{"id":60243,"date":"2024-10-13T01:14:16","date_gmt":"2024-10-12T17:14:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60243\/"},"modified":"2024-10-13T01:14:16","modified_gmt":"2024-10-12T17:14:16","slug":"dataguard%e5%96%ae%e5%af%a6%e4%be%8b%e5%88%b0rac%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60243\/","title":{"rendered":"DataGuard\u55ae\u5be6\u4f8b\u5230RAC\u642d\u5efa"},"content":{"rendered":"<h1 id=\"dataguard%e5%96%ae%e5%af%a6%e4%be%8b%e5%88%b0rac%e6%90%ad%e5%bb%ba-bgvLHQeByq\">DataGuard\u55ae\u5be6\u4f8b\u5230RAC\u642d\u5efa<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u7ba1\u7406\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002Oracle\u7684DataGuard\u662f\u4e00\u7a2e\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u4fdd\u8b77\u6578\u64da\u5eab\u514d\u53d7\u6545\u969c\u5f71\u97ff\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07DataGuard\u5f9e\u55ae\u5be6\u4f8b\u5347\u7d1a\u5230RAC\uff08Real Application Clusters\uff09\u74b0\u5883\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdataguard%ef%bc%9f-bgvLHQeByq\">\u4ec0\u9ebc\u662fDataGuard\uff1f<\/h2>\n<p>Oracle DataGuard\u662f\u4e00\u7a2e\u6578\u64da\u4fdd\u8b77\u548c\u707d\u96e3\u6062\u5fa9\u89e3\u6c7a\u65b9\u6848\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e3b\u6578\u64da\u5eab\u548c\u4e00\u500b\u6216\u591a\u500b\u5099\u7528\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u540c\u6b65\u3002\u9019\u7a2e\u6280\u8853\u4e0d\u50c5\u80fd\u5920\u4fdd\u8b77\u6578\u64da\uff0c\u9084\u80fd\u5728\u4e3b\u6578\u64da\u5eab\u767c\u751f\u6545\u969c\u6642\u5feb\u901f\u6062\u5fa9\u670d\u52d9\u3002<\/p>\n<h2 id=\"rac%e7%9a%84%e5%84%aa%e5%8b%a2-bgvLHQeByq\">RAC\u7684\u512a\u52e2<\/h2>\n<p>RAC\u662f\u4e00\u7a2e\u96c6\u7fa4\u6280\u8853\uff0c\u5141\u8a31\u591a\u500b\u4f3a\u670d\u5668\u540c\u6642\u8a2a\u554f\u540c\u4e00\u6578\u64da\u5eab\u3002\u9019\u7a2e\u67b6\u69cb\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u5373\u4f7f\u67d0\u500b\u4f3a\u670d\u5668\u767c\u751f\u6545\u969c\uff0c\u5176\u4ed6\u4f3a\u670d\u5668\u4ecd\u7136\u53ef\u4ee5\u7e7c\u7e8c\u63d0\u4f9b\u670d\u52d9\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u53ef\u4ee5\u5c07\u8acb\u6c42\u5206\u914d\u5230\u591a\u500b\u4f3a\u670d\u5668\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u8f15\u9b06\u6dfb\u52a0\u6216\u522a\u9664\u4f3a\u670d\u5668\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%be%9e%e5%96%ae%e5%af%a6%e4%be%8b%e5%88%b0rac%e7%9a%84%e6%ad%a5%e9%a9%9f-bgvLHQeByq\">\u5f9e\u55ae\u5be6\u4f8b\u5230RAC\u7684\u6b65\u9a5f<\/h2>\n<p>\u5c07DataGuard\u5f9e\u55ae\u5be6\u4f8b\u5347\u7d1a\u5230RAC\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u4e3b\u8981\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-bgvLHQeByq\">1. \u74b0\u5883\u6e96\u5099<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u6240\u6709\u4f3a\u670d\u5668\u90fd\u5df2\u5b89\u88ddOracle\u8edf\u4ef6\u4e26\u914d\u7f6e\u597d\u7db2\u7d61\u3002\u60a8\u9700\u8981\u81f3\u5c11\u5169\u53f0\u4f3a\u670d\u5668\u4f86\u642d\u5efaRAC\u74b0\u5883\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%barac%e6%95%b8%e6%93%9a%e5%ba%ab-bgvLHQeByq\">2. \u5275\u5efaRAC\u6578\u64da\u5eab<\/h3>\n<pre><code>CREATE DATABASE myRACDB\n   USER SYS IDENTIFIED BY password\n   USER SYSTEM IDENTIFIED BY password\n   LOGFILE GROUP 1 ('\/u01\/app\/oracle\/oradata\/myRACDB\/redo01.log') SIZE 50M,\n           GROUP 2 ('\/u01\/app\/oracle\/oradata\/myRACDB\/redo02.log') SIZE 50M,\n           GROUP 3 ('\/u01\/app\/oracle\/oradata\/myRACDB\/redo03.log') SIZE 50M\n   MAXLOGFILES 5\n   MAXLOGFILE SIZE 50M\n   MAXDATAFILES 100\n   MAXINSTANCES 2\n   CHARACTER SET UTF8;<\/code><\/pre>\n<h3 id=\"3-%e9%85%8d%e7%bd%aedataguard-bgvLHQeByq\">3. \u914d\u7f6eDataGuard<\/h3>\n<p>\u5728RAC\u74b0\u5883\u4e2d\u914d\u7f6eDataGuard\u9700\u8981\u9032\u884c\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5728\u4e3b\u6578\u64da\u5eab\u4e0a\u555f\u7528\u6b78\u6a94\u6a21\u5f0f\uff1a<\/li>\n<pre><code>ALTER DATABASE ARCHIVELOG;<\/code><\/pre>\n<li>\u5275\u5efa\u5099\u7528\u6578\u64da\u5eab\u4e26\u914d\u7f6e\u70baDataGuard\u5099\u7528\uff1a<\/li>\n<pre><code>CREATE DATABASE myStandbyDB AS COPY OF myRACDB;<\/code><\/pre>\n<li>\u914d\u7f6e\u7db2\u7d61\u9023\u63a5\u4ee5\u78ba\u4fdd\u4e3b\u6578\u64da\u5eab\u548c\u5099\u7528\u6578\u64da\u5eab\u4e4b\u9593\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-bgvLHQeByq\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fddDataGuard\u6b63\u5e38\u904b\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u5099\u7528\u6578\u64da\u5eab\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT DATABASE_ROLE, OPEN_MODE FROM V$DATABASE;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bgvLHQeByq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5347\u7d1a\u904e\u7a0b\u4e2d\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6240\u6709\u4f3a\u670d\u5668\u7684Oracle\u7248\u672c\u4e00\u81f4\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u4ee5\u61c9\u5c0d\u8ca0\u8f09\u8b8a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bgvLHQeByq\">\u7e3d\u7d50<\/h2>\n<p>\u5c07DataGuard\u5f9e\u55ae\u5be6\u4f8b\u5347\u7d1a\u5230RAC\u74b0\u5883\u662f\u4e00\u500b\u8907\u96dc\u4f46\u5fc5\u8981\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u9019\u4e00\u8f49\u8b8a\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5728\u9762\u5c0d\u6545\u969c\u6642\u4ecd\u80fd\u4fdd\u6301\u7a69\u5b9a\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u670d\u52d9\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to transition from a single instance to a RAC setup with DataGuard for enhanced database availability and performance.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60243","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60243"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60243\/revisions"}],"predecessor-version":[{"id":60244,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60243\/revisions\/60244"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}