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53eb<\/span>SQL Apply<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u7269\u7406<\/span>Standby<\/span>\u63a5\u6536\u5b8c<\/span>Primary<\/span>\u6570\u636e\u5e93\u751f\u6210\u7684<\/span>REDO<\/span>\u6570\u636e\u540e\uff0c\u4ee5\u4ecb\u8d28\u6062\u590d\u7684\u65b9\u5f0f\u5b9e\u73b0\u540c\u6b65\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u53eb<\/span>Redo Apply<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u6ce8\u610f\uff1a<\/strong>\u521b\u5efa\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u8981\u5148\u521b\u5efa\u4e00\u4e2a\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\uff0c\u7136\u540e\u518d\u5c06\u5176\u8f6c\u6362\u6210\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f7f\u7528<\/span>ARCH<\/span>\u8fdb\u7a0b\u4f20\u9012\u6700\u5927\u95ee\u9898\u5728\u4e8e\uff1a<\/span>Primary Database<\/span>\u53ea\u6709\u5728\u53d1\u751f\u5f52\u6863\u65f6\u624d\u4f1a\u53d1\u9001\u65e5\u5fd7\u5230<\/span>Standby Database<\/span>\u3002\u5982\u679c<\/span><\/span>Primary Database<\/span>\u5f02\u5e38\u5b95\u673a\uff0c\u8054\u673a\u65e5\u5fd7\u4e2d\u7684<\/span>Redo<\/span><\/span>\u5185\u5bb9\u5c31\u4f1a\u4e22\u5931<\/span>\uff0c\u56e0\u6b64\u4f7f\u7528<\/span>ARCH<\/span>\u8fdb\u7a0b\u65e0\u6cd5\u907f\u514d\u6570\u636e\u4e22\u5931\u7684\u95ee\u9898\uff0c\u8981\u60f3\u907f\u514d\u6570\u636e\u4e22\u5931\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528<\/span>LGWR<\/span>\uff0c\u800c\u4f7f\u7528<\/span>LGWR<\/span>\u53c8\u5206<\/span>SYNC<\/span>\uff08\u540c\u6b65\uff09\u548c<\/span>ASYNC<\/span>\uff08\u5f02\u6b65\uff09\u4e24\u79cd\u65b9\u5f0f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5728\u7f3a\u7701\u65b9\u5f0f\u4e0b\uff0c<\/span>Primary Database<\/span>\u4f7f\u7528\u7684\u662f<\/span>ARCH<\/span>\u8fdb\u7a0b\uff0c\u53c2\u6570\u8bbe\u7f6e\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

alter system set log_archive_dest_2 = ‘SERVICE=ST’ scope=both;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1.2<\/span>\u4f7f\u7528<\/span>LGWR<\/span>\u8fdb\u7a0b\u7684<\/span>SYNC<\/span>\u65b9\u5f0f<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff09<\/span>Primary Database<\/span>\u4ea7\u751f\u7684<\/span>Redo<\/span>\u65e5\u5fd7\u8981\u540c\u65f6\u5199\u9053\u65e5\u5fd7\u6587\u4ef6\u548c\u7f51\u7edc\u3002\u4e5f\u5c31\u662f\u8bf4<\/span>LGWR<\/span>\u8fdb\u7a0b\u628a\u65e5\u5fd7\u5199\u5230\u672c\u5730\u65e5\u5fd7\u6587\u4ef6\u7684\u540c\u65f6\u8fd8\u8981\u53d1\u9001\u7ed9\u672c\u5730\u7684<\/span>LNSn<\/span><\/span>\u8fdb\u7a0b<\/span>\uff08<\/span>Network Server Process<\/span>\uff09\uff0c\u518d\u7531<\/span>LNSn<\/span>\uff08<\/span>LGWR Network Server process<\/span><\/strong>\uff09<\/strong>\u8fdb\u7a0b\u628a\u65e5\u5fd7\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u7ed9\u8fdc\u7a0b\u7684\u76ee\u7684\u5730\uff0c\u6bcf\u4e2a\u8fdc\u7a0b\u76ee\u7684\u5730\u5bf9\u5e94\u4e00\u4e2a<\/span>LNS<\/strong><\/span>\u8fdb\u7a0b\uff0c\u591a\u4e2a<\/span>LNS<\/span>\u8fdb\u7a0b\u80fd\u591f\u5e76\u884c\u5de5\u4f5c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff09<\/span>LGWR<\/span>\u5fc5\u987b\u7b49\u5f85\u5199\u5165\u672c\u5730\u65e5\u5fd7\u6587\u4ef6\u64cd\u4f5c\u548c\u901a\u8fc7<\/span>LNSn<\/span>\u8fdb\u7a0b\u7684\u7f51\u7edc\u4f20\u9001\u90fd\u6210\u529f\uff0c<\/span>Primary Database<\/span>\u4e0a\u7684\u4e8b\u52a1\u624d\u80fd\u63d0\u4ea4\uff0c\u8fd9\u4e5f\u662f<\/span>SYNC<\/span>\u7684\u542b\u4e49\u6240\u5728\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/span>\uff09<\/span>Standby Database<\/span>\u7684<\/span>RFS<\/strong><\/span>\u8fdb\u7a0b<\/strong>\u628a\u63a5\u6536\u5230\u7684\u65e5\u5fd7\u5199\u5165\u5230<\/span>Standby Redo Log<\/span>\u65e5\u5fd7\u4e2d\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

4<\/span>\uff09<\/span>Primary Database<\/span>\u7684\u65e5\u5fd7\u5207\u6362\u4e5f\u4f1a\u89e6\u53d1<\/span>Standby Database<\/span>\u4e0a\u7684\u65e5\u5fd7\u5207\u6362\uff0c\u5373<\/span>Standby Database<\/span>\u5bf9<\/span>Standby Redo Log<\/span>\u7684\u5f52\u6863\uff0c\u7136\u540e\u89e6\u53d1<\/span>Standby Database<\/span>\u7684<\/span>MRP<\/span>\u6216\u8005<\/span>LSP<\/span>\u8fdb\u7a0b\u6062\u590d\u5f52\u6863\u65e5\u5fd7\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u56e0\u4e3a<\/span>Primary Database<\/span>\u7684<\/span>Redo<\/span>\u662f\u5b9e\u65f6\u4f20\u9012\u7684\uff0c\u4e8e\u662f<\/span>Standby Database<\/span>\u7aef\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u6062\u590d\u65b9\u6cd5\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5b9e\u65f6\u6062\u590d\uff08<\/span>Real-Time Apply<\/strong><\/span>\uff09\uff1a\u53ea\u8981<\/span>RFS<\/span>\u628a\u65e5\u5fd7\u5199\u5165<\/span>Standby Redo Log<\/span>\u5c31\u4f1a\u7acb\u5373\u8fdb\u884c\u6062\u590d\uff1b<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5f52\u6863\u6062\u590d\uff1a\u5728\u5b8c\u6210\u5bf9<\/span>Standby Redo Log<\/span>\u5f52\u6863\u624d\u89e6\u53d1\u6062\u590d\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0Primary Database<\/span>\u9ed8\u8ba4\u4f7f\u7528<\/span>ARCH<\/span>\u8fdb\u7a0b\uff0c\u5982\u679c\u4f7f\u7528<\/span>LGWR<\/span>\u8fdb\u7a0b\u5fc5\u987b\u660e\u786e\u6307\u5b9a\u3002\u4f7f\u7528<\/span>LGWR SYNC<\/span>\u65b9\u5f0f\u65f6\uff0c\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528<\/span>NET_TIMEOUT<\/span>\u53c2\u6570\uff0c\u8fd9\u4e2a\u53c2\u6570\u5355\u4f4d\u662f\u79d2<\/strong>\uff0c\u4ee3\u8868\u5982\u679c\u591a\u957f\u65f6\u95f4\u5185\u7f51\u7edc\u53d1\u9001\u6ca1\u6709\u54cd\u5e94\uff0c<\/span>LGWR<\/span>\u8fdb\u7a0b\u4f1a\u629b\u51fa\u9519\u8bef\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

alter system set log_archive_dest_2 = ‘SERVICE=ST\u00a0LGWR\u00a0SYNC\u00a0NET_TIMEOUT=30’ scope=both;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1.3<\/span>\u4f7f\u7528<\/span>LGWR<\/span>\u8fdb\u7a0b\u7684<\/span>ASYNC<\/span>\u65b9\u5f0f<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f7f\u7528<\/span>LGWR SYNC<\/span>\u65b9\u6cd5\u7684\u53ef\u80fd\u95ee\u9898\u5728\u4e8e\uff0c\u5982\u679c\u65e5\u5fd7\u53d1\u9001\u7ed9<\/span>Standby Database<\/span>\u8fc7\u7a0b\u5931\u8d25\uff0c<\/span>LGWR<\/span>\u8fdb\u7a0b\u5c31\u4f1a\u62a5\u9519\u3002\u4e5f\u5c31\u662f\u8bf4<\/span>Primary Database<\/span>\u7684<\/span>LGWR<\/span>\u8fdb\u7a0b\u4f9d\u8d56\u4e8e\u7f51\u7edc\u72b6\u51b5\uff0c\u6709\u65f6\u8fd9\u79cd\u8981\u6c42\u53ef\u80fd\u8fc7\u4e8e\u82db\u523b\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528<\/span>LGWR ASYNC<\/span>\u65b9\u5f0f\u3002\u5b83\u7684\u5de5\u4f5c\u673a\u5236\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff09<\/span><\/strong>Primary Database<\/span>\u4e00\u6bb5\u4ea7\u751f<\/span>Redo<\/span>\u65e5\u5fd7\u540e\uff0c<\/span>LGWR<\/span>\u628a\u65e5\u5fd7\u540c\u65f6\u63d0\u4ea4\u7ed9\u65e5\u5fd7\u6587\u4ef6\u548c\u672c\u5730<\/span>LNS<\/span>\u8fdb\u7a0b\uff0c\u4f46\u662f<\/span>LGWR<\/span>\u8fdb\u7a0b\u53ea\u9700\u6210\u529f\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u5c31\u53ef\u4ee5\uff0c\u4e0d\u5fc5\u7b49\u5f85<\/span>LNSn<\/span>\u8fdb\u7a0b\u7684\u7f51\u7edc\u4f20\u9001\u6210\u529f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff09<\/span><\/strong>LNSn<\/span>\u8fdb\u7a0b\u5f02\u6b65\u5730\u628a\u65e5\u5fd7\u5185\u5bb9\u53d1\u9001\u5230<\/span>Standby Database<\/span>\u3002\u591a\u4e2a<\/span>LNSn<\/span>\u8fdb\u7a0b\u53ef\u4ee5\u5e76\u53d1\u53d1\u9001<\/strong>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/span>\uff09<\/span><\/strong>Primary Database<\/span>\u7684<\/span>Online Redo Log<\/span>\u5199\u6ee1\u540e\u53d1\u751f<\/span>Log Switch<\/span>\uff0c\u89e6\u53d1\u5f52\u6863\u64cd\u4f5c\uff0c\u4e5f\u89e6\u53d1<\/span>Standby Database<\/span>\u5bf9<\/span>Standby Database<\/span>\u5bf9<\/span>Standby Redo Log<\/span>\u7684\u5f52\u6863\uff1b\u7136\u540e\u89e6\u53d1<\/span>MRP<\/span>\u6216\u8005<\/span>LSP<\/span>\u8fdb\u7a0b\u6062\u590d\u5f52\u6863\u65e5\u5fd7\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u56e0\u4e3a<\/span>LGWR<\/span>\u8fdb\u7a0b\u4e0d\u4f1a\u7b49\u5f85<\/span>LNSn<\/span>\u8fdb\u7a0b\u7684\u54cd\u5e94\u7ed3\u679c\uff0c\u6240\u4ee5\u914d\u7f6e<\/span>LGWR ASYNC<\/span>\u65b9\u5f0f\u65f6\u4e0d\u9700\u8981<\/span>NET_TIMEOUT<\/span>\u53c2\u6570\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

alter system set log_archive_dest_2 = ‘SERVICE=ST\u00a0LGWR\u00a0ASYNC ‘ scope=both;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

.<\/span>\u65e5\u5fd7\u63a5\u6536\uff08<\/span>Redo Receive<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Standby Database<\/span>\u7684<\/span>RFS<\/span>\uff08<\/span>Remote File Server<\/span>\uff09\u8fdb\u7a0b\u63a5\u6536\u5230\u65e5\u5fd7\u540e\uff0c\u5c31\u628a\u65e5\u5fd7\u5199\u5230<\/span>Standby Redo Log<\/span>\u6216\u8005<\/span>Archived Log<\/span>\u6587\u4ef6\u4e2d\uff0c\u5177\u4f53\u5199\u5165\u54ea\u4e2a\u6587\u4ef6\uff0c\u53d6\u51b3\u4e8e<\/span>Primary<\/span>\u7684\u65e5\u5fd7\u4f20\u9001\u65b9\u5f0f\u548c<\/span>Standby database<\/span>\u7684\u4f4d\u7f6e\u3002\u5982\u679c\u5199\u5230<\/span>Standby Redo Log<\/span>\u6587\u4ef6\u4e2d\uff0c\u5219\u5f53<\/span>Primary Database<\/span>\u53d1\u751f\u65e5\u5fd7\u5207\u6362\u65f6\uff0c\u4e5f\u4f1a\u89e6\u53d1<\/span>Standby Database<\/span>\u4e0a\u7684<\/span>Standby Redo Log<\/span>\u7684\u65e5\u5fd7\u5207\u6362\uff0c\u5e76\u628a\u8fd9\u4e2a<\/span>Standby Redo Log<\/span>\u5f52\u6863\u3002\u5982\u679c\u662f\u5199\u5230<\/span>Archived Log<\/span>\uff0c\u90a3\u4e48\u8fd9\u4e2a\u52a8\u4f5c\u672c\u7701\u4e5f\u53ef\u4ee5\u770b\u4f5c\u662f\u4e2a\u5f52\u6863\u64cd\u4f5c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5728\u65e5\u5fd7\u63a5\u6536\u4e2d\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u5f52\u6863\u65e5\u5fd7\u4f1a\u88ab\u653e\u5728\u4ec0\u4e48\u4f4d\u7f6e\uff1a<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/strong><\/span>\uff09<\/strong>\u5982\u679c\u914d\u7f6e\u4e86<\/span>STANDBY_ARCHIVE_DEST<\/span>\u53c2\u6570\uff0c\u5219\u4f7f\u7528\u8be5\u53c2\u6570\u6307\u5b9a\u7684\u76ee\u5f55\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/strong><\/span>\uff09<\/strong>\u5982\u679c\u67d0\u4e2a<\/span><\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u660e\u786e\u5b9a\u4e49\u4e86<\/span>VALID_FOR=(STANDBY_LOGFILE,*)<\/span>\u9009\u9879\uff0c\u5219\u4f7f\u7528\u8fd9\u4e2a\u53c2\u6570\u6307\u5b9a\u7684\u76ee\u5f55\u3002<\/span><\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/strong><\/span>\uff09<\/strong>\u5982\u679c\u6570\u636e\u5e93\u7684<\/span>COMPATIBLE<\/span>\u53c2\u6570\u5927\u4e8e\u7b49\u4e8e<\/span>10.0<\/span>\uff0c\u5219\u9009\u53d6\u4efb\u610f\u4e00\u4e2a<\/strong><\/span>LOG_ARCHIVE_DEST_n<\/span>\u7684\u503c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

4<\/strong><\/span>\uff09<\/strong>\u5982\u679c<\/span>STANDBY_ARCHIVE_DEST<\/span>\u548c<\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u90fd\u6ca1\u6709\u914d\u7f6e\uff0c\u4f7f\u7528\u7f3a\u7701\u7684<\/span>STANDBY_ARCHIVE_DEST<\/span>\u53c2\u6570\u503c\uff0c\u8fd9\u4e2a\u7f3a\u7701\u503c\u662f<\/span>$Oracle_HOME\/dbs\/arc.<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3.<\/span>\u65e5\u5fd7\u5e94\u7528\uff08<\/span>Redo Apply<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u65e5\u5fd7\u5e94\u7528\u670d\u52a1\uff0c\u5c31\u662f\u5728<\/span>Standby Database<\/span>\u4e0a\u91cd\u6f14<\/span>Primary Database<\/span>\u65e5\u5fd7\uff0c\u4ece\u800c\u5b9e\u73b0\u4e24\u4e2a\u6570\u636e\u5e93\u7684\u6570\u636e\u540c\u6b65\u3002\u6839\u636e<\/span>Standby Database<\/span>\u91cd\u6f14\u65e5\u5fd7\u65b9\u5f0f\u7684\u4e0d\u540c\uff0c\u53ef\u5206\u4e3a\u7269\u7406<\/span>Standby<\/span>\uff08<\/span>Physical Standby<\/span>\uff09\u548c\u903b\u8f91<\/span>Standby<\/span>\uff08<\/span>Logical Standby<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Physical Standby<\/span>\u4f7f\u7528\u7684\u662f<\/span>Media Recovery<\/span><\/span>\u6280\u672f<\/strong><\/span>\uff0c\u5728\u6570\u636e\u5757\u7ea7\u522b\u8fdb\u884c\u6062\u590d\uff0c\u8fd9\u79cd\u65b9\u5f0f\u6ca1\u6709\u6570\u636e\u7c7b\u578b\u7684\u9650\u5236\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u4e24\u4e2a\u6570\u636e\u5e93\u5b8c\u5168\u4e00\u81f4\u3002<\/span><\/span>Physical Standby<\/span><\/span>\u6570\u636e\u5e93\u53ea\u80fd\u5728<\/span>Mount<\/span>\u72b6\u6001\u4e0b\u8fdb\u884c\u6062\u590d\uff0c\u4e5f\u53ef\u4ee5\u662f\u6253\u5f00\uff0c\u4f46\u53ea\u80fd\u5df2\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00\uff0c\u5e76\u4e14\u6253\u5f00\u65f6\u4e0d\u80fd\u6267\u884c\u6062\u590d\u64cd\u4f5c\u3002<\/span><\/span>
\n\t\t\t\t\t<\/span><\/span><\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Logical Standby<\/span>\u4f7f\u7528\u7684\u662f<\/span>Logminer<\/span>\u6280\u672f\uff0c\u901a\u8fc7\u628a\u65e5\u5fd7\u5185\u5bb9\u8fd8\u539f\u6210<\/span>SQL<\/span>\u8bed\u53e5\uff0c\u7136\u540e<\/span>SQL<\/span>\u5f15\u64ce\u6267\u884c\u8fd9\u4e9b\u8bed\u53e5\uff0c<\/span>Logminer Standby<\/span>\u4e0d\u652f\u6301\u6240\u6709\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u5728\u89c6\u56fe<\/span>DBA_LOGSTDBY_UNSUPPORTED<\/strong><\/span>\u4e2d\u67e5\u770b\u4e0d\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u8fd9\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5219\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u5e93\u5b8c\u5168\u4e00\u81f4\u3002<\/span>Logical Standby<\/span>\u6570\u636e\u5e93\u53ef\u4ee5\u5728\u6062\u590d\u7684\u540c\u65f6\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Standby<\/span>\u6570\u636e\u5e93\u7684\u76f8\u5173\u8fdb\u7a0b\u8bfb\u53d6\u63a5\u6536\u5230\u7684<\/span>REDO<\/span>\u6570\u636e\uff08\u53ef\u80fd\u6765\u81ea\u4e8e<\/span>Standby<\/span>\u7aef\u7684\u5f52\u6863\u6587\u4ef6\uff0c\u4e5f\u53ef\u80fd\u6765\u81ea\u4e8e<\/span>Standby Redologs<\/span>\uff09\uff0c\u518d\u5c06\u5176\u5199\u5165<\/span>Standby<\/span>\u6570\u636e\u5e93\u3002\u4fdd\u5b58\u4e4b\u540e\u6570\u636e\u53c8\u662f\u600e\u4e48\u751f\u6210\u7684\u5462\uff1f\u4e24\u79cd\u65b9\u5f0f\uff1a\u7269\u7406<\/span>Standby<\/span>\u901a\u8fc7<\/span>REDO<\/span>\u5e94\u7528\uff0c\u903b\u8f91<\/span>Standby<\/span>\u901a\u8fc7<\/span>SQL<\/span>\u5e94\u7528<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u6839\u636e<\/span>Redo Apply<\/span><\/strong>\u53d1\u751f\u7684\u65f6\u95f4\u53ef\u4ee5\u5206\u6210\u4e24\u79cd<\/strong>\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e00\u79cd\u662f\u5b9e\u65f6\u5e94\u7528\uff08<\/span>Real-Time Apply<\/span>\uff09\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5fc5\u987b<\/span>Standby Redo Log<\/span>\uff0c\u6bcf\u5f53\u65e5\u5fd7\u88ab\u5199\u5165<\/span>Standby Redo Log<\/span>\u65f6\uff0c\u5c31\u4f1a\u89e6\u53d1\u6062\u590d\uff0c\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u7684\u597d\u5904\u5728\u4e0e\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u5207\u6362\uff08<\/span>Switchover<\/span>\u6216\u8005<\/span>Failover<\/span>\uff09\u7684\u65f6\u95f4\uff0c\u56e0\u4e3a\u5207\u6362\u65f6\u95f4\u4e3b\u8981\u7528\u5728\u5269\u4f59\u65e5\u5fd7\u7684\u6062\u590d\u4e0a\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u53e6\u4e00\u79cd\u662f\u5f52\u6863\u65f6\u5e94\u7528\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5728<\/span>Primary Database<\/span>\u53d1\u751f\u65e5\u5fd7\u5207\u6362\uff0c\u89e6\u53d1<\/span>Standby Database<\/span>\u5f52\u6863\u64cd\u4f5c\uff0c\u5f52\u6863\u5b8c\u6210\u540e\u89e6\u53d1\u6062\u590d\u3002\u8fd9\u4e5f\u662f\u9ed8\u8ba4\u7684\u6062\u590d\u65b9\u5f0f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\u679c\u662f<\/span>Physical Standby<\/span>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u547d\u4ee4\u542f\u7528<\/span>Real-Time<\/span>\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Alter database recover managed standby database using current logfile disconnect from session;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\u679c\u662f<\/span>Logical Standby<\/span>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u547d\u4ee4\u542f\u7528<\/span>Real-Time<\/span>\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Alter database start logical standby apply immediate;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u67e5\u770b\u662f\u5426\u4f7f\u7528<\/span>Real-Time apply<\/span>\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Select recovery_mode from v$archive_dest_status;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

SQL> set wrap off<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> select process,status,thread#,sequence#,client_pid from v$managed_standby;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

PROCESS\u00a0\u00a0STATUS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0THREAD#\u00a0SEQUENCE# CLIENT_PID<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

——— ———— ———- ———- ———————————–<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

ARCH\u00a0\u00a0\u00a0\u00a0\u00a0CONNECTED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00 240<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

ARCH\u00a0\u00a0\u00a0\u00a0\u00a0CONNECTED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00 196<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

ARCH\u00a0\u00a0\u00a0\u00a0\u00a0CONNECTED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00 1944<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

ARCH\u00a0\u00a0\u00a0\u00a0\u00a0CONNECTED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00 3956<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

MRP0\u00a0\u00a0\u00a0\u00a0\u00a0WAIT_FOR_LOG\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030843 N\/A<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RECEIVING\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030838 2620<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RECEIVING\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030837 2612<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RECEIVING\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030833 2652<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ATTACHED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030841 2628<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ATTACHED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030835 2604<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

RFS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ATTACHED\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a030842 2608<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5df2\u9009\u62e9<\/span>11<\/span>\u884c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e8c\uff0e\u6570\u636e\u4fdd\u62a4\u6a21\u5f0f<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Data Guard<\/span>\u5141\u8bb8\u5b9a\u4e49<\/span>3<\/span>\u949f\u6570\u636e\u4fdd\u62a4\u6a21\u5f0f\uff0c\u5206\u522b\u662f\u6700\u5927\u4fdd\u62a4\uff08<\/span>Maximum Protection<\/span>\uff09\uff0c\u6700\u5927\u53ef\u7528\uff08<\/span>Maximum Availability<\/span>\uff09\u548c\u6700\u5927\u6027\u80fd\uff08<\/span>Maximum Performance<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1.<\/span>\u6700\u5927\u4fdd\u62a4\uff08<\/span>Maximum Protection<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8fd9\u79cd\u6a21\u5f0f\u80fd\u591f\u786e\u4fdd\u7edd\u65e0\u6570\u636e\u4e22\u5931\u3002\u8981\u5b9e\u73b0\u8fd9\u4e00\u6b65\u5f53\u7136\u662f\u6709\u4ee3\u4ef7\u7684\uff0c\u5b83\u8981\u6c42\u6240\u6709\u7684\u4e8b\u52a1\u5728\u63d0\u4ea4\u524d\u5176<\/span>REDO<\/span>\u4e0d\u4ec5\u88ab\u5199\u5165\u5230\u672c\u5730\u7684<\/span>Online Redologs<\/span>\uff0c\u8fd8\u8981\u540c\u65f6\u5199\u5165\u5230<\/span>Standby<\/span>\u6570\u636e\u5e93\u7684<\/span>Standby Redologs<\/span>\uff0c\u5e76\u786e\u8ba4<\/span>REDO<\/span>\u6570\u636e\u81f3\u5c11\u5728\u4e00\u4e2a<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e2d\u53ef\u7528\uff08\u5982\u679c\u6709\u591a\u4e2a\u7684\u8bdd\uff09\uff0c\u7136\u540e\u624d\u4f1a\u5728<\/span>Primary<\/span>\u6570\u636e\u5e93\u4e0a\u63d0\u4ea4\u3002\u5982\u679c\u51fa\u73b0\u4e86\u4ec0\u4e48\u6545\u969c\u5bfc\u81f4<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e0d\u53ef\u7528\u7684\u8bdd\uff08\u6bd4\u5982\u7f51\u7edc\u4e2d\u65ad\uff09\uff0c<\/span>Primary<\/span>\u6570\u636e\u5e93\u4f1a\u88ab<\/span>Shutdown<\/span>\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u4e22\u5931\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u8981\u6c42<\/span>Standby Database<\/span>\u5fc5\u987b\u914d\u7f6e<\/span>Standby Redo Log<\/span>\uff0c\u800c<\/span>Primary Database<\/span>\u5fc5\u987b\u4f7f\u7528<\/span>LGWR<\/span>\uff0c<\/span>SYNC<\/span>\uff0c<\/span>AFFIRM<\/span>\u65b9\u5f0f\u5f52\u6863\u5230<\/span>Standby Database.<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2.<\/span>\u6700\u9ad8\u53ef\u7528\u6027\uff08<\/span>Maximum availability<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8fd9\u79cd\u6a21\u5f0f\u5728\u4e0d\u5f71\u54cd<\/span>Primary<\/span>\u6570\u636e\u5e93\u53ef\u7528\u524d\u63d0\u4e0b\uff0c\u63d0\u4f9b\u6700\u9ad8\u7ea7\u522b\u7684\u6570\u636e\u4fdd\u62a4\u7b56\u7565\u3002\u5176\u5b9e\u73b0\u65b9\u5f0f\u4e0e\u6700\u5927\u4fdd\u62a4\u6a21\u5f0f\u7c7b\u4f3c\uff0c\u4e5f\u662f\u8981\u6c42\u672c\u5730\u4e8b\u52a1\u5728\u63d0\u4ea4\u524d\u5fc5\u987b\u81f3\u5c11\u5199\u5165\u4e00\u53f0<\/span>Standby<\/span>\u6570\u636e\u5e93\u7684<\/span>Standby Redologs<\/span>\u4e2d\uff0c\u4e0d\u8fc7\u4e0e\u6700\u5927\u4fdd\u62a4\u6a21\u5f0f\u4e0d\u540c\u7684\u662f\uff0c\u5982\u679c\u51fa\u73b0\u6545\u969c\u5bfc\u81f4<\/span>Standby<\/span>\u6570\u636e\u5e93\u65e0\u6cd5\u8bbf\u95ee\uff0c<\/span>Primary<\/span>\u6570\u636e\u5e93\u5e76\u4e0d\u4f1a\u88ab<\/span>Shutdown<\/span>\uff0c\u800c\u662f\u81ea\u52a8\u8f6c\u4e3a\u6700\u9ad8\u6027\u80fd\u6a21\u5f0f\uff0c\u7b49<\/span>Standby<\/span>\u6570\u636e\u5e93\u6062\u590d\u6b63\u5e38\u4e4b\u540e\uff0c<\/span>Primary<\/span>\u6570\u636e\u5e93\u53c8\u4f1a\u81ea\u52a8\u8f6c\u6362\u6210\u6700\u9ad8\u53ef\u7528\u6027\u6a21\u5f0f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8fd9\u79cd\u65b9\u5f0f\u867d\u7136\u4f1a\u5c3d\u91cf\u907f\u514d\u6570\u636e\u4e22\u5931\uff0c\u4f46\u4e0d\u80fd\u7edd\u5bf9\u4fdd\u8bc1\u6570\u636e\u5b8c\u5168\u4e00\u81f4\u3002\u8fd9\u79cd\u65b9\u5f0f\u8981\u6c42<\/span>Standby Database<\/span>\u5fc5\u987b\u914d\u7f6e<\/span>Standby Redo Log<\/span>\uff0c\u800c<\/span>Primary Database<\/span>\u5fc5\u987b\u4f7f\u7528<\/span>LGWR<\/span>\uff0c<\/span>SYNC<\/span>\uff0c<\/span>AFFIRM<\/span>\u65b9\u5f0f\u5f52\u6863\u5230<\/span>Standby Database.<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3.<\/span>\u6700\u9ad8\u6027\u80fd\uff08<\/span>Maximum performance<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u7f3a\u7701\u6a21\u5f0f\u3002\u8fd9\u79cd\u6a21\u5f0f\u5728\u4e0d\u5f71\u54cd<\/span>Primary<\/span>\u6570\u636e\u5e93\u6027\u80fd\u524d\u63d0\u4e0b\uff0c\u63d0\u4f9b\u6700\u9ad8\u7ea7\u522b\u7684\u6570\u636e\u4fdd\u62a4\u7b56\u7565\u3002\u4e8b\u52a1\u53ef\u4ee5\u968f\u65f6\u63d0\u4ea4\uff0c\u5f53\u524d<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684<\/span>REDO<\/span>\u6570\u636e\u81f3\u5c11\u9700\u8981\u5199\u5165\u4e00\u4e2a<\/span>Standby<\/span>\u6570\u636e\u5e93\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u5199\u5165\u53ef\u4ee5\u662f\u4e0d\u540c\u6b65\u7684\u3002\u5982\u679c\u7f51\u7edc\u6761\u4ef6\u7406\u60f3\u7684\u8bdd\uff0c\u8fd9\u79cd\u6a21\u5f0f\u80fd\u591f\u63d0\u4f9b\u7c7b\u4f3c\u6700\u9ad8\u53ef\u7528\u6027\u7684\u6570\u636e\u4fdd\u62a4\uff0c\u800c\u4ec5\u5bf9<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684\u6027\u80fd\u6709\u8f7b\u5fae\u5f71\u54cd\u3002\u8fd9\u4e5f\u662f\u521b\u5efa<\/span>Standby<\/span>\u6570\u636e\u5e93\u65f6\uff0c\u7cfb\u7edf\u7684\u9ed8\u8ba4\u4fdd\u62a4\u6a21\u5f0f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4f7f\u7528<\/span>LGWR ASYNC<\/span>\u6216\u8005<\/span>ARCH<\/span>\u8fdb\u7a0b\u5b9e\u73b0\uff0c<\/span>Standby Database<\/span>\u4e5f\u4e0d\u8981\u6c42\u4f7f\u7528<\/span>Standby Redo Log<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

4.<\/span>\u4fee\u6539\u6570\u636e\u4fdd\u62a4\u6a21\u5f0f\u6b65\u9aa4<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff09\u5173\u95ed\u6570\u636e\u5e93\uff0c\u91cd\u542f\u5230<\/span>Mount<\/span>\u72b6\u6001\uff0c\u5982\u679c\u662f<\/span>RAC<\/span>\uff0c\u9700\u8981\u5173\u95ed\u6240\u6709\u5b9e\u4f8b\uff0c\u7136\u540e\u53ea\u542f\u52a8\u4e00\u4e2a\u5b9e\u4f8b\u5230<\/span>mount<\/span>\u72b6\u6001\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff09\u4fee\u6539\u6a21\u5f0f\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8bed\u6cd5\uff1a<\/span>ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE {PROTECTION|<\/strong>AVAILABILITY|<\/strong>PERFORMANCE};<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\uff1a<\/span>SQL>ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PROTECTION;<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3)<\/span>\u6253\u5f00\u6570\u636e\u5e93\uff1a<\/span>alter\u00a0database\u00a0open;<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

4)<\/span>\u786e\u8ba4\u4fee\u6539\u6570\u636e\u4fdd\u62a4\u6a21\u5f0f\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

SQL>select protection_mode,protection_level from v$database;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e09\uff0e\u81ea\u52a8\u88c2\u7f1d\u68c0\u6d4b\u548c\u89e3\u51b3<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u5f53<\/span>Primary Database<\/span>\u7684\u67d0\u4e9b\u65e5\u5fd7\u6ca1\u6709\u6210\u529f\u53d1\u9001\u5230<\/span>Standby Database<\/span>\uff0c\u8fd9\u65f6\u5019\u53d1\u751f\u997f\u4e86\u5f52\u6863\u88c2\u7f1d\uff08<\/span>Archive Gap<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u7f3a\u5931\u7684\u8fd9\u4e9b\u65e5\u5fd7\u5c31\u662f\u88c2\u7f1d\uff08<\/span>Gap<\/span>\uff09\u3002<\/span>Data Guard<\/span>\u80fd\u591f\u81ea\u52a8\u68c0\u6d4b\uff0c\u89e3\u51b3\u5f52\u6863\u88c2\u7f1d\uff0c\u4e0d\u9700\u8981<\/span>DBA<\/span>\u7684\u4ecb\u5165\u3002\u8fd9\u9700\u8981\u914d\u7f6e<\/span>FAL_CLIENT<\/span>\uff0c<\/span>FAL_SERVER<\/span>\u8fd9\u4e24\u4e2a\u53c2\u6570\uff08<\/span>FAL: Fetch Archive Log<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4ece<\/span>FAL<\/span>\u8fd9\u4e2a\u540d\u5b57\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f<\/span>Standby Database<\/span>\u4e3b\u52a8\u53d1\u8d77\u7684<\/span>“<\/span>\u53d6<\/span>“<\/span>\u65e5\u5fd7\u7684\u8fc7\u7a0b\uff0c<\/span>Standby Database<\/span>\u5c31\u662f<\/span>FAL_CLIENT.<\/span>\u5b83\u662f\u4ece<\/span>FAL_SERVER<\/span>\u4e2d\u53d6\u8fd9\u4e9b<\/span>Gap<\/span>\uff0c<\/span><\/span>10g<\/strong><\/span>\u4e2d\uff0c\u8fd9\u4e2a<\/span>FAL_SERVER<\/span>\u53ef\u4ee5\u662f<\/span>Primary Database<\/span>\uff0c\u4e5f\u53ef\u4ee5\u662f\u5176\u4ed6\u7684<\/span>Standby Database<\/span>\u3002<\/span><\/span>
\n\t\t\t\t\t<\/span><\/span><\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\uff1a<\/span>FAL_SERVER=’PR1,ST1,ST2′;<\/strong><\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

FAL_CLIENT<\/span>\u548c<\/span>FAL_SERVER<\/span>\u4e24\u4e2a\u53c2\u6570\u90fd\u662f<\/span>Oracle Net Name<\/span>\u3002<\/span>FAL_CLIENT<\/span>\u901a\u8fc7\u7f51\u7edc\u5411<\/span>FAL_SERVER<\/span>\u53d1\u9001\u8bf7\u6c42\uff0c<\/span>FAL_SERVER<\/span>\u901a\u8fc7\u7f51\u7edc\u5411<\/span>FAL_CLIENT<\/span>\u53d1\u9001\u7f3a\u5931\u7684\u65e5\u5fd7\u3002\u4f46\u662f\u8fd9\u4e24\u4e2a\u8fde\u63a5\u4e0d\u4e00\u5b9a\u662f\u4e00\u4e2a\u8fde\u63a5\u3002\u56e0\u6b64<\/span>FAL_CLIENT<\/span>\u5411<\/span>FAL_SERVER<\/span>\u53d1\u9001\u8bf7\u6c42\u65f6\uff0c\u4f1a\u643a\u5e26<\/span>FAL_CLIENT<\/span>\u53c2\u6570\u503c\uff0c\u7528\u6765\u544a\u8bc9<\/span>FAL_SERVER<\/span>\u5e94\u8be5\u5411\u54ea\u91cc\u53d1\u9001\u7f3a\u5c11\u7684\u65e5\u5fd7\u3002\u8fd9\u4e2a\u53c2\u6570\u503c\u4e5f\u662f\u4e00\u4e2a<\/span>Oracle Net Name<\/span>\uff0c\u8fd9\u4e2a<\/span>Name<\/span>\u662f\u5728<\/span>FAL_SERVER<\/span>\u4e0a\u5b9a\u4e49\u7684\uff0c\u7528\u6765\u6307\u5411<\/span>FAL_CLIENT.<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5f53\u7136\uff0c\u9664\u4e86\u81ea\u52a8\u5730\u65e5\u5fd7\u7f3a\u5931\u89e3\u51b3\uff0c<\/span>DBA<\/span>\u4e5f\u53ef\u4ee5\u624b\u5de5\u89e3\u51b3\u3002\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff09\u67e5\u770b\u662f\u5426\u6709\u65e5\u5fd7<\/span>GAP<\/span>\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0\u00a0\u00a0SQL> SELECT UNIQUE THREAD#, MAX(SEQUENCE#) OVER(PARTITION BY THREAD#) LAST FROM V$ARCHIVED_LOG;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u3000\u3000<\/span>SQL> SELECT THREAD#, LOW_SEQUENCE#, HIGH_SEQUENCE# FROM V$ARCHIVE_GAP;<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u3000<\/span>\u00a02<\/span>\uff09\u5982\u679c\u6709\uff0c\u5219\u62f7\u8d1d\u8fc7\u6765<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/span>\uff09\u624b\u5de5\u7684\u6ce8\u518c\u8fd9\u4e9b\u65e5\u5fd7\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

SQL>ALTER DATABASE REGISTER LOGFILE ‘<\/strong><\/span>\u8def\u5f84<\/span>‘;<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u56db\uff0e\u6307\u5b9a\u65e5\u5fd7\u53d1\u9001\u5bf9\u8c61<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

1<\/span>\uff0e<\/span>VALID_FOR<\/span>\u5c5e\u6027\u6307\u5b9a\u4f20\u8f93\u53ca\u63a5\u6536\u5bf9\u8c61<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u4e2d\u7684<\/span>VALID_FOR<\/span>\u5c5e\u6027\uff0c\u7528\u6765\u6307\u5b9a\u4f20\u8f93\u7684\u5185\u5bb9\u3002\u4ece\u5b57\u9762\u7406\u89e3<\/span>VALID_FOR<\/span>\u5c31\u662f\u57fa\u4e8e\u90a3\u8c01\u6709\u6548\uff0c\u8be5\u5c5e\u6027\u6709\u4e24\u4e2a\u53c2\u6570\u503c\u9700\u8981\u6307\u5b9a\uff1a<\/span>REDO_LOG_TYPE<\/span>\u548c<\/span>DATABASE_ROLE<\/span>\uff0c\u6211\u4eec\u57fa\u672c\u4e0a\u53ef\u4ee5\u5c06\u5176\u7406\u89e3\u4e3a\uff1a\u53d1\u9001\u6307\u5b9a\u89d2\u8272\u751f\u6210\u7684\u6307\u5b9a\u7c7b\u578b\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u8be5\u53c2\u6570\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4e3a\u4e86\u786e\u4fdd\uff0c\u4e00\u65e6\u53d1\u751f\u89d2\u8272\u5207\u6362\u64cd\u4f5c\u540e\u6570\u636e\u5e93\u7684\u6b63\u5e38\u8fd0\u8f6c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5176\u4e2d\uff0c<\/span>REDO_LOG_TYPE<\/span>\u548c<\/span>DATABASE_ROLE<\/span>\u4e24\u4e2a\u53c2\u6570\u53ef\u4f9b\u9009\u62e9\u7684\u53c2\u6570\u503c\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

REDO_LOG_TYPE<\/span>\uff1a\u53ef\u8bbe\u7f6e\u4e3a<\/span>ONLINE_LOGFILE<\/span>\u3001<\/span>STANDBY_LOGFILE<\/span>\u3001<\/span>ALL_LOGFILES<\/span>\u3002<\/span>\u00a0<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DATABASE_ROLE<\/span>\uff1a\u53ef\u8bbe\u7f6e\u4e3a<\/span>PRIMARY_ROLE<\/span>\u3001<\/span>STANDBY_ROLE<\/span>\u3001<\/span>ALL_ROLES<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u6ce8\u610f\uff1a<\/span>VALID_FOR<\/span>\u53c2\u6570\u9ed8\u8ba4\u503c\u662f\uff1a<\/span>VALID_FOR=<\/span>\uff08<\/span>ALL_LOGFILES,ALL_ROLES<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u63a8\u8350\u624b\u52a8\u8bbe\u7f6e\u8be5\u53c2\u6570\u800c\u4e0d\u8981\u4f7f\u7528\u9ed8\u8ba4\u503c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u9ed8\u8ba4\u7684\u53c2\u6570\u503c\u4e0d\u4e00\u5b9a\u5408\u9002\uff0c\u5982\u903b\u8f91<\/span>Standby<\/span>\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5c31\u5904\u4e8e<\/span>OPEN READ WRITE<\/span>\u6a21\u5f0f\uff0c\u4e0d\u4ec5\u6709<\/span>REDO<\/span>\u6570\u636e\u800c\u4e14\u8fd8\u5305\u542b\u591a\u79cd\u65e5\u5fd7\u6587\u4ef6\uff08<\/span>Online Redologs<\/span>\u3001<\/span>Archived Redologs<\/span>\u53ca<\/span>Standby Redologs<\/span>\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u751f\u6210\u7684\u5f52\u6863\u6587\u4ef6\u548c\u63a5\u6536\u5230\u7684\u5f52\u6863\u6587\u4ef6\u5728\u76f8\u540c\u7684\u8def\u5f84\u4e0b\uff0c\u8fd9\u65e2\u4e0d\u4fbf\u4e8e\u7ba1\u7406<\/strong><\/span><\/a>\uff0c\u4e5f\u6781\u6709\u53ef\u80fd\u5e26\u6765\u4e00\u4e9b\u9690\u60a3\u3002\u5efa\u8bae\u5bf9\u6bcf\u4e2a<\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u8bbe\u7f6e\u5408\u9002\u7684<\/span>VALID_FOR<\/span>\u5c5e\u6027\u3002\u672c\u5730\u751f\u6210\u7684\u5f52\u6863\u6587\u4ef6\u548c\u63a5\u6536\u5230\u7684\u5f52\u6863\u6587\u4ef6\u6700\u597d\u5206\u522b\u4fdd\u5b58\u4e8e\u4e0d\u540c\u8def\u5f84\u4e0b\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff0e\u901a\u8fc7<\/span>DB_UNIQUE_NAME<\/span>\u5c5e\u6027\u6307\u5b9a\u6570\u636e\u5e93<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DB_UNIQUE_NAME<\/span>\u5c5e\u6027\u662f<\/span>10g<\/strong><\/span>\u7248\u672c<\/strong>\u65b0\u589e\u52a0\u7684\u4e00\u4e2a\u5173\u952e\u5b57\uff0c\u5728\u4e4b\u524d\u7248\u672c\u5e76\u6ca1\u6709\u8fd9\u4e00\u8bf4\u6cd5\u3002\u8be5\u5c5e\u6027\u7684\u4f5c\u7528\u662f\u6307\u5b9a\u552f\u4e00\u7684<\/span>Oracle<\/span>\u6570\u636e\u5e93\u540d\u79f0\uff0c\u4e5f\u6b63\u56e0\u6709\u4e86<\/span>DB_UNIQUE_NAME<\/span>\uff0c<\/span>REDO<\/span>\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u624d\u80fd\u786e\u8ba4\u4f20\u8f93\u5230<\/span>DBA<\/span>\u5e0c\u671b\u88ab\u4f20\u8f93\u5230\u7684\u6570\u636e\u5e93\u4e0a\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5f53\u7136\u8981\u786e\u4fdd<\/span>REDO<\/span>\u6570\u636e\u88ab\u4f20\u8f93\u5230\u6307\u5b9a\u670d\u52a1\u5668<\/strong><\/span><\/a>\uff0c\u9664\u4e86\u5728<\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u4e2d\u6307\u5b9a\u6b63\u786e<\/span>DB_UNIQUE_NAME<\/span>\u5c5e\u6027\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u521d\u59cb\u5316\u53c2\u6570<\/span>LOG_ARCHIVE_CONFIG<\/span>\u4e5f\u9700\u8981\u8fdb\u884c\u6b63\u786e\u7684\u914d\u7f6e\u3002\u8be5\u53c2\u6570\u9664\u4e86\u6307\u5b9a<\/span>Data Guard<\/span>\u73af\u5883\u4e2d\u7684\u552f\u4e00\u6570\u636e\u5e93\u540d\u5916\uff0c\u8fd8\u5305\u62ec\u51e0\u4e2a\u5c5e\u6027\uff0c\u7528\u6765\u63a7\u5236<\/span>REDO<\/span>\u6570\u636e\u7684\u4f20\u8f93\u548c\u63a5\u6536\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

SEND<\/span>\uff1a\u5141\u8bb8\u6570\u636e\u5e93\u53d1\u9001\u6570\u636e\u5230\u8fdc\u7aef\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

RECEIVE<\/span>\uff1a\u5141\u8bb8<\/span>Standby<\/span>\u63a5\u6536\u6765\u81ea\u5176\u4ed6\u6570\u636e\u5e93\u7684\u6570\u636e\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

NOSEND,NORECEIVE<\/span>\uff1a\u81ea\u7136\u5c31\u662f\u7981\u6b62\u55bd\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff0c\u8bbe\u7f6e<\/span>Primary<\/span>\u6570\u636e\u5e93\u4e0d\u63a5\u6536\u4efb\u4f55\u5f52\u6863\u6570\u636e\uff0c\u53ef\u4ee5\u505a\u5982\u4e0b\u7684\u8bbe\u7f6e\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_CONFIG=’NORECEIVE,DG_CONFIG= (PRI,ST) ‘<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5982\u679c\u505a\u4e86\u5982\u4e0a\u7684\u8bbe\u7f6e\uff0c\u5982\u679c\u8be5\u670d\u52a1\u5668\u53d1\u751f\u4e86\u89d2\u8272\u5207\u6362\uff0c\u90a3\u5b83\u4e5f\u6ca1\u6709\u63a5\u6536<\/span>REDO<\/span>\u6570\u636e\u7684\u80fd\u529b\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e94\uff0e<\/span>Data Guard<\/span>\u73af\u5883\u5e94\u914d\u7f6e\u7684\u521d\u59cb\u5316\u53c2\u6570<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e0b\u5217\u53c2\u6570\u4e3a<\/span>Primary<\/span>\u89d2\u8272\u76f8\u5173\u7684\u521d\u59cb\u5316\u53c2\u6570<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DB_NAME<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u6ce8\u610f\u4fdd\u6301\u540c\u4e00\u4e2a<\/span>Data Guard<\/span>\u4e2d\u6240\u6709\u6570\u636e\u5e93<\/span>DB_NAME<\/span>\u76f8\u540c<\/span><\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>DB_NAME=Dave<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DB_UNIQUE_NAME<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u4e3a\u6bcf\u4e00\u4e2a\u6570\u636e\u5e93\u6307\u5b9a\u4e00\u4e2a\u552f\u4e00\u7684\u540d\u79f0\uff0c\u8be5\u53c2\u6570\u4e00\u7ecf\u6307\u5b9a\u4e0d\u4f1a\u518d\u53d1\u751f\u53d8\u5316\uff0c\u9664\u975e<\/span><\/span>DBA<\/span>\u4e3b\u52a8\u4fee\u6539\u5b83<\/span><\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>DB_UNIQUE_NAME=DavePre<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_CONFIG<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u8be5\u53c2\u6570\u7528\u6765\u63a7\u5236\u4ece\u8fdc\u7aef\u6570\u636e\u5e93\u63a5\u6536\u6216\u53d1\u9001<\/span>REDO<\/span>\u6570\u636e\uff0c\u901a\u8fc7<\/span>DG_CONFIG<\/span>\u5c5e\u6027\u7f57\u5217\u540c\u4e00\u4e2a<\/span>Data Guard<\/span>\u4e2d\u6240\u6709<\/span>DB_UNIQUE_NAME<\/span>\uff08\u542b<\/span>Primary<\/span>\u6570\u636e\u5e93\u548c<\/span>Standby<\/span>\u6570\u636e\u5e93\uff09\uff0c\u4ee5\u9017\u53f7\u5206\u9694\uff0c<\/span>SEND\/NOSEND<\/span>\u5c5e\u6027\u63a7\u5236\u662f\u5426\u53ef\u4ee5\u53d1\u9001\uff0c<\/span>RECEIVE\/NORECEIVE<\/span>\u5c5e\u6027\u63a7\u5236\u662f\u5426\u80fd\u591f\u63a5\u6536<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>LOG_ARCHIVE_CONFIG=’DG_CONFIG=(DavePre,DaveDG)’<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_n<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u5f52\u6863\u6587\u4ef6\u7684\u751f\u6210\u8def\u5f84\u3002\u8be5\u53c2\u6570\u975e\u5e38\u91cd\u8981\uff0c\u5e76\u4e14\u5c5e\u6027\u548c\u5b50\u53c2\u6570\u4e5f\u7279\u522b\u591a<\/span>(<\/span>\u53ef\u4ee5\u76f4\u63a5\u67e5\u8be2<\/span>Oracle<\/span>\u5b98\u65b9\u6587\u6863\u3002<\/span>Data Guard<\/span>\u767d\u76ae\u4e66\u7b2c<\/span>14<\/span>\u7ae0\u4e13\u95e8\u4ecb\u7ecd\u4e86\u8be5\u53c2\u6570\u5404\u5c5e\u6027\u53ca\u5b50\u53c2\u6570\u7684\u529f\u80fd\u548c\u8bbe\u7f6e<\/span>)<\/span>\u3002\u4f8b\u5982\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_1=’LOCATION=l:\\oracle\\oradata\\Dave VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=DavePre’<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_STATE_n<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u662f\u5426\u5141\u8bb8<\/span>REDO<\/span>\u4f20\u8f93\u670d\u52a1\u4f20\u8f93<\/span>REDO<\/span>\u6570\u636e\u5230\u6307\u5b9a\u7684\u8def\u5f84\u3002\u8be5\u53c2\u6570\u5171\u62e5\u6709<\/span>4<\/span>\u4e2a\u5c5e\u6027\u503c\uff0c\u529f\u80fd\u5404\u4e0d\u76f8\u540c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

REMOTE_LOGIN_PASSWORDFILE<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u63a8\u8350\u8bbe\u7f6e\u53c2\u6570\u503c\u4e3a<\/span>EXCLUSIVE<\/span>\u6216\u8005<\/span>SHARED<\/span>\uff0c\u6ce8\u610f\u4fdd\u8bc1\u76f8\u540c<\/span><\/span>Data Guard<\/span>\u914d\u7f6e\u4e2d\u6240\u6709<\/span>DB<\/span>\u670d\u52a1\u5668<\/span>SYS<\/span>\u5bc6\u7801\u76f8\u540c<\/span><\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4ee5\u4e0b\u53c2\u6570\u4e3a\u4e0e<\/span>Standby<\/span>\u89d2\u8272\u76f8\u5173\u7684\u53c2\u6570\uff08\u5efa\u8bae\u5728<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684\u521d\u59cb\u5316\u53c2\u6570\u4e2d\u4e5f\u8fdb\u884c\u8bbe\u7f6e\uff0c\u8fd9\u6837\u5373\u4f7f\u53d1\u751f\u89d2\u8272\u5207\u6362\uff0c\u65b0\u7684<\/span>Standby<\/span>\u4e5f\u80fd\u76f4\u63a5\u6b63\u5e38\u8fd0\u884c\uff09<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

FAL_SERVER<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u6307\u5b9a\u4e00\u4e2a<\/span>Net<\/span>\u670d\u52a1\u540d\uff0c\u8be5\u53c2\u6570\u503c\u5bf9\u5e94\u7684\u6570\u636e\u5e93\u5e94\u4e3a<\/span>Primary<\/span>\u89d2\u8272\u3002\u5f53\u672c\u5730\u6570\u636e\u5e93\u4e3a<\/span>Standby<\/span>\u89d2\u8272\u65f6\uff0c\u5982\u679c\u53d1\u73b0\u5b58\u5728\u5f52\u6863\u4e2d\u65ad\u7684\u60c5\u51b5\uff0c\u8be5\u53c2\u6570\u7528\u6765\u6307\u5b9a\u83b7\u53d6\u4e2d\u65ad\u7684\u5f52\u6863\u6587\u4ef6\u7684\u670d\u52a1\u5668<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>FAL_SERVER=DavePre<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u63d0\u793a\uff1a<\/span>FAL<\/span>\u662f<\/span>Fetch Archived Log<\/span>\u7684\u7f29\u5199<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

FAL_SERVER<\/span>\u53c2\u6570\u652f\u6301\u591a\u4e2a\u53c2\u6570\u503c\u7684\u54df\uff0c\u76f8\u4e92\u95f4\u4ee5\u9017\u53f7\u5206\u9694<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

FAL_CLIENT<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u53c8\u6307\u5b9a\u4e00\u4e2a<\/span>Net<\/span>\u670d\u52a1\u540d\uff0c\u8be5\u53c2\u6570\u5bf9\u5e94\u6570\u636e\u5e93\u5e94\u4e3a<\/span>Standby<\/span>\u89d2\u8272\u3002\u5f53\u672c\u5730\u6570\u636e\u5e93\u4ee5<\/span>Primary<\/span>\u89d2\u8272\u8fd0\u884c\u65f6\uff0c\u5411\u53c2\u6570\u503c\u4e2d\u6307\u5b9a\u7684\u7ad9\u70b9\u53d1\u9001\u4e2d\u65ad\u7684\u5f52\u6863\u6587\u4ef6<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>FAL_CLIENT=DaveDG<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

FAL_CLIENT<\/span>\u53c2\u6570\u4e5f\u652f\u6301\u591a\u4e2a\u53c2\u6570\u503c\uff0c\u76f8\u4e92\u95f4\u4ee5\u9017\u53f7\u5206\u9694\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

DB_FILE_NAME_CONVERT<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0Standby<\/span>\u6570\u636e\u5e93\u7684\u6570\u636e\u6587\u4ef6\u8def\u5f84\u4e0e<\/span>Primary<\/span>\u6570\u636e\u5e93\u6570\u636e\u6587\u4ef6\u8def\u5f84\u4e0d\u4e00\u81f4\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e<\/span>DB_FILE_NAME_CONVERT<\/span>\u53c2\u6570\u7684\u65b9\u5f0f\u8ba9\u5176\u81ea\u52a8\u8f6c\u6362\u3002\u8be5\u53c2\u6570\u503c\u5e94\u8be5\u6210\u5bf9\u51fa\u73b0\uff0c\u524d\u9762\u7684\u503c\u8868\u793a\u8f6c\u6362\u524d\u7684\u5f62\u5f0f\uff0c\u540e\u9762\u7684\u503c\u8868\u793a\u8f6c\u6362\u540e\u7684\u5f62\u5f0f<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>DB_FILE_NAME_CONVERT=’f:\\oradata\\DavePre’,’l:\\oradata\\DaveDG’<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_FILE_NAME_CONVERT<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0\u00a0<\/span>\u4f7f\u7528\u65b9\u5f0f\u4e0e\u4e0a\u76f8\u540c\uff0c\u53ea\u4e0d\u8fc7<\/span>LOG_FILE_NAME_CONVERT<\/span>\u4e13\u7528\u6765\u8f6c\u6362\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_FILE_NAME_CONVERT=’f:\\oradata\\DavePre’,’l:\\oradata\\DaveDG’<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

STANDBY_FILE_MANAGEMENT<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u5982\u679c<\/span>Primary<\/span>\u6570\u636e\u5e93\u6570\u636e\u6587\u4ef6\u53d1\u751f\u4fee\u6539\uff08\u5982\u65b0\u5efa\u3001\u91cd\u547d\u540d\u7b49\uff09\u5219\u6309\u7167\u672c\u53c2\u6570\u7684\u8bbe\u7f6e\u5728<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e2d\u4f5c\u76f8\u5e94\u4fee\u6539\u3002\u8bbe\u4e3a<\/span>AUTO<\/span>\u8868\u793a\u81ea\u52a8\u7ba1\u7406\u3002\u8bbe\u4e3a<\/span>MANUAL<\/span>\u8868\u793a\u9700\u8981\u624b\u5de5\u7ba1\u7406<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>STANDBY_FILE_MANAGEMENT=AUTO<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5bf9\u4e8e\u5f52\u6863\u5931\u8d25\u7684\u5904\u7406\uff0c<\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u6709\u51e0\u4e2a\u5c5e\u6027\uff0c\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u5f52\u6863\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u6545\u969c\u65f6\u5e94\u8be5\u91c7\u53d6\u7684\u63aa\u65bd\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5e38\u89c1\u7684<\/span>LOG_ARCHIVE_DEST_n<\/span>\u5c5e\u6027\u5982\u4e0b\uff1a<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1<\/span>\uff0e<\/span>REOPEN<\/span>\u6307\u5b9a\u65f6\u95f4\u540e\u518d\u6b21\u5c1d\u8bd5\u5f52\u6863<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f7f\u7528<\/span>REOPEN=seconds<\/span>\uff08\u9ed8\u8ba4\u4e3a<\/span>300<\/span>\u79d2\uff09\u5c5e\u6027\uff0c\u5728\u6307\u5b9a\u65f6\u95f4\u91cd\u590d\u5c1d\u8bd5\u5411\u5f52\u6863\u76ee\u7684\u5730\u8fdb\u884c\u5f52\u6863\u64cd\u4f5c\uff0c\u5982\u679c\u8be5\u53c2\u6570\u503c\u8bbe\u7f6e\u4e3a<\/span>0<\/span>\uff0c\u5219\u4e00\u65e6\u5931\u8d25\u5c31\u4e0d\u4f1a\u518d\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\u5e76\u53d1\u9001\uff0c\u76f4\u5230\u4e0b\u6b21<\/span>REDO<\/span>\u6570\u636e\u518d\u88ab\u5f52\u6863\u65f6\u4f1a\u91cd\u65b0\u5c1d\u8bd5\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff0c\u8bbe\u7f6e<\/span>REOPEN<\/span>\u4e3a<\/span>100<\/span>\u79d2\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_2=’SERVICE=DavePrimary LGWR ASYNC REOPEN=100′<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff0e<\/span>ALTERNATE<\/span>\u6307\u5b9a\u66ff\u8865\u7684\u5f52\u6863\u76ee\u7684\u5730<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

ALTERNATE<\/span>\u5c5e\u6027\u5b9a\u4e49\u4e00\u4e2a\u66ff\u8865\u7684\u5f52\u6863\u76ee\u7684\u5730\uff0c\u6240\u8c13\u66ff\u8865\u5c31\u662f\u4e00\u65e6\u4e3b\u5f52\u6863\u76ee\u7684\u5730\u56e0\u5404\u79cd\u539f\u56e0\u65e0\u6cd5\u4f7f\u7528\uff0c\u5219\u4e34\u65f6\u5411<\/span>ALTERNATE<\/span>\u5c5e\u6027\u4e2d\u6307\u5b9a\u7684\u8def\u5f84\u5199\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_1=’LOCATION=\/disk1 ALTERNATE=LOG_ARCHIVE_DEST_2′<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_STATE_1=ENABLE\u00a0<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_2=’LOCATION=\/disk2′<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_STATE_2=ALTERNATE<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e0a\u8ff0\u53c2\u6570\u8bbe\u7f6e\u5f52\u6863\u8def\u5f84\u4e3a<\/span>\/disk1<\/span>\uff0c\u5f53<\/span>\/disk1<\/span>\u8def\u5f84\u4e0b\u65e0\u6cd5\u6210\u529f\u5f52\u6863\u65f6\uff0c\u81ea\u52a8\u5c1d\u8bd5\u5411<\/span>\/disk2<\/span>\u8def\u5f84\u4e0b\u5f52\u6863\u6587\u4ef6\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4ece\u529f\u80fd\u4e0a\u6765\u770b\uff0c<\/span>REOPEN<\/span>\u4e0e<\/span>ALTERNATE<\/span>\u662f\u6709\u4e00\u5b9a\u91cd\u590d\u7684\uff0c\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\u4e00\u70b9\uff0c<\/span>REOPEN<\/span>\u5c5e\u6027\u6bd4<\/span>ALTERNATE<\/span><\/span>\u5c5e\u6027\u7684\u4f18\u5148\u7ea7\u8981\u9ad8<\/span>\uff0c\u5982\u679c\u4f60\u6307\u5b9a<\/span>REOPEN<\/span>\u5c5e\u6027\u7684\u503c<\/span>>0<\/span>\uff0c\u5219<\/span>LGWR<\/span>\uff08\u6216<\/span>ARCn<\/span>\uff09\u8fdb\u7a0b\u4f1a\u9996\u5148\u5c1d\u8bd5\u5411\u4e3b\u5f52\u6863\u76ee\u7684\u5730\u5199\u5165\uff0c\u76f4\u5230\u8fbe\u5230\u6700\u5927\u91cd\u8bd5\u6b21\u6570\uff0c\u5982\u679c\u4ecd\u7136\u5199\u5165\u5931\u8d25\uff0c\u624d\u4f1a\u5411<\/span>ALTERNATE<\/span>\u5c5e\u6027\u6307\u5b9a\u7684\u8def\u5f84\u5199\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

3<\/span>\uff0e<\/span>MAX_FAILURE<\/span>\u63a7\u5236\u5931\u8d25\u5c1d\u8bd5\u6b21\u6570<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u7528<\/span>REOPEN<\/span>\u6307\u5b9a\u5931\u8d25\u540e\u91cd\u65b0\u5c1d\u8bd5\u7684\u65f6\u95f4\u5468\u671f\uff0c<\/span>MAX_FAILURE<\/span>\u5219\u63a7\u5236\u5931\u8d25\u5c1d\u8bd5\u7684\u6b21\u6570\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f8b\u5982\uff0c\u8bbe\u7f6e<\/span>LOG_ARCHIVE_DEST_1<\/span>\u5728\u672c\u5730\u5f52\u6863\u6587\u4ef6\u65f6\uff0c\u5982\u679c\u9047\u5230\u9519\u8bef\uff0c\u5219\u6bcf\u9694<\/span>100<\/span>\u79d2\u5c1d\u8bd5\u4e00\u6b21\uff0c\u5171\u5c1d\u8bd5\u4e0d\u8d85\u8fc7<\/span>3<\/span>\u6b21\uff0c\u8bbe\u7f6e\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

LOG_ARCHIVE_DEST_1=’LOCATION=E:\\ora10g\\oradata\\jsspdg\\ REOPEN=100 MAX_FAILURE=3′\u00a0<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u516d\uff0e\u7269\u7406<\/span>Standby<\/span>\u548c\u903b\u8f91<\/span>Standby<\/span>\u7684\u533a\u522b<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

Standby<\/span>\u6570\u636e\u5e93\u7c7b\u578b\u5206\u4e3a\u4e24\u7c7b\uff1a\u7269\u7406<\/span>Standby<\/span>\u548c\u903b\u8f91<\/span>Standby<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1<\/span>\uff0e\u7269\u7406<\/span>Standby<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u6211\u4eec\u77e5\u9053\u7269\u7406<\/span>Standby<\/span>\u4e0e<\/span>Primary<\/span>\u6570\u636e\u5e93\u5b8c\u5168\u4e00\u6a21\u4e00\u6837\uff0c<\/span>DG<\/span>\u901a\u8fc7<\/span>REDO<\/span>\u5e94\u7528\u6765\u7ef4\u62a4\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u901a\u5e38\u5728\u7269\u7406<\/span>Standby<\/span>\u6ca1\u6709\u6267\u884c<\/span>REDO<\/span>\u5e94\u7528\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5c06\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u4ee5<\/span>READ ONLY<\/span>\u6a21\u5f0f\u6253\u5f00\uff0c\u5982\u679c\u6570\u636e\u5e93\u4e2d\u6307\u5b9a\u4e86<\/span>Flashback Area<\/span>\u7684\u8bdd\uff0c\u751a\u81f3\u8fd8\u53ef\u4ee5\u88ab\u4e34\u65f6\u6027\u7684\u7f6e\u4e3a<\/span>READ WRITE<\/span>\u6a21\u5f0f\uff0c\u64cd\u4f5c\u5b8c\u4e4b\u540e\u518d\u901a\u8fc7<\/span>Flashback Database<\/span>\u7279\u6027\u6062\u590d\u56de<\/span>READ WRITE<\/span>\u524d\u7684\u72b6\u6001\uff0c\u4ee5\u4fbf\u7ee7\u7eed\u63a5\u6536<\/span>Primary<\/span>\u7aef\u53d1\u9001\u7684<\/span>REDO<\/span>\u5e76\u5e94\u7528\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

REDO<\/span>\u5e94\u7528\u3002\u7269\u7406<\/span>Standby<\/span>\u901a\u8fc7<\/span>REDO<\/span>\u5e94\u7528\u6765\u4fdd\u6301\u4e0e<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\uff0c\u6240\u8c13\u7684<\/span>REDO<\/span>\u5e94\u7528\uff0c\u5b9e\u8d28\u662f\u901a\u8fc7<\/span>Oracle<\/span>\u7684\u6062\u590d\u673a\u5236\uff0c\u5e94\u7528\u5f52\u6863\u6587\u4ef6\uff08\u6216<\/span>Standby Redologs<\/span>\u6587\u4ef6\uff09\u4e2d\u7684<\/span>REDO<\/span>\u6570\u636e\u3002\u6062\u590d\u64cd\u4f5c\u5c5e\u4e8e\u5757\u5bf9\u5757\u7684\u5e94\u7528\u3002\u5982\u679c\u6b63\u5728\u6267\u884c<\/span>REDO<\/span>\u5e94\u7528\u7684\u64cd\u4f5c\uff0c<\/span>Oracle<\/span>\u6570\u636e\u5e93\u5c31\u4e0d\u80fd\u88ab<\/span>Open<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

READ ONLY<\/span>\u6a21\u5f0f\u6253\u5f00\u3002\u4ee5<\/span>READ ONLY<\/span>\u6a21\u5f0f\u6253\u5f00\u540e\uff0c\u53ef\u4ee5\u5728<\/span>Standby<\/span>\u6570\u636e\u5e93\u6267\u884c\u67e5\u8be2\u6216\u5907\u4efd<\/strong><\/span><\/a>\u7b49\u64cd\u4f5c\uff08\u53d8\u76f8\u51cf\u8f7b<\/span>Primary<\/span>\u6570\u636e\u5e93\u538b\u529b\uff09\u3002\u6b64\u65f6<\/span>Standby<\/span>\u6570\u636e\u5e93\u4ecd\u7136\u80fd\u591f\u7ee7\u7eed\u63a5\u6536<\/span>Primary<\/span>\u6570\u636e\u5e93\u53d1\u9001\u7684<\/span>REDO<\/span>\u6570\u636e\uff0c\u4e0d\u8fc7\u5e76\u4e0d\u4f1a\u5e94\u7528\uff0c\u76f4\u5230<\/span>Standby<\/span>\u6570\u636e\u5e93\u91cd\u65b0\u6062\u590d<\/span>REDO<\/span>\u5e94\u7528\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e5f\u5c31\u662f\u8bf4\u5728<\/span>READ ONLY<\/span>\u6a21\u5f0f\u4e0b\u4e0d\u80fd\u6267\u884c<\/span>REDO<\/span>\u5e94\u7528\uff0c<\/span>REDO<\/span>\u5e94\u7528\u65f6\u6570\u636e\u5e93\u80af\u5b9a\u5904\u4e8e\u672a\u6253\u5f00\u72b6\u6001\u3002\u5982\u679c\u9700\u8981\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u5728\u4e24\u79cd\u72b6\u6001\u95f4\u8f6c\u6362\uff0c\u5982\u5148\u5e94\u7528<\/span>REDO<\/span>\uff0c\u7136\u540e\u5c06\u6570\u636e\u5e93\u7f6e\u4e3a<\/span>READ ONLY<\/span>\u72b6\u6001\uff0c\u9700\u8981\u4e0e<\/span>Primary<\/span>\u540c\u6b65\u65f6\u518d\u6b21\u6267\u884c<\/span>REDO<\/span>\u5e94\u7528\u547d\u4ee4\uff0c\u5207\u6362\u56de<\/span>REDO<\/span>\u5e94\u7528\u72b6\u6001\u3002\u5475\u5475\uff0c\u4eba\u751f<\/strong><\/span><\/a>\u5c31\u662f\u5faa\u73af\uff0c\u6570\u636e\u5e93\u4e5f\u662f\u4e00\u6837\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u63d0\u793a\uff1a<\/strong><\/span>Oracle\u00a011g<\/strong><\/span><\/a><\/span>\u7248\u672c\u4e2d\u589e\u5f3a\u7269\u7406<\/span>Standby<\/span>\u7684\u5e94\u7528\u529f\u80fd\uff0c\u5728<\/span>11g<\/span>\u7248\u672c\u4e2d\uff0c\u7269\u7406<\/span>Standby<\/span>\u53ef\u4ee5\u5728<\/span>OPEN READ ONLY<\/span>\u6a21\u5f0f\u4e0b\u7ee7\u7eed\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\uff0c\u8fd9\u5c31\u6781\u5927\u5730\u63d0\u5347\u4e86\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u7684\u5e94\u7528\u573a\u5408\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

READ WRITE<\/span>\u6a21\u5f0f\u6253\u5f00\u3002\u5982\u679c\u4ee5<\/span>READ WRITE<\/span>\u6a21\u5f0f\u6253\u5f00\uff0c\u90a3\u4e48<\/span>Standby<\/span>\u6570\u636e\u5e93\u5c06\u6682\u505c\u4ece<\/span>Primary<\/span>\u6570\u636e\u5e93\u63a5\u6536<\/span>REDO<\/span>\u6570\u636e\uff0c\u5e76\u4e14\u6682\u65f6\u5931\u53bb\u707e\u96be\u4fdd\u62a4\u7684\u529f\u80fd\u3002\u5f53\u7136\uff0c\u4ee5<\/span>READ WRITE<\/span>\u6a21\u5f0f\u6253\u5f00\u4e5f\u5e76\u975e\u4e00\u65e0\u662f\u5904\uff0c\u5982\u4f60\u53ef\u80fd\u9700\u8981\u4e34\u65f6\u8c03\u8bd5\u4e00\u4e9b\u6570\u636e\uff0c\u4f46\u53c8\u4e0d\u65b9\u4fbf\u5728\u6b63\u5f0f\u5e93\u4e2d\u64cd\u4f5c\uff0c\u90a3\u5c31\u53ef\u4ee5\u4e34\u65f6\u5c06<\/span>Standby<\/span>\u6570\u636e\u5e93\u7f6e\u4e3a<\/span>READ WRITE<\/span>\u6a21\u5f0f\uff0c\u64cd\u4f5c\u5b8c\u4e4b\u540e\u5c06\u6570\u636e\u5e93\u95ea\u56de\u5230\u64cd\u4f5c\u524d\u7684\u72b6\u6001\uff08\u95ea\u56de\u4e4b\u540e\uff0c<\/span>Data Guard<\/span>\u4f1a\u81ea\u52a8\u540c\u6b65\uff0c\u4e0d\u9700\u8981\u91cd\u5efa\u7269\u7406<\/span>Standby<\/span>\uff0c\u4e0d\u8fc7\u5982\u679c\u4ece\u53e6\u4e00\u4e2a\u65b9\u5411\u770b\uff0c\u6ca1\u6709\u542f\u52a8\u95ea\u56de\uff0c\u90a3\u5c31\u56de\u4e0d\u5230<\/span>READ WRITE<\/span>\u524d\u7684\u72b6\u6001\u4e86\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u7269\u7406<\/span>Standby<\/span>\u7279\u70b9\u5982\u4e0b\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>1<\/span>\uff09\u707e\u96be\u6062\u590d\u53ca\u9ad8\u53ef\u7528\u6027\u3002\u7269\u7406<\/span>Standby<\/span>\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5065\u5168\u3001\u9ad8\u6548\u7684\u707e\u96be\u6062\u590d\uff0c\u4ee5\u53ca\u9ad8\u53ef\u7528\u6027\u7684\u89e3\u51b3\u65b9\u6848\u3002\u66f4\u52a0\u6613\u4e8e\u7ba1\u7406<\/span>switchover\/failover<\/span>\u89d2\u8272\u8f6c\u6362\u53ca\u5728\u66f4\u77ed\u7684\u8ba1\u5212\u5185\u6216\u8ba1\u5212\u5916\u505c\u673a\u65f6\u95f4\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>2<\/span>\uff09\u6570\u636e\u4fdd\u62a4\u3002\u4f7f\u7528\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\uff0c<\/span>DG<\/span>\u80fd\u591f\u786e\u4fdd\u5373\u4f7f\u9762\u5bf9\u65e0\u6cd5\u9884\u6599\u7684\u707e\u5bb3\u4e5f\u80fd\u591f\u4e0d\u4e22\u5931\u6570\u636e\u3002\u524d\u9762\u4e5f\u63d0\u5230\u7269\u7406<\/span>Standby<\/span>\u662f\u57fa\u4e8e\u5757\u5bf9\u5757\u7684\u590d\u5236\uff0c\u56e0\u6b64\u4e0e\u5bf9\u8c61\u3001\u8bed\u53e5\u65e0\u5173\uff0c<\/span>Primary<\/span>\u6570\u636e\u5e93\u4e0a\u6709\u4ec0\u4e48\uff0c\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u7aef\u4e5f\u4f1a\u6709\u4ec0\u4e48\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>3<\/span>\uff09\u5206\u62c5<\/span>Primary<\/span>\u6570\u636e\u5e93\u538b\u529b\u3002\u901a\u8fc7\u5c06\u4e00\u4e9b\u5907\u4efd\u4efb\u52a1\u3001\u4ec5\u67e5\u8be2\u7684\u9700\u6c42\u8f6c\u79fb\u5230\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u6709\u6548\u8282\u7701<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684<\/span>CPU<\/span>\u53ca<\/span>I\/O<\/span>\u8d44\u6e90\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>4<\/span>\uff09\u63d0\u5347\u6027\u80fd\u3002\u7269\u7406<\/span>Standby<\/span>\u6240\u4f7f\u7528\u7684<\/span>REDO<\/span>\u5e94\u7528\u6280\u672f\u4f7f\u7528\u6700\u5e95\u5c42\u7684\u6062\u590d\u673a\u5236\uff0c\u8fd9\u79cd\u673a\u5236\u80fd\u591f\u7ed5\u8fc7<\/span>SQL<\/span>\u7ea7\u4ee3\u7801\u5c42\uff0c\u56e0\u6b64\u6548\u7387\u6700\u9ad8\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

2<\/span>\uff0e\u903b\u8f91<\/span>Standby<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u903b\u8f91<\/span>Standby<\/span>\u4e5f\u8981\u901a\u8fc7<\/span>Primary<\/span>\u6570\u636e\u5e93\uff08\u6216\u5176\u5907\u4efd\uff0c\u6216\u5176\u590d\u5236\u5e93\uff0c\u5982\u7269\u7406<\/span>Standby<\/span>\uff09\u521b\u5efa\uff0c\u56e0\u6b64\u5728\u521b\u5efa\u4e4b\u521d\u4e0e\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u7c7b\u4f3c\u3002\u4e0d\u8fc7\u7531\u4e8e\u903b\u8f91<\/span>Standby<\/span>\u901a\u8fc7<\/span>SQL<\/span>\u5e94\u7528\u7684\u65b9\u5f0f\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\uff0c\u56e0\u6b64\u903b\u8f91<\/span>Standby<\/span>\u7684\u7269\u7406\u6587\u4ef6\u7ed3\u6784\uff0c\u751a\u81f3\u6570\u636e\u7684\u903b\u8f91\u7ed3\u6784\u90fd\u53ef\u4ee5\u4e0e<\/span>Primary<\/span>\u4e0d\u4e00\u81f4\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4e0e\u7269\u7406<\/span>Standby<\/span>\u4e0d\u540c\uff0c\u903b\u8f91<\/span>Standby<\/span>\u6b63\u5e38\u60c5\u51b5\u4e0b\u662f\u4ee5<\/span>READ WRITE<\/span>\u6a21\u5f0f\u6253\u5f00\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u8bbf\u95ee\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\uff0c\u5c31\u662f\u8bf4\u903b\u8f91<\/span>Standby<\/span>\u662f\u5728<\/span>OPEN<\/span>\u72b6\u6001\u6267\u884c<\/span>SQL<\/span>\u5e94\u7528\u3002\u540c\u6837\u6709\u5229\u4e5f\u6709\u5f0a\uff0c\u7531\u4e8e<\/span>SQL<\/span>\u5e94\u7528\u81ea\u8eab\u7279\u70b9\uff0c\u903b\u8f91<\/span>Standby<\/span>\u5bf9\u4e8e\u67d0\u4e9b\u6570\u636e\u7c7b\u578b\u53ca\u4e00\u4e9b<\/span>DDL\/DML<\/span>\u8bed\u53e5\u4f1a\u6709\u64cd\u4f5c\u4e0a\u7684\u9650\u5236\u3002\u53ef\u4ee5\u5728\u89c6\u56fe<\/span>DBA_LOGSTDBY_UNSUPPORTED<\/strong><\/span>\u4e2d\u67e5\u770b\u4e0d\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u8fd9\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5219\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u5e93\u5b8c\u5168\u4e00\u81f4\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0<\/span>\u903b\u8f91<\/span>Standby<\/span>\u7684\u8bfb\u5199\u6253\u5f00\u53ef\u4ee5\u4f7f\u5b83\u505a\u62a5\u8868\u7cfb\u7edf\uff0c\u8fd9\u6837\u51cf\u8f7b\u7cfb\u7edf\u7684\u538b\u529b\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u9664\u4e86\u4e0a\u8ff0\u7269\u7406<\/span>Standby<\/span>\u4e2d\u63d0\u5230\u7684\u7c7b\u4f3c\u707e\u96be\u6062\u590d\u3001\u9ad8\u53ef\u7528\u6027\u53ca\u6570\u636e\u4fdd\u62a4\u7b49\u7279\u70b9\u4e4b\u5916\uff0c\u903b\u8f91<\/span>Standby<\/span>\u8fd8\u6709\u4e0b\u5217\u4e00\u4e9b\u7279\u70b9\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>1<\/span>\uff09\u6709\u6548\u5730\u5229\u7528\u5907\u673a\u7684\u786c\u4ef6\u8d44\u6e90\u3002\u9664\u707e\u96be\u6062\u590d\u5916\uff0c\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u8fd8\u53ef\u7528\u4e8e\u5176\u4ed6\u4e1a\u52a1\u9700\u6c42\u3002\u5982\u901a\u8fc7\u5728<\/span>Standby<\/span>\u6570\u636e\u5e93\u521b\u5efa\u989d\u5916\u7684\u7d22\u5f15\u3001\u7269\u5316\u89c6\u56fe\u7b49\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u5e76\u6ee1\u8db3\u7279\u5b9a\u4e1a\u52a1\u9700\u8981\uff1b\u53c8\u5982\u521b\u5efa\u65b0\u7684<\/span>SCHEMA<\/span>\uff08\u8be5<\/span>SCHEMA<\/span>\u5728<\/span>Primary<\/span>\u6570\u636e\u5e93\u7aef\u5e76\u4e0d\u5b58\u5728\uff09\uff0c\u7136\u540e\u5728\u8fd9\u4e9b<\/span>SCHEMA<\/span>\u4e2d\u6267\u884c\u90a3\u4e9b\u4e0d\u9002\u4e8e\u5728<\/span>Primary<\/span>\u6570\u636e\u5e93\u7aef\u6267\u884c\u7684<\/span>DDL<\/span>\u6216\u8005<\/span>DML<\/span>\u64cd\u4f5c\u7b49\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>2<\/span>\uff09\u5206\u62c5<\/span>Primary<\/span>\u6570\u636e\u5e93\u538b\u529b\u3002\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u53ef\u4ee5\u5728\u4fdd\u6301\u4e0e<\/span>Primary<\/span>\u540c\u6b65\u65f6\u4ecd\u7136\u7f6e\u4e8e\u6253\u5f00\u72b6\u6001\uff0c\u8fd9\u4f7f\u5f97\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u80fd\u591f\u540c\u65f6\u7528\u4e8e\u6570\u636e\u4fdd\u62a4\u548c\u62a5\u8868\u64cd\u4f5c\uff0c\u4ece\u800c\u5c06\u4e3b\u6570\u636e\u5e93\u4ece\u62a5\u8868\u548c\u67e5\u8be2\u4efb\u52a1\u4e2d\u89e3\u8131\u51fa\u6765\uff0c\u8282\u7ea6\u5b9d\u8d35\u7684<\/span>CPU<\/span>\u548c<\/span>I\/O<\/span>\u8d44\u6e90\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\uff08<\/span>3<\/span>\uff09\u5e73\u6ed1\u5347\u7ea7<\/strong>\u3002\u53ef\u4ee5\u901a\u8fc7\u903b\u8f91<\/span>Standby<\/span>\u6765\u5b9e\u73b0\u5982\u8de8\u7248\u672c\u5347\u7ea7\uff0c\u4e3a\u6570\u636e\u5e93\u6253\u8865\u4e01\u7b49\u64cd\u4f5c\u3002\u5e94\u8be5\u8bf4\u5e94\u7528\u7684\u7a7a\u95f4\u5f88\u5927\uff0c\u800c\u5e26\u6765\u7684\u98ce\u9669\u5374\u5f88\u5c0f\uff08\u524d\u63d0\u662f\u5982\u679c\u4f60\u62e5\u6709\u8db3\u591f\u7684\u6280\u672f\u5b9e\u529b\u3002\u53e6\u5916\u867d\u7136\u7269\u7406<\/span>Standby<\/span>\u4e5f\u80fd\u591f\u5b9e\u73b0\u4e00\u4e9b\u5347\u7ea7\u64cd\u4f5c\uff0c\u4f46\u5982\u679c\u8de8\u5e73\u53f0\u7684\u8bdd\u6050\u6015\u5c31\u529b\u4e0d\u4ece\u5fc3\u4e86\uff0c\u6240\u4ee5\u6b64\u9879\u6ca1\u6709\u4f5c\u4e3a\u7269\u7406<\/span>Standby<\/span>\u7684\u7279\u70b9\u5217\u51fa\uff09\uff0c\u6211\u4e2a\u4eba\u8ba4\u4e3a\u8fd9\u662f\u4e00\u79cd\u503c\u5f97\u53ef\u884c\u7684\u5728\u7ebf\u7684\u6eda\u52a8\u7684\u5e73\u6ed1\u7684\u5347\u7ea7\u65b9\u5f0f\uff0c\u5982\u679c\u4f60\u7684\u5e94\u7528\u652f\u6301\u521b\u5efa\u903b\u8f91<\/span>Standby<\/span>\u7684\u8bdd\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e03\uff0e<\/span>Log<\/span>\u5e94\u7528\u670d\u52a1\uff08<\/span>Log Apply Services<\/span>\uff09<\/span><\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

Data Guard<\/span>\u901a\u8fc7\u5e94\u7528<\/span>REDO<\/span>\u7ef4\u6301<\/span>Primary<\/span>\u6570\u636e\u5e93\u4e0e\u5404<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u5728\u540e\u53f0\u9ed8\u9ed8\u65e0\u95fb\u5730\u652f\u6491\u7740\u7684\u5c31\u662f\u4f20\u8bf4\u4e2d\u7684<\/span>Log<\/span>\u5e94\u7528\u670d\u52a1\u3002<\/span>Log<\/span>\u5e94\u7528\u670d\u52a1\u53c8\u5206\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

REDO<\/span>\u5e94\u7528\uff1a\u7269\u7406<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e13\u7528\uff0c\u901a\u8fc7\u4ecb\u8d28\u6062\u590d\u7684\u65b9\u5f0f\u4fdd\u6301\u4e0e<\/span>Primary<\/span>\u6570\u636e\u5e93\u7684\u540c\u6b65\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

SQL<\/span>\u5e94\u7528\uff1a\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e13\u7528\uff0c\u6838\u5fc3\u662f\u901a\u8fc7<\/span>LogMiner<\/span>\u5206\u6790\u51fa<\/span>SQL<\/span>\u8bed\u53e5\u5728<\/span>Standby<\/span>\u7aef\u6267\u884c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u56e0\u6b64\u7269\u7406<\/span>Standby<\/span>\u5728\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\u65f6\u5fc5\u987b\u662f<\/span>MOUNT<\/span>\u72b6\u6001\uff0c\u800c\u903b\u8f91<\/span>Standby<\/span>\u5219\u662f\u4ee5<\/span>READ WRITE<\/span>\u6a21\u5f0f\u6253\u5f00\u5e76\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\uff0c\u4e0d\u8fc7\u88ab\u7ef4\u62a4\u7684\u5bf9\u8c61\u9ed8\u8ba4\u5904\u4e8e\u53ea\u8bfb\u72b6\u6001\uff0c\u65e0\u6cd5\u5728\u903b\u8f91<\/span>Standby<\/span>\u7aef\u76f4\u63a5\u4fee\u6539\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.1\u00a0Log<\/span>\u5e94\u7528\u670d\u52a1\u914d\u7f6e\u9009\u9879<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<\/span>Log<\/span>\u5e94\u7528\u670d\u52a1\u4f1a\u7b49\u5f85\u5355\u4e2a\u5f52\u6863\u6587\u4ef6\u5168\u90e8\u63a5\u6536\u4e4b\u540e\u518d\u542f\u52a8\u5e94\u7528\uff0c\u5982\u679c<\/span>Standby<\/span>\u6570\u636e\u5e93\u914d\u7f6e\u4e86<\/span>Standby Redologs<\/span>\uff0c\u5c31\u53ef\u4ee5\u6253\u5f00\u5b9e\u65f6\u5e94\u7528\uff08<\/span>Real-Time Apply<\/span>\uff09\uff0c\u8fd9\u6837<\/span>Data Guard<\/span>\u5c31\u4e0d\u9700\u8981\u518d\u7b49\u5f85\u63a5\u6536\u5b8c\u5f52\u6863\u6587\u4ef6\uff0c\u53ea\u8981<\/span>RFS<\/span>\u8fdb\u7a0b\u5c06<\/span>REDO<\/span>\u6570\u636e\u5199\u5165<\/span>Standby Redologs<\/span><\/span>\uff0c\u5373\u53ef\u901a\u8fc7<\/span>MRP\/LSP<\/span>\u5b9e\u65f6\u5199\u5411<\/span>Standby<\/span>\u6570\u636e\u5e93\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.1.1<\/span>\uff0e<\/span>REDO<\/span>\u6570\u636e\u5b9e\u65f6\u5e94\u7528<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u542f\u52a8\u5b9e\u65f6\u5e94\u7528\u7684\u4f18\u52bf\u5728\u4e8e\uff0c<\/span>REDO<\/span>\u6570\u636e\u4e0d\u9700\u8981\u7b49\u5f85\u5f52\u6863\u5b8c\u6210\uff0c\u63a5\u6536\u5230\u5373\u53ef\u88ab\u5e94\u7528\uff0c\u8fd9\u6837\u6267\u884c\u89d2\u8272\u5207\u6362\u65f6\uff0c\u64cd\u4f5c\u80fd\u591f\u6267\u884c\u5f97\u66f4\u5feb\uff0c\u56e0\u4e3a\u65e5\u5fd7\u662f\u88ab\u5373\u65f6\u5e94\u7528\u7684\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u8981\u542f\u52a8\u5b9e\u65f6\u5e94\u7528\u4e5f\u7b80\u5355\uff0c\u524d\u63d0\u662f<\/span>Standby<\/span>\u6570\u636e\u5e93\u7aef\u914d\u7f6e\u4e86<\/span>Standby Redologs<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u7269\u7406<\/span>Standby<\/span>\u8981\u542f\u7528\u5b9e\u65f6\u5e94\u7528\uff0c\u8981\u5728\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\u7684\u8bed\u53e5\u540e\u9644\u52a0<\/span>USING CURRENT LOGFIE<\/span>\u5b50\u53e5\uff0c\u4f8b\u5982\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE ;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u903b\u8f91<\/span>Standby<\/span>\u8981\u542f\u7528\u5b9e\u65f6\u5e94\u7528\uff0c\u53ea\u9700\u8981\u5728\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\u7684\u8bed\u53e5\u540e\u9644\u52a0<\/span>IMMEDIATE<\/span>\u5b50\u53e5\u5373\u53ef\uff0c\u4f8b\u5982\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.1.2<\/span>\uff0e<\/span>REDO<\/span>\u6570\u636e\u5ef6\u8fdf\u5e94\u7528<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6709\u5b9e\u65f6\u5c31\u6709\u5ef6\u8fdf\uff0c\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4f60\u53ef\u80fd\u4e0d\u5e0c\u671b<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e0e<\/span>Primary<\/span>\u592a\u8fc7\u540c\u6b65\uff0c\u90a3\u5c31\u53ef\u4ee5\u5728<\/span>Primary<\/span>\u6570\u636e\u5e93\u7aef\u53d1\u9001<\/span>REDO<\/span>\u6570\u636e\u7684\u76f8\u5e94<\/span>LOG_ARCHIVE_DEST_n<\/span>\u53c2\u6570\u4e2d\u6307\u5b9a<\/span>DELAY<\/span>\u5c5e\u6027\uff08\u5355\u4f4d\u4e3a\u5206\u949f\uff0c\u5982\u679c\u6307\u5b9a\u4e86<\/span>DELAY<\/span>\u5c5e\u6027\uff0c\u4f46\u6ca1\u6709\u6307\u5b9a\u503c\uff0c\u5219\u9ed8\u8ba4\u662f<\/span>30<\/span>\u5206\u949f\uff09\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6ce8\u610f\uff1a\u8be5\u5c5e\u6027\u5e76\u4e0d\u662f\u8bf4\u5ef6\u8fdf\u53d1\u9001<\/span>REDO<\/span>\u6570\u636e\u5230<\/span>Standby<\/span>\uff0c\u800c\u662f\u6307\u660e\u5f52\u6863\u5230<\/span>Standby<\/span>\u540e\uff0c\u5f00\u59cb\u5e94\u7528\u7684\u65f6\u95f4\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4f8b\u5982\uff1a\u8bbe\u7f6e<\/span>LOG_ARCHIVE_DEST_3<\/span>\u7684<\/span>DELAY<\/span>\u5c5e\u6027\u4e3a<\/span>15<\/span>\u5206\u949f\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_3=’SERVICE=DavePrimary ARCH VALID_ FOR=\u00a0<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

(ONLINE_LOGFILES, PRIMARY_ROLE) DB_UNIQUE_NAME=Dave DELAY=15′;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e0d\u8fc7\uff0c\u5982\u679c<\/span>DBA<\/span>\u5728\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\u65f6\u6307\u5b9a\u4e86\u5b9e\u65f6\u5e94\u7528\uff0c\u90a3\u4e48\u5373\u4f7f\u5728<\/span>LOG_ ARCHIVE_DEST_n<\/span>\u53c2\u6570\u4e2d\u6307\u5b9a\u4e86<\/span>DELAY<\/span>\u5c5e\u6027\uff0c<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e5f\u4f1a\u5ffd\u7565<\/span>DELAY<\/span><\/span>\u5c5e\u6027<\/span>\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u53e6\u5916\uff0c<\/span>Standby<\/span>\u7aef\u8fd8\u53ef\u4ee5\u5728\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\u65f6\uff0c\u901a\u8fc7\u9644\u52a0<\/span>NODELAY<\/span>\u5b50\u53e5\u7684\u65b9\u5f0f\uff0c\u53d6\u6d88\u5ef6\u8fdf\u5e94\u7528\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u7269\u7406<\/span>Standby<\/span>\u53ef\u4ee5\u901a\u8fc7\u4e0b\u5217\u8bed\u53e5\u53d6\u6d88\u5ef6\u8fdf\u5e94\u7528\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE NODELAY;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u903b\u8f91<\/span>Standby<\/span>\u53ef\u4ee5\u901a\u8fc7\u4e0b\u5217\u8bed\u53e5\u53d6\u6d88\u5ef6\u8fdf\u5e94\u7528\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE START LOGICAL STANDBY APPLY NODELAY;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e00\u822c\u8bbe\u7f6e\u5ef6\u8fdf\u5e94\u7528\u7684\u9700\u6c42\u90fd\u662f\u57fa\u4e8e\u5bb9\u9519\u65b9\u9762\u7684\u8003\u8651\uff0c\u5982<\/span>Primary<\/span>\u6570\u636e\u5e93\u7aef\u7531\u4e8e\u8bef\u64cd\u4f5c\uff0c\u6570\u636e\u88ab\u610f\u5916\u4fee\u6539\u6216\u5220\u9664\uff0c\u53ea\u8981<\/span>Standby<\/span>\u6570\u636e\u5e93\u5c1a\u672a\u5e94\u7528\u8fd9\u4e9b\u4fee\u6539\uff0c\u4f60\u5c31\u53ef\u4ee5\u5feb\u901f\u4ece<\/span>Standby<\/span>\u6570\u636e\u5e93\u4e2d\u6062\u590d\u8fd9\u90e8\u5206\u6570\u636e\u3002\u4e0d\u8fc7\u81ea<\/span>Oracle<\/span>\u4ece<\/span>9i<\/span>\u7248\u672c\u5f00\u59cb\u63d0\u4f9b<\/span>FLASHBACK<\/span>\u7279\u6027\u4e4b\u540e\uff0c\u5bf9\u4e8e\u8bef\u64cd\u4f5c\u4f7f\u7528<\/span>FLASHBACK<\/span>\u7279\u6027\u8fdb\u884c\u6062\u590d\uff0c\u663e\u7136\u66f4\u52a0\u65b9\u4fbf\u5feb\u6377\uff0c\u56e0\u6b64<\/span>DELAY<\/span>\u65b9\u5f0f\u5ef6\u8fdf\u5e94\u7528\u5df2\u7ecf\u975e\u5e38\u5c11\u89c1\u4e86\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.2\u00a0<\/span>\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\u5230<\/span>Standby<\/span>\u6570\u636e\u5e93<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.2.1<\/span>\uff0e\u7269\u7406<\/span>Standby<\/span>\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u7269\u7406<\/span>Standby<\/span>\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\uff0c\u6570\u636e\u5e93\u8981\u5904\u4e8e<\/span>MOUNT<\/span>\u72b6\u6001\u6216\u662f<\/span>OPEN READ ONLY<\/span>\u72b6\u6001\uff0c\u542f\u52a8<\/span>REDO<\/span>\u5e94\u7528\u7684\u547d\u4ee4\u76f8\u4fe1\u5927\u5bb6\u5df2\u7ecf\u975e\u5e38\u719f\u6089\u4e86\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u524d\u53f0\u5e94\u7528\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u8bed\u53e5\u6267\u884c\u5b8c\u6210\u540e\uff0c\u4e0d\u4f1a\u5c06\u63a7\u5236\u6743\u8fd4\u56de\u5230\u547d\u4ee4\u884c\u7a97\u53e3\uff0c\u9664\u975e\u4f60\u624b\u52a8\u4e2d\u6b62\u5e94\u7528\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5982\u679c\u8fd8\u9700\u8981\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\uff0c\u53ea\u80fd\u65b0\u5f00\u4e00\u4e2a\u547d\u4ee4\u884c\u8fde\u63a5\uff0c\u5728<\/span>Oracle 8i<\/span>\u521a\u63a8\u51fa<\/span>Standby<\/span>\u7279\u6027\u65f6\uff08\u90a3\u65f6\u4e0d\u53eb<\/span>Data Guard<\/span>\uff09\uff0c\u53ea\u63d0\u4f9b\u4e86\u8fd9\u79cd\u65b9\u5f0f\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u540e\u53f0\u5e94\u7528\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL>ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT;<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u8fd9\u662f\u73b0\u5728\u6bd4\u8f83\u901a\u7528\u7684\u65b9\u5f0f\uff0c\u8bed\u53e5\u6267\u884c\u5b8c\u540e\uff0c\u63a7\u5236\u6743\u81ea\u52a8\u8fd4\u56de\u5230\u5f53\u524d\u7684\u547d\u4ee4\u884c\u6a21\u5f0f\uff0c<\/span>REDO<\/span>\u5e94\u7528\u4ee5\u540e\u53f0\u8fdb\u7a0b\u8fd0\u884c\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u542f\u52a8\u5b9e\u65f6\u5e94\u7528\uff0c\u9644\u52a0<\/span>USING CURRENT LOGFILE<\/span>\u5b50\u53e5\u5373\u53ef\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5982\u679c\u8981\u505c\u6b62<\/span>REDO<\/span>\u5e94\u7528\uff0c\u6267\u884c\u4e0b\u5217\u8bed\u53e5\u5373\u53ef\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

7.2.2<\/span>\uff0e\u903b\u8f91<\/span>Standby<\/span>\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL<\/span>\u5e94\u7528\u7684\u539f\u7406\u662f\u5c06\u63a5\u6536\u5230\u7684<\/span>REDO<\/span>\u6570\u636e\u8f6c\u6362\u6210<\/span>SQL<\/span>\u8bed\u53e5\u5728\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u7aef\u6267\u884c\uff0c\u56e0\u6b64\u903b\u8f91<\/span>Standby<\/span>\u9700\u8981\u542f\u52a8\u81f3<\/span>OPEN<\/span>\u72b6\u6001\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\uff08<\/span>1<\/span>\uff09\u542f\u52a8<\/span>SQL<\/span>\u5e94\u7528\u3002\u903b\u8f91<\/span>Standby<\/span>\u6570\u636e\u5e93\u542f\u52a8<\/span>SQL<\/span>\u5e94\u7528\u6ca1\u6709\u524d\u3001\u540e\u53f0\u8fd0\u884c\u4e4b\u8bf4\uff0c\u8bed\u53e5\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u63a7\u5236\u6743\u5c31\u4f1a\u81ea\u52a8\u8fd4\u56de\u5f53\u524d\u547d\u4ee4\u884c\u7a97\u53e3\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u8981\u542f\u52a8<\/span>SQL<\/span>\u5e94\u7528\uff0c\u76f4\u63a5\u6267\u884c\u4e0b\u5217\u8bed\u53e5\u5373\u53ef\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE START LOGICAL STANDBY APPLY;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5982\u679c\u8981\u542f\u52a8\u5b9e\u65f6\u5e94\u7528\uff0c\u9644\u52a0<\/span>IMMEDIATE<\/span>\u5b50\u53e5\u5373\u53ef\uff0c\u4f8b\u5982\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\uff08<\/span>2<\/span>\uff09\u505c\u6b62<\/span>SQL<\/span>\u5e94\u7528\uff0c\u5982\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE STOP LOGICAL STANDBY APPLY;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u7531\u4e8e\u662f\u6267\u884c<\/span>SQL<\/span>\u8bed\u53e5\u7684\u65b9\u5f0f\u5e94\u7528<\/span>REDO<\/span>\u6570\u636e\uff0c\u56e0\u6b64\u4e0a\u8ff0\u8bed\u53e5\u7684\u6267\u884c\u9700\u8981\u7b49\u5f85\u5f53\u524d\u6267\u884c\u7684<\/span>SQL<\/span>\u89e6\u53d1\u7684\u4e8b\u52a1\u7ed3\u675f\uff0c\u624d\u80fd\u771f\u6b63\u505c\u6b62<\/span>REDO<\/span>\u5e94\u7528\u7684\u72b6\u6001\u3002<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5982\u679c\u4e0d\u8003\u8651\u4e8b\u52a1\u6267\u884c\u60c5\u51b5\uff0c\u9a6c\u4e0a\u505c\u6b62<\/span>REDO<\/span>\u5e94\u7528\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0b\u5217\u7684\u8bed\u53e5\u6765\u5b8c\u6210\uff1a<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

SQL> ALTER DATABASE ABORT LOGICAL STANDBY APPLY;<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u6765\u6e90\uff1a<\/span>Linux<\/span>\u793e\u533a<\/span>\u00a0<\/span>\u4f5c\u8005\uff1a<\/span>tianlesoftware<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u6ce8\uff1a\u6574\u7406\u81ea\u5f20\u6653\u660e\u300a\u5927\u8bdd<\/span>Oracle RAC<\/span>\u300b\u548c\u674e\u4e19\u6d0b\u300a\u6d82\u62b9<\/span>Oracle<\/span>\u300b<\/span><\/span>
\n\t\t\t<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0 \u00a0 \u6765\u6e90\uff1aLinux\u793e\u533a\u00a0\u4f5c\u8005\uff1atianlesoftware\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 RAC\uff0cData\u00a0Gur […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/293"}],"collection":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=293"}],"version-history":[{"count":1,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions"}],"predecessor-version":[{"id":294,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions\/294"}],"wp:attachment":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}