\u5357\u4eac\u6570\u636e\u6062\u590d<\/p>\n
\u5f53\u751f\u4ea7\u73af\u5883\u7684SQL Server\u7a81\u7136\u7f62\u5de5\uff0c\u5c4f\u5e55\u4e0a\u8df3\u51fa\u7684\u9519\u8bef\u4ee3\u7801\u8db3\u4ee5\u8ba9\u4efb\u4f55DBA\u5fc3\u5934\u4e00\u7d27\u30022025\u5e74\u7684\u6570\u636e\u5e93\u6218\u573a\u6bd4\u60f3\u8c61\u4e2d\u66f4\u6b8b\u9177\u2014\u2014\u52d2\u7d22\u8f6f\u4ef6\u653b\u51fb\u6fc0\u589e37%\uff0c\u4e91\u8fc1\u79fb\u6545\u969c\u7387\u6500\u5347\uff0c\u751a\u81f3AI\u9a71\u52a8\u7684\u81ea\u52a8\u4f18\u5316\u5de5\u5177\u90fd\u53ef\u80fd\u5f15\u53d1\u8fde\u9501\u5d29\u6e83\u3002\u522b\u6025\u7740\u91cd\u542f\u670d\u52a1\u5668\uff01\u8fd9\u4efd\u878d\u5408\u6700\u65b0\u653b\u9632\u7ecf\u9a8c\u7684\u4fee\u590d\u6307\u5357\uff0c\u6216\u8bb8\u80fd\u6551\u4f60\u7684\u6570\u636e\u5e93\u4e8e\u6c34\u706b\u3002<\/p>\n
\u7b2c\u4e00\u6b65\uff1a\u7a7f\u900f\u9519\u8bef\u8ff7\u96fe\u7684\u6df1\u5ea6\u8bca\u65ad\u672f<\/strong><\/p>\n \u9762\u5bf9\u9891\u7e41\u7684”Login failed for user”\u6216\u5e7d\u7075\u822c\u7684”Error 824″\uff0c2025\u5e74\u7684DBA\u65e9\u5df2\u544a\u522b\u76f2\u76ee\u731c\u8c1c\u3002\u5fae\u8f6f\u6700\u65b0\u6574\u5408\u7684\u667a\u80fd\u8bca\u65ad\u5305\uff08Intelligent Diagnostic Pack, IDP\uff09\u6210\u4e3a\u7834\u5c40\u5173\u952e\u3002\u67d0\u8de8\u5883\u7535\u5546\u5e73\u53f0\u57282025\u5e743\u6708\u7684\u6848\u4f8b\u6781\u5177\u4ee3\u8868\u6027\uff1a\u6bcf\u5c0f\u65f6\u51fa\u73b015\u6b21\u6b7b\u9501\u8b66\u62a5\uff0c\u4f20\u7edf\u6392\u67e5\u8017\u65f6\u4e09\u5929\uff0c\u800cIDP\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u5206\u6790\u7b49\u5f85\u94fe\uff0c10\u5206\u949f\u5185\u9501\u5b9a\u67d0\u7b2c\u4e09\u65b9\u7269\u6d41\u63a5\u53e3\u7684\u5f02\u5e38\u63d0\u4ea4\u6a21\u5f0f\u3002\u66f4\u503c\u5f97\u5173\u6ce8\u7684\u662f\u91cf\u5b50\u52a0\u5bc6\u5a01\u80c1\u2014\u20142025\u5e741\u6708\u67d0\u91d1\u878d\u673a\u6784\u906d\u9047\u9488\u5bf9TDE\u52a0\u5bc6\u6570\u636e\u5e93\u7684\u5b9a\u5411\u653b\u51fb\uff0c\u9519\u8bef\u65e5\u5fd7\u88ab\u6076\u610f\u6e05\u7406\u3002\u6b64\u65f6\u9700\u7d27\u6025\u542f\u7528\u9690\u85cf\u8bca\u65ad\u6807\u5fd7\u4f4d 3604\uff0c\u914d\u5408DBCC TRACEON\u5c06\u5185\u5b58\u65e5\u5fd7\u76f4\u8f6c\u9519\u8bef\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n \u786c\u4ef6\u5c42\u6545\u969c\u540c\u6837\u6697\u85cf\u6740\u673a\u30022025\u5e74\u4e3b\u6d41NVMe SSD\u7684\u5199\u653e\u5927\u95ee\u9898\u5bfc\u81f4\u591a\u5bb6\u4e91\u670d\u52a1\u5546\u51fa\u73b0\u6821\u9a8c\u548c\u9519\u8bef\u6d6a\u6f6e\u3002\u5f53DBCC CHECKDB\u62a5\u544a”Msg 8935″\u65f6\uff0c\u522b\u6025\u7740\u6267\u884cREPAIR_ALLOW_DATA_LOSS\u3002\u7acb\u5373\u4f7f\u7528Windows\u6027\u80fd\u5206\u6790\u5668\u6293\u53d6\u5b58\u50a8\u6808\u5ef6\u8fdf\u76f4\u65b9\u56fe\uff0c\u5e76\u4e0eSQL Server\u7684LATCH_EX\u7b49\u5f85\u65f6\u95f4\u5173\u8054\u5206\u6790\u3002\u67d0\u6e38\u620f\u516c\u53f8\u57282025\u5e742\u6708\u56e0\u6b64\u53d1\u73b0\u67d0\u6279\u6b21SSD\u56fa\u4ef6\u7f3a\u9677\uff0c\u907f\u514d60TB\u6e38\u620f\u6570\u636e\u8bef\u4fee\u590d\u3002<\/p>\n \u7d27\u6025\u6b62\u8840\uff1a\u4ece\u5355\u9875\u4fee\u590d\u5230\u8de8\u5e93\u6025\u6551<\/strong><\/p>\n \u5f53\u770b\u5230”Page (1:158) marked as corrupted”\u7684\u7ea2\u8272\u8b66\u62a5\uff0c\u4f20\u7edf\u601d\u7ef4\u662f\u8131\u673a\u8fd0\u884cCHECKDB\u3002\u4f46\u57282025\u5e74\u91d1\u878d\u7ea7\u9ad8\u53ef\u7528\u573a\u666f\u4e0b\uff0c\u6bcf\u79d2\u505c\u987f\u90fd\u610f\u5473\u7740\u767e\u4e07\u635f\u5931\u3002\u65b0\u578b\u70ed\u4fee\u590d\u6280\u672fALTER DATABASE … PAGE_REPAIR\u5df2\u652f\u6301\u5728\u7ebf\u66ff\u6362\u7269\u7406\u574f\u9875\u3002\u67d0\u652f\u4ed8\u5e73\u53f0\u57282025\u5e744\u6708\u5b9e\u6218\u4e2d\uff0c\u901a\u8fc7\u9884\u5148\u914d\u7f6e\u7684\u5907\u7528\u9875\u6c60\uff08\u7531CREATE DATABASE … WITH PAGE_REPAIR_OPTIONS\u521b\u5efa\uff09\uff0c\u4ec5\u75283.7\u79d2\u5b8c\u6210\u4ea4\u6613\u6838\u5fc3\u8868\u4fee\u590d\u3002\u66f4\u9707\u64bc\u7684\u662f\u8de8\u5e93\u4fee\u590d\u7a81\u7834\u2014\u2014\u5229\u7528\u65b0\u53d1\u5e03\u7684Linked Restore\u6280\u672f\uff0c\u53ef\u5c06\u540c\u7248\u672c\u5b9e\u4f8b\u7684\u7cfb\u7edf\u8868\u9875\u76f4\u63a5\u6ce8\u5165\u6545\u969c\u5e93\uff0c\u89e3\u51b3\u957f\u671f\u56f0\u6270\u7684”master\u5e93\u5d29\u6e83\u5373\u56e2\u706d”\u56f0\u5c40\u3002<\/p>\n \u52d2\u7d22\u75c5\u6bd2\u4ecd\u662f2025\u5e74\u7684\u5934\u53f7\u5a01\u80c1\uff0c\u4f46\u653b\u51fb\u6a21\u5f0f\u5df2\u8fed\u4ee3\u4e3a\u4e09\u91cd\u52d2\u7d22\uff1a\u52a0\u5bc6\u6570\u636e+\u7a83\u53d6\u65e5\u5fd7+\u6c61\u67d3\u5907\u4efd\u3002\u67d0\u5236\u9020\u4e1a\u5de8\u5934\u57282025\u5e74\u7b2c\u4e00\u5b63\u5ea6\u906d\u9047\u65b0\u578b.halo\u52d2\u7d22\u75c5\u6bd2\uff0c\u5176SQL\u5907\u4efd\u6587\u4ef6\u88ab\u6ce8\u5165\u903b\u8f91\u70b8\u5f39\u3002\u6b64\u65f6\u5fc5\u987b\u91c7\u7528”\u7a7a\u6c14\u9699\u6062\u590d”\uff1a\u5148\u901a\u8fc7DAC\u6a21\u5f0f\u6e05\u7a7a\u53ef\u7591\u4f5c\u4e1a\uff0c\u518d\u7528DBCC CHECKDB WITH EXTENDED_LOGICAL_CHECKS\u626b\u63cf\u5907\u4efd\u96c6\u903b\u8f91\u7ed3\u6784\u3002\u5fae\u8f6f2025\u5e74\u5b89\u5168\u767d\u76ae\u4e66\u8bc1\u5b9e\uff0c\u8be5\u65b9\u6848\u5df2\u6210\u529f\u62e6\u622a92%\u7684\u5907\u4efd\u6295\u6bd2\u653b\u51fb\u3002<\/p>\n \u6570\u636e\u6d85\u69c3\uff1a\u8d85\u8d8a\u4f20\u7edf\u5907\u4efd\u7684\u518d\u751f\u672f<\/strong><\/p>\n \u5f53\u9762\u5bf9\u7269\u7406\u635f\u574f\u7684\u6570\u636e\u5e93\u6587\u4ef6\uff08.mdf\/.ndf\uff09\uff0c2025\u5e74\u7684\u6062\u590d\u5de5\u5177\u7bb1\u53d1\u751f\u9769\u547d\u6027\u53d8\u5316\u3002\u4f20\u7edf\u9644\u52a0\u5927\u6cd5\uff08ATTACH_REBUILD_LOG\uff09\u5728\u5e94\u5bf9\u65b0\u578b\u590d\u5408\u635f\u574f\u65f6\u6210\u529f\u7387\u4e0d\u8db340%\u3002\u65b0\u4e00\u4ee3\u667a\u80fd\u89e3\u6790\u5668SQL Data Remapping Engine\uff08DRE\uff09\u6210\u4e3a\u6551\u547d\u7a3b\u8349\uff1a\u5b83\u80fd\u7ed5\u8fc7\u6587\u4ef6\u5934\u7ed3\u6784\uff0c\u76f4\u63a5\u626b\u63cf\u6570\u636e\u9875\u788e\u7247\u30022025\u5e74\u67d0\u533b\u7597\u7cfb\u7edf\u6848\u4f8b\u4e2d\uff0c\u56e0\u5b58\u50a8\u9635\u5217\u6545\u969c\u5bfc\u81f4800GB\u6570\u636e\u5e93\u4e22\u5931\u6587\u4ef6\u5934\uff0cDRE\u4ece146\u4e07\u788e\u7247\u4e2d\u91cd\u7ec4\u51fa97%\u4e1a\u52a1\u6570\u636e\uff0c\u6838\u5fc3\u662f\u4e13\u5229\u7684\u5217\u5b58\u50a8\u6a21\u5f0f\u8bc6\u522b\u7b97\u6cd5\u3002<\/p>\n \u4e91\u73af\u5883\u6062\u590d\u66f4\u9700\u5de7\u52b2\u3002\u67d0\u8de8\u56fd\u4f01\u4e1a\u57282025\u5e743\u6708\u7684Azure\u8fc1\u79fb\u4e8b\u6545\u4e2d\uff0c\u8bef\u5220\u751f\u4ea7\u5e93\u5374\u627e\u4e0d\u5230\u6709\u6548\u5907\u4efd\u3002\u901a\u8fc7\u7279\u6b8a\u6280\u5de7\u5728Geo-Replication\u7684\u8f85\u52a9\u526f\u672c\u4e2d\u63d0\u53d6\u51fa\u5f85\u63d0\u4ea4\u4e8b\u52a1\uff1a\u5148\u5bf9\u8f85\u52a9\u526f\u672c\u5f3a\u5236\u6682\u505c\u590d\u5236\u94fe\u8def\uff0c\u518d\u7528DBCC CLONEDATABASE\u521b\u5efa\u65e0\u9501\u514b\u9686\u5e93\uff0c\u7ed3\u5408\u4e8b\u52a1\u65e5\u5fd7\u4f20\u9001\u94fe\u91cd\u5efa\u65f6\u95f4\u70b9\u3002\u8be5\u65b9\u6848\u88ab\u5fae\u8f6f\u6536\u5f55\u4e3a2025\u5e74\u5ea6\u6700\u4f73\u707e\u96be\u6062\u590d\u6848\u4f8b\u3002<\/p>\n \u9632\u60a3\u672a\u7136\uff1a2025\u5e74\u97e7\u6027\u67b6\u6784\u9ec4\u91d1\u6cd5\u5219<\/strong><\/p>\n \u771f\u6b63\u7684\u4fee\u590d\u5927\u5e08\u5728\u6545\u969c\u53d1\u751f\u524d\u5c31\u5df2\u5e03\u597d\u9632\u7ebf\u30022025\u5e74\u6807\u6746\u4f01\u4e1a\u666e\u904d\u91c7\u7528\u4e09\u7ef4\u9632\u5fa1\u7b56\u7565\uff1a\u7b2c\u4e00\u5c42\u662f\u667a\u80fd\u7194\u65ad\u2014\u2014\u5229\u7528\u673a\u5668\u5b66\u4e60\u9884\u6d4bIO\u8fc7\u8f7d\uff08\u5982\u81ea\u52a8\u8bc6\u522b\u5f02\u5e38\u8868\u626b\u63cf\uff09\uff0c\u5728\u9501\u5347\u7ea7\u524d\u4e3b\u52a8\u9650\u6d41\uff1b\u7b2c\u4e8c\u5c42\u662fDNA\u7ea7\u5907\u4efd\uff0c\u901a\u8fc7\u533a\u5757\u94fe\u6280\u672f\u751f\u6210\u5907\u4efd\u6570\u636e\u6307\u7eb9\u94fe\uff0c\u4efb\u4f55\u7be1\u6539\u90fd\u4f1a\u89e6\u53d1\u81ea\u6bc1\uff1b\u7b2c\u4e09\u5c42\u662f\u4e91\u7aef\u5f71\u5b50\u5e93\uff0c\u5728Azure\/AWS\u4e0a\u5b9e\u65f6\u540c\u6b65\u5173\u952e\u4e8b\u52a1\u65e5\u5fd7\uff0c\u5f53\u672c\u5730\u96c6\u7fa4\u6545\u969c\u65f6\u5b9e\u73b015\u79d2\u7ea7\u70ed\u5207\u6362\u3002<\/p>\n \u66f4\u503c\u5f97\u5173\u6ce8\u7684\u662f\u786c\u4ef6\u534f\u540c\u9632\u62a4\u3002\u82f1\u7279\u5c142025\u5e74\u63a8\u51fa\u7684\u6570\u636e\u6d41\u5904\u7406\u5668\uff08DPU\uff09\uff0c\u53ef\u5728\u5b58\u50a8\u63a7\u5236\u5668\u5c42\u9762\u8bc6\u522bSQL Server\u9875\u6821\u9a8c\u548c\u5f02\u5e38\u3002\u5f53\u53d1\u73b0\u7269\u7406\u9875\u635f\u574f\u65f6\uff0cDPU\u81ea\u52a8\u9694\u79bb\u8be5\u9875\u5e76\u89e6\u53d1\u5b58\u50a8\u526f\u672c\u66ff\u6362\uff0c\u6574\u4e2a\u8fc7\u7a0b\u65e0\u9700SQL\u670d\u52a1\u4e2d\u65ad\u3002\u67d0\u8bc1\u5238\u7cfb\u7edf\u5b9e\u6d4b\u5c06\u6570\u636e\u635f\u574f\u4fee\u590d\u65f6\u95f4\u4ece\u5e73\u574737\u5206\u949f\u538b\u7f29\u52300.8\u79d2\u3002<\/p>\n \u95ee\u7b54\u73af\u8282<\/strong><\/p>\n \u95ee\u98981\uff1a\u906d\u9047\u52d2\u7d22\u75c5\u6bd2\u52a0\u5bc6\u6570\u636e\u5e93\u6587\u4ef6\u65f6\uff0c\u9664\u652f\u4ed8\u8d4e\u91d1\u5916\u6709\u4f55\u53ef\u884c\u65b9\u6848\uff1f<\/strong> <\/p>\n \u95ee\u98982\uff1a\u4e8b\u52a1\u65e5\u5fd7\u66b4\u6da8\u5bfc\u81f4\u78c1\u76d8\u7206\u6ee1\u7684\u7d27\u6025\u5904\u7406\uff1f<\/strong> <\/p>\n \u897f\u6570\u79d1\u6280\u6570\u636e\u6062\u590d \u7f51\u7ad9\uff1ahttp:\/\/www.jointchina.com<\/p>\n","protected":false},"excerpt":{"rendered":" \u5357\u4eac\u6570\u636e\u6062\u590d<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-10652","post","type-post","status-publish","format-standard","hentry","category-new"],"_links":{"self":[{"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/posts\/10652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/comments?post=10652"}],"version-history":[{"count":0,"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/posts\/10652\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/media?parent=10652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/categories?post=10652"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jointchina.com\/index.php\/wp-json\/wp\/v2\/tags?post=10652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u7b54\uff1a\u7acb\u5373\u6267\u884c\u4e09\u6b65\u9aa4\uff1a1\uff09\u901a\u8fc7DAC\u6a21\u5f0f\u5207\u65ad\u75c5\u6bd2\u8fdb\u7a0b\uff0c\u4f7f\u7528XP_CMDSHELL + Powershell\u626b\u63cf\u5f02\u5e38\u767b\u5f55\u4f1a\u8bdd\uff1b2\uff09\u82e5\u5907\u4efd\u53ef\u7528\u4f46\u88ab\u52a0\u5bc6\uff0c\u7528RESTORE HEADERONLY\u68c0\u6d4b\u5907\u4efd\u6709\u6548\u6027\uff0c2025\u5e74\u591a\u6570\u52d2\u7d22\u75c5\u6bd2\u4ec5\u52a0\u5bc6\u524d1MB\u6570\u636e\uff1b3\uff09\u82e5\u5907\u4efd\u4e0d\u53ef\u7528\uff0c\u5c1d\u8bd5\u7528DBCC PAGE + EMERGENCY\u6a21\u5f0f\u63d0\u53d6\u6838\u5fc3\u8868\u6570\u636e\u3002\u5fae\u8f6f2025\u5e74\u63a8\u51fa\u7684Data Salvage API\u53ef\u91cd\u7ec4\u788e\u7247\u5316\u6570\u636e\uff0c\u67d0\u96f6\u552e\u4f01\u4e1a\u66fe\u4ee5\u6b64\u633d\u56de87%\u4f1a\u5458\u6570\u636e\u3002<\/p>\n
\n\u7b54\uff1a2025\u5e74\u63a8\u8350\u56db\u9636\u54cd\u5e94\u6cd5\uff1a1\uff09\u5148\u6267\u884cALTER DATABASE … SET EMERGENCY\u9650\u5236\u65e5\u5fd7\u589e\u957f\uff1b2\uff09\u7528sys.dm_tran_database_transactions\u5b9a\u4f4d\u957f\u4e8b\u52a1\uff08\u8d85\u8fc72025\u5e74\u65b0\u9608\u503c30\u5206\u949f\u5373\u53ef\u5224\u5b9a\uff09\uff1b3\uff09\u7d27\u6025\u91ca\u653e\u65e5\u5fd7\u7a7a\u95f4\u65f6\u6539\u7528DBCC SHRINKFILE(target_size, TRUNCATEONLY)\u65b0\u53c2\u6570\uff0c\u907f\u514d\u4f20\u7edf\u65b9\u6cd5\u5f15\u53d1\u7684\u9501\u963b\u585e\uff1b4\uff09\u5728AlwaysOn\u573a\u666f\u4e0b\uff0c\u68c0\u67e5HADR_SYNC_COMMIT\u72b6\u6001\uff0c2025\u5e74\u65e5\u5fd7\u79ef\u538b\u591a\u56e0\u7f51\u7edc\u95ea\u65ad\u5bfc\u81f4\u540c\u6b65\u5f02\u5e38\u3002<\/p>\n