{"id":9356,"date":"2025-04-18T17:19:46","date_gmt":"2025-04-18T09:19:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/9356.html"},"modified":"2025-04-18T17:19:46","modified_gmt":"2025-04-18T09:19:46","slug":"alwayson-%e5%8f%af%e7%94%a8%e6%80%a7%e7%bb%84%e5%89%af%e6%9c%ac%e6%89%80%e5%9c%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bb%a5%e5%8f%8a%e8%af%a5%e5%89%af%e6%9c%ac%e4%b8%8a%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/9356.html","title":{"rendered":"AlwaysOn \u53ef\u7528\u6027\u7ec4\u526f\u672c\u6240\u5728\u670d\u52a1\u5668\u4ee5\u53ca\u8be5\u526f\u672c\u4e0a\u6570\u636e\u5e93\u7684\u5404\u9879\u72b6\u6001\u4fe1\u606f"},"content":{"rendered":"<\/p>\n<h4>\u76ee\u5f55\u6807\u9898<\/h4>\n<ul>\n<li>\n<ul>\n<li>AlwaysOn<\/li>\n<li>\u8bed\u53e5<\/li>\n<li>\n<ul>\n<li>\u4ee3\u7801\u89e3\u91ca&#xff1a;<\/li>\n<li>1. &#096;sys.dm_hadr_database_replica_states&#096; \u89c6\u56fe\u5b57\u6bb5\u8be6\u7ec6\u89e3\u91ca\u53ca\u5b98\u7f51\u94fe\u63a5<\/li>\n<li>\n<ul>\n<li>\u5b98\u7f51\u94fe\u63a5<\/li>\n<li>\u5b57\u6bb5\u89e3\u91ca<\/li>\n<\/ul>\n<\/li>\n<li>2. &#096;sys.availability_replicas&#096; \u89c6\u56fe\u5b57\u6bb5\u8be6\u7ec6\u89e3\u91ca\u53ca\u5b98\u7f51\u94fe\u63a5<\/li>\n<li>\n<ul>\n<li>\u5b98\u7f51\u94fe\u63a5<\/li>\n<li>\u5b57\u6bb5\u89e3\u91ca<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u67e5\u770b\u89c6\u56fe\u7684\u521b\u5efa\u8bed\u53e5<\/li>\n<li>\n<ul>\n<li>\u65b9\u6cd5\u4e00&#xff1a;\u4f7f\u7528 SQL Server Management Studio (SSMS)<\/li>\n<li>\u65b9\u6cd5\u4e8c&#xff1a;\u4f7f\u7528\u7cfb\u7edf\u89c6\u56fe &#096;sys.sql_modules&#096;<\/li>\n<li>\n<ul>\n<li>\u4ee3\u7801\u89e3\u91ca&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<li>\u65b9\u6cd5\u4e09&#xff1a;\u4f7f\u7528 &#096;sp_helptext&#096; \u5b58\u50a8\u8fc7\u7a0b<\/li>\n<li>\n<ul>\n<li>\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>&#096;[dbo].[ha_status]&#096;<\/li>\n<li>\n<ul>\n<li>1. \u89c6\u56fe\u57fa\u672c\u4fe1\u606f<\/li>\n<li>2. \u89c6\u56fe\u5b9a\u4e49<\/li>\n<li>3. \u9009\u62e9\u5217\u53ca\u8ba1\u7b97\u5217<\/li>\n<li>4. \u8868\u8fde\u63a5<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>&#096;[master].[dbo].[ha_status]&#096; \u7684\u5168\u9762\u89e3\u91ca<\/li>\n<li>\n<ul>\n<li>\u6574\u4f53\u6982\u8ff0<\/li>\n<li>1. \u67e5\u8be2\u8bed\u53e5\u90e8\u5206<\/li>\n<li>\n<ul>\n<li>\u5404\u90e8\u5206\u89e3\u91ca<\/li>\n<\/ul>\n<\/li>\n<li>2. \u89c6\u56fe &#096;[ha_status]&#096; \u5404\u5217\u8be6\u7ec6\u89e3\u91ca<\/li>\n<li>\n<ul>\n<li>\u6807\u8bc6\u4fe1\u606f<\/li>\n<li>\u6545\u969c\u8f6c\u79fb\u76f8\u5173<\/li>\n<li>\u526f\u672c\u89d2\u8272\u4e0e\u6a21\u5f0f<\/li>\n<li>\u6062\u590d\u65f6\u95f4\u4e0e\u6027\u80fd\u6307\u6807<\/li>\n<li>\u540c\u6b65\u4e0e\u72b6\u6001\u4fe1\u606f<\/li>\n<li>\u5176\u4ed6\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>seeding<\/li>\n<li>\n<ul>\n<li>Seeding \u7684\u4e3b\u8981\u4f5c\u7528<\/li>\n<li>\u5e38\u89c1\u7684 Seeding \u72b6\u6001\u53ca\u542b\u4e49<\/li>\n<li>\n<ul>\n<li>1. &#096;NOT_STARTED&#096;<\/li>\n<li>2. &#096;IN_PROGRESS&#096;<\/li>\n<li>3. &#096;COMPLETED&#096;<\/li>\n<li>4. &#096;FAILED&#096;<\/li>\n<li>5. &#096;CANCELLED&#096;<\/li>\n<\/ul>\n<\/li>\n<li>\u67e5\u770b Seeding \u72b6\u6001\u7684\u65b9\u6cd5<\/li>\n<li>\n<ul>\n<li>\u4f7f\u7528\u7cfb\u7edf\u89c6\u56fe &#096;sys.dm_hadr_automatic_seeding&#096;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>AlwaysOn<\/h3>\n<p>SQL Server AlwaysOn\u901a\u5e38\u4e0d\u652f\u6301\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u591a\u4e3b\u6a21\u5f0f&#xff0c;\u4e3b\u8981\u4ee5\u4e3b\u4ece&#xff08;\u4e3b\u526f\u672c\u548c\u8f85\u52a9\u526f\u672c&#xff09;\u7ed3\u6784\u4e3a\u4e3b&#xff0c;\u4f46\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u548c\u914d\u7f6e\u4e0b\u6709\u4e00\u4e9b\u7c7b\u4f3c\u591a\u4e3b\u7684\u7279\u6027\u6216\u529f\u80fd\u53d8\u4f53&#xff0c;\u4ee5\u4e0b\u662f\u5177\u4f53\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>\u57fa\u672c\u67b6\u6784\u4e0e\u539f\u7406\n<ul>\n<li>AlwaysOn\u7684\u6838\u5fc3\u662f\u57fa\u4e8e\u6570\u636e\u5e93\u955c\u50cf\u548c\u65e5\u5fd7\u4f20\u9001\u6280\u672f&#xff0c;\u4e3b\u8981\u652f\u6301\u4e3b\u4ece\u67b6\u6784\u3002\u5728\u8fd9\u79cd\u67b6\u6784\u4e2d&#xff0c;\u4e3b\u526f\u672c\u8d1f\u8d23\u5904\u7406\u6240\u6709\u7684\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u800c\u8f85\u52a9\u526f\u672c\u5904\u4e8e\u53ea\u8bfb\u72b6\u6001&#xff0c;\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5197\u4f59\u3001\u6545\u969c\u8f6c\u79fb\u548c\u62a5\u8868\u7b49\u8f85\u52a9\u529f\u80fd\u3002\u8f85\u52a9\u526f\u672c\u901a\u8fc7\u63a5\u6536\u4e3b\u526f\u672c\u53d1\u9001\u7684\u65e5\u5fd7\u6d41\u6765\u4fdd\u6301\u6570\u636e\u7684\u540c\u6b65\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u76f8\u5173\u529f\u80fd\u4e0e\u9650\u5236\n<ul>\n<li>\u53ef\u8bfb\u8f85\u52a9\u526f\u672c&#xff1a;\u5728AlwaysOn\u4e2d&#xff0c;\u53ef\u4ee5\u5c06\u8f85\u52a9\u526f\u672c\u914d\u7f6e\u4e3a\u53ef\u8bfb&#xff0c;\u5141\u8bb8\u5728\u8f85\u52a9\u526f\u672c\u4e0a\u6267\u884c\u4e00\u4e9b\u67e5\u8be2\u64cd\u4f5c&#xff0c;\u5206\u62c5\u90e8\u5206\u8bfb\u538b\u529b\u3002\u4f46\u8fd9\u5e76\u4e0d\u7b49\u540c\u4e8e\u591a\u4e3b\u6a21\u5f0f&#xff0c;\u56e0\u4e3a\u8f85\u52a9\u526f\u672c\u4e0a\u7684\u8bfb\u5199\u64cd\u4f5c\u53d7\u5230\u4e25\u683c\u9650\u5236&#xff0c;\u4ecd\u7136\u4e0d\u80fd\u4f5c\u4e3a\u72ec\u7acb\u7684\u4e3b\u8282\u70b9\u8fdb\u884c\u5199\u64cd\u4f5c\u3002<\/li>\n<li>\u53ef\u7528\u6027\u7ec4\u4fa6\u542c\u5668\u4e0e\u591a\u5b9e\u4f8b&#xff1a;\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u53ef\u7528\u6027\u7ec4\u4fa6\u542c\u5668\u6765\u5b9e\u73b0\u591a\u4e2a\u5b9e\u4f8b\u7684\u5207\u6362&#xff0c;\u4f46\u5728\u4efb\u4f55\u65f6\u523b&#xff0c;\u53ea\u6709\u4e00\u4e2a\u4e3b\u526f\u672c\u80fd\u591f\u63a5\u53d7\u5199\u64cd\u4f5c&#xff0c;\u5176\u4ed6\u526f\u672c\u90fd\u662f\u7528\u4e8e\u6545\u969c\u8f6c\u79fb\u548c\u6570\u636e\u540c\u6b65\u7684\u8f85\u52a9\u89d2\u8272&#xff0c;\u5e76\u4e0d\u662f\u771f\u6b63\u7684\u591a\u4e3b\u5e76\u884c\u5199\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7279\u6b8a\u60c5\u51b5\u4e0e\u5b9e\u9a8c\u6027\u652f\u6301\n<ul>\n<li>\u5728Azure SQL Database\u7b49\u4e91\u73af\u5883\u4e0b\u7684\u67d0\u4e9b\u7279\u6b8a\u914d\u7f6e\u4e2d&#xff0c;\u6709\u7c7b\u4f3c\u4e8e\u201c\u591a\u4e3b\u201d\u7684\u529f\u80fd&#xff0c;\u5982Azure SQL Database\u7684\u5f39\u6027\u6c60\u4e2d\u7684\u6570\u636e\u5e93\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5b9e\u73b0\u8de8\u533a\u57df\u7684\u591a\u4e3b\u5199\u5165&#xff0c;\u4f46\u8fd9\u4e0e\u4f20\u7edf\u610f\u4e49\u4e0a\u7684AlwaysOn\u672c\u5730\u90e8\u7f72\u7684\u591a\u4e3b\u652f\u6301\u6709\u5f88\u5927\u533a\u522b&#xff0c;\u4e14\u662f\u5728\u7279\u5b9a\u7684\u4e91\u73af\u5883\u548c\u529f\u80fd\u96c6\u4e0b\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Linux \u4e0a\u7684 SQL Server \u7684\u53ef\u7528\u6027\u7ec4 AlwaysOn<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091944-680219302b5a7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u8bed\u53e5<\/h3>\n<p>sys.dm_hadr_database_replica_states \u548c sys.availability_replicas \u89c6\u56fe\u5173\u8054\u8d77\u6765&#xff0c;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>replica_id<span class=\"token punctuation\">,<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>replica_server_name<span class=\"token punctuation\">,<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>endpoint_url<span class=\"token punctuation\">,<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>failover_mode_desc<span class=\"token punctuation\">,<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>availability_mode_desc<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>database_id<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>group_database_id<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>is_local<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>is_primary_replica<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>synchronization_state<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>synchronization_state_desc<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>is_commit_participant<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>synchronization_health<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>synchronization_health_desc<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>database_state<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>database_state_desc<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>is_suspended<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>suspend_reason<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>suspend_reason_desc<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>recovery_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>truncation_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_sent_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_sent_time<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_received_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_received_time<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_hardened_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_hardened_time<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_redone_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_redone_time<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>log_send_queue_size<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>log_send_rate<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>redo_queue_size<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>redo_rate<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>filestream_send_rate<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>end_of_log_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_commit_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>last_commit_time<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>low_water_mark_for_ghosts<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>secondary_lag_seconds<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>quorum_commit_lsn<span class=\"token punctuation\">,<\/span><br \/>\n    drs<span class=\"token punctuation\">.<\/span>quorum_commit_time<br \/>\n<span class=\"token keyword\">FROM<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>availability_replicas ar<br \/>\n<span class=\"token keyword\">JOIN<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>dm_hadr_database_replica_states drs <span class=\"token keyword\">ON<\/span> ar<span class=\"token punctuation\">.<\/span>replica_id <span class=\"token operator\">&#061;<\/span> drs<span class=\"token punctuation\">.<\/span>replica_id<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091944-6802193046ed2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091944-68021930bce21.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token return-type class-name\">SELECT<\/span> <span class=\"token function\">DB_NAME<\/span><span class=\"token punctuation\">(<\/span>database_id<span class=\"token punctuation\">)<\/span> AS &#039;database&#039;<span class=\"token punctuation\">,<\/span> synchronization_state_desc FROM sys<span class=\"token punctuation\">.<\/span>dm_hadr_database_replica_states<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091945-6802193104c0c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u4ee3\u7801\u89e3\u91ca&#xff1a;<\/h4>\n<li>\n<p>sys.availability_replicas \u89c6\u56fe&#xff1a;<\/p>\n<ul>\n<li>\u8be5\u89c6\u56fe\u5b58\u50a8\u4e86 Always On \u53ef\u7528\u6027\u7ec4\u4e2d\u6bcf\u4e2a\u526f\u672c\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002<\/li>\n<li>replica_id&#xff1a;\u526f\u672c\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/li>\n<li>replica_server_name&#xff1a;\u526f\u672c\u6240\u5728\u7684 SQL Server \u5b9e\u4f8b\u540d\u79f0\u3002<\/li>\n<li>endpoint_url&#xff1a;\u526f\u672c\u7684\u7aef\u70b9 URL&#xff0c;\u7528\u4e8e\u526f\u672c\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<li>failover_mode_desc&#xff1a;\u526f\u672c\u7684\u6545\u969c\u8f6c\u79fb\u6a21\u5f0f\u63cf\u8ff0&#xff0c;\u4f8b\u5982\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u3001\u624b\u52a8\u6545\u969c\u8f6c\u79fb\u7b49\u3002<\/li>\n<li>availability_mode_desc&#xff1a;\u526f\u672c\u7684\u53ef\u7528\u6027\u6a21\u5f0f\u63cf\u8ff0&#xff0c;\u5982\u540c\u6b65\u63d0\u4ea4\u3001\u5f02\u6b65\u63d0\u4ea4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>sys.dm_hadr_database_replica_states \u89c6\u56fe&#xff1a;<\/p>\n<ul>\n<li>\u8fd9\u662f\u4e00\u4e2a\u52a8\u6001\u7ba1\u7406\u89c6\u56fe&#xff0c;\u63d0\u4f9b\u4e86\u5173\u4e8e\u53ef\u7528\u6027\u7ec4\u4e2d\u6570\u636e\u5e93\u526f\u672c\u7684\u5b9e\u65f6\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<li>\u5305\u542b\u4e86\u4f60\u4e4b\u524d\u5c55\u793a\u7684\u4f17\u591a\u5217&#xff0c;\u5982 database_id\u3001is_local\u3001is_primary_replica\u3001\u540c\u6b65\u72b6\u6001\u76f8\u5173\u5217\u3001\u65e5\u5fd7\u5e8f\u5217\u53f7\u76f8\u5173\u5217\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>JOIN \u64cd\u4f5c&#xff1a;<\/p>\n<ul>\n<li>\u901a\u8fc7 JOIN \u8bed\u53e5\u5c06 sys.availability_replicas \u89c6\u56fe\u548c sys.dm_hadr_database_replica_states \u89c6\u56fe\u6839\u636e replica_id \u8fdb\u884c\u5173\u8054\u3002<\/li>\n<li>\u8fd9\u6837\u53ef\u4ee5\u628a\u526f\u672c\u7684\u5143\u6570\u636e\u4fe1\u606f&#xff08;\u5982\u526f\u672c\u6240\u5728\u670d\u52a1\u5668\u540d\u79f0&#xff09;\u548c\u6570\u636e\u5e93\u526f\u672c\u7684\u5b9e\u65f6\u72b6\u6001\u4fe1\u606f\u7ed3\u5408\u8d77\u6765&#xff0c;\u8ba9\u4f60\u65e2\u80fd\u786e\u8ba4 replica_id \u5bf9\u5e94\u7684\u5177\u4f53\u526f\u672c&#xff0c;\u53c8\u80fd\u67e5\u770b\u8be5\u526f\u672c\u4e0a\u6570\u636e\u5e93\u7684\u8be6\u7ec6\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>1. sys.dm_hadr_database_replica_states \u89c6\u56fe\u5b57\u6bb5\u8be6\u7ec6\u89e3\u91ca\u53ca\u5b98\u7f51\u94fe\u63a5<\/h4>\n<h5>\u5b98\u7f51\u94fe\u63a5<\/h5>\n<p>sys.dm_hadr_database_replica_states (Transact &#8211; SQL)<\/p>\n<h5>\u5b57\u6bb5\u89e3\u91ca<\/h5>\n<ul>\n<li>replica_id&#xff1a;\u53ef\u7528\u6027\u526f\u672c\u7684\u552f\u4e00\u6807\u8bc6\u7b26&#xff0c;\u5bf9\u5e94 sys.availability_replicas \u4e2d\u7684 replica_id&#xff0c;\u7528\u4e8e\u5173\u8054\u4e24\u4e2a\u89c6\u56fe\u3002<\/li>\n<li>group_id&#xff1a;\u53ef\u7528\u6027\u7ec4\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/li>\n<li>database_id&#xff1a;\u6570\u636e\u5e93\u7684\u6807\u8bc6\u7b26&#xff0c;\u6807\u8bc6\u8be5\u526f\u672c\u4e2d\u7684\u6570\u636e\u5e93\u3002<\/li>\n<li>group_database_id&#xff1a;\u53ef\u7528\u6027\u7ec4\u5185\u6570\u636e\u5e93\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/li>\n<li>is_local&#xff1a;\u6307\u793a\u8be5\u526f\u672c\u662f\u5426\u4e3a\u672c\u5730\u526f\u672c\u3002\u503c\u4e3a 1 \u8868\u793a\u662f\u672c\u5730\u526f\u672c&#xff0c;0 \u8868\u793a\u4e0d\u662f\u3002<\/li>\n<li>is_primary_replica&#xff1a;\u6307\u793a\u8be5\u526f\u672c\u662f\u5426\u4e3a\u4e3b\u526f\u672c\u30021 \u8868\u793a\u4e3b\u526f\u672c&#xff0c;0 \u8868\u793a\u8f85\u52a9\u526f\u672c\u3002<\/li>\n<li>synchronization_state&#xff1a;\u6570\u636e\u5e93\u526f\u672c\u7684\u540c\u6b65\u72b6\u6001\u7684\u6570\u5b57\u4ee3\u7801\u3002\u4f8b\u5982 1 \u8868\u793a SYNCHRONIZING&#xff08;\u6b63\u5728\u540c\u6b65&#xff09;&#xff0c;2 \u8868\u793a SYNCHRONIZED&#xff08;\u5df2\u540c\u6b65&#xff09;\u7b49\u3002<\/li>\n<li>synchronization_state_desc&#xff1a;\u540c\u6b65\u72b6\u6001\u7684\u6587\u672c\u63cf\u8ff0&#xff0c;\u4e0e synchronization_state \u4ee3\u7801\u5bf9\u5e94\u3002<\/li>\n<li>is_commit_participant&#xff1a;\u6307\u793a\u8be5\u526f\u672c\u662f\u5426\u53c2\u4e0e\u4e8b\u52a1\u63d0\u4ea4\u30021 \u8868\u793a\u53c2\u4e0e&#xff0c;0 \u8868\u793a\u4e0d\u53c2\u4e0e\u3002<\/li>\n<li>synchronization_health&#xff1a;\u540c\u6b65\u5065\u5eb7\u72b6\u6001\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>synchronization_health_desc&#xff1a;\u540c\u6b65\u5065\u5eb7\u72b6\u6001\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>database_state&#xff1a;\u6570\u636e\u5e93\u72b6\u6001\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>database_state_desc&#xff1a;\u6570\u636e\u5e93\u72b6\u6001\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>is_suspended&#xff1a;\u6307\u793a\u8be5\u526f\u672c\u662f\u5426\u5df2\u6682\u505c\u30021 \u8868\u793a\u6682\u505c&#xff0c;0 \u8868\u793a\u672a\u6682\u505c\u3002<\/li>\n<li>suspend_reason&#xff1a;\u6682\u505c\u539f\u56e0\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>suspend_reason_desc&#xff1a;\u6682\u505c\u539f\u56e0\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>recovery_lsn&#xff1a;\u6062\u590d\u65e5\u5fd7\u5e8f\u5217\u53f7&#xff0c;\u6307\u793a\u6570\u636e\u5e93\u6062\u590d\u7684\u8d77\u59cb\u70b9\u3002<\/li>\n<li>truncation_lsn&#xff1a;\u622a\u65ad\u65e5\u5fd7\u5e8f\u5217\u53f7&#xff0c;\u6307\u793a\u53ef\u4ee5\u622a\u65ad\u65e5\u5fd7\u7684\u4f4d\u7f6e\u3002<\/li>\n<li>last_sent_lsn&#xff1a;\u4e3b\u526f\u672c\u4e0a\u6700\u540e\u53d1\u9001\u5230\u8f85\u52a9\u526f\u672c\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_sent_time&#xff1a;\u4e3b\u526f\u672c\u4e0a\u6700\u540e\u53d1\u9001\u65e5\u5fd7\u7684\u65f6\u95f4\u3002<\/li>\n<li>last_received_lsn&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u63a5\u6536\u5230\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_received_time&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u63a5\u6536\u65e5\u5fd7\u7684\u65f6\u95f4\u3002<\/li>\n<li>last_hardened_lsn&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u6301\u4e45\u5316\u5230\u78c1\u76d8\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_hardened_time&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u6301\u4e45\u5316\u65e5\u5fd7\u5230\u78c1\u76d8\u7684\u65f6\u95f4\u3002<\/li>\n<li>last_redone_lsn&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u91cd\u505a\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_redone_time&#xff1a;\u8f85\u52a9\u526f\u672c\u4e0a\u6700\u540e\u91cd\u505a\u65e5\u5fd7\u7684\u65f6\u95f4\u3002<\/li>\n<li>log_send_queue_size&#xff1a;\u65e5\u5fd7\u53d1\u9001\u961f\u5217\u7684\u5927\u5c0f&#xff08;\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>log_send_rate&#xff1a;\u65e5\u5fd7\u53d1\u9001\u901f\u7387&#xff08;\u4ee5\u5b57\u8282\/\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>redo_queue_size&#xff1a;\u91cd\u505a\u961f\u5217\u7684\u5927\u5c0f&#xff08;\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>redo_rate&#xff1a;\u91cd\u505a\u901f\u7387&#xff08;\u4ee5\u5b57\u8282\/\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>filestream_send_rate&#xff1a;FileStream \u6570\u636e\u7684\u53d1\u9001\u901f\u7387&#xff08;\u4ee5\u5b57\u8282\/\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>end_of_log_lsn&#xff1a;\u65e5\u5fd7\u672b\u5c3e\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_commit_lsn&#xff1a;\u6700\u540e\u63d0\u4ea4\u4e8b\u52a1\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>last_commit_time&#xff1a;\u6700\u540e\u63d0\u4ea4\u4e8b\u52a1\u7684\u65f6\u95f4\u3002<\/li>\n<li>low_water_mark_for_ghosts&#xff1a;\u5e7d\u7075\u8bb0\u5f55\u7684\u4f4e\u6c34\u4f4d\u6807\u8bb0\u3002<\/li>\n<li>secondary_lag_seconds&#xff1a;\u8f85\u52a9\u526f\u672c\u76f8\u5bf9\u4e8e\u4e3b\u526f\u672c\u7684\u5ef6\u8fdf\u79d2\u6570\u3002<\/li>\n<li>quorum_commit_lsn&#xff1a;\u6cd5\u5b9a\u63d0\u4ea4\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>quorum_commit_time&#xff1a;\u6cd5\u5b9a\u63d0\u4ea4\u7684\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<h4>2. sys.availability_replicas \u89c6\u56fe\u5b57\u6bb5\u8be6\u7ec6\u89e3\u91ca\u53ca\u5b98\u7f51\u94fe\u63a5<\/h4>\n<h5>\u5b98\u7f51\u94fe\u63a5<\/h5>\n<p>sys.availability_replicas (Transact &#8211; SQL)<\/p>\n<h5>\u5b57\u6bb5\u89e3\u91ca<\/h5>\n<ul>\n<li>replica_id&#xff1a;\u53ef\u7528\u6027\u526f\u672c\u7684\u552f\u4e00\u6807\u8bc6\u7b26&#xff0c;\u7528\u4e8e\u548c sys.dm_hadr_database_replica_states \u89c6\u56fe\u8fdb\u884c\u5173\u8054\u3002<\/li>\n<li>group_id&#xff1a;\u53ef\u7528\u6027\u7ec4\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/li>\n<li>replica_metadata_id&#xff1a;\u526f\u672c\u7684\u5143\u6570\u636e\u6807\u8bc6\u7b26\u3002<\/li>\n<li>replica_server_name&#xff1a;\u627f\u8f7d\u8be5\u53ef\u7528\u6027\u526f\u672c\u7684 SQL Server \u5b9e\u4f8b\u7684\u540d\u79f0\u3002<\/li>\n<li>owner_sid&#xff1a;\u526f\u672c\u6240\u6709\u8005\u7684\u5b89\u5168\u6807\u8bc6\u7b26\u3002<\/li>\n<li>endpoint_url&#xff1a;\u526f\u672c\u7684\u7aef\u70b9 URL&#xff0c;\u7528\u4e8e\u526f\u672c\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<li>availability_mode&#xff1a;\u53ef\u7528\u6027\u6a21\u5f0f\u7684\u6570\u5b57\u4ee3\u7801&#xff0c;\u4f8b\u5982 1 \u8868\u793a\u540c\u6b65\u63d0\u4ea4&#xff0c;2 \u8868\u793a\u5f02\u6b65\u63d0\u4ea4\u3002<\/li>\n<li>availability_mode_desc&#xff1a;\u53ef\u7528\u6027\u6a21\u5f0f\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>failover_mode&#xff1a;\u6545\u969c\u8f6c\u79fb\u6a21\u5f0f\u7684\u6570\u5b57\u4ee3\u7801&#xff0c;\u4f8b\u5982 1 \u8868\u793a\u81ea\u52a8\u6545\u969c\u8f6c\u79fb&#xff0c;2 \u8868\u793a\u624b\u52a8\u6545\u969c\u8f6c\u79fb\u3002<\/li>\n<li>failover_mode_desc&#xff1a;\u6545\u969c\u8f6c\u79fb\u6a21\u5f0f\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>session_timeout&#xff1a;\u4f1a\u8bdd\u8d85\u65f6\u65f6\u95f4&#xff08;\u4ee5\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>primary_role_allow_connections&#xff1a;\u4e3b\u526f\u672c\u5141\u8bb8\u7684\u8fde\u63a5\u7c7b\u578b\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>primary_role_allow_connections_desc&#xff1a;\u4e3b\u526f\u672c\u5141\u8bb8\u7684\u8fde\u63a5\u7c7b\u578b\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>secondary_role_allow_connections&#xff1a;\u8f85\u52a9\u526f\u672c\u5141\u8bb8\u7684\u8fde\u63a5\u7c7b\u578b\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>secondary_role_allow_connections_desc&#xff1a;\u8f85\u52a9\u526f\u672c\u5141\u8bb8\u7684\u8fde\u63a5\u7c7b\u578b\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<li>create_date&#xff1a;\u526f\u672c\u521b\u5efa\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/li>\n<li>modify_date&#xff1a;\u526f\u672c\u6700\u540e\u4fee\u6539\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/li>\n<li>backup_priority&#xff1a;\u5907\u4efd\u4f18\u5148\u7ea7&#xff0c;\u503c\u8d8a\u9ad8\u8868\u793a\u8d8a\u4f18\u5148\u8fdb\u884c\u5907\u4efd\u3002<\/li>\n<li>read_only_routing_url&#xff1a;\u53ea\u8bfb\u8def\u7531\u7684 URL\u3002<\/li>\n<li>seeding_mode&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u6a21\u5f0f\u7684\u6570\u5b57\u4ee3\u7801\u3002<\/li>\n<li>seeding_mode_desc&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u6a21\u5f0f\u7684\u6587\u672c\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<h3>\u67e5\u770b\u89c6\u56fe\u7684\u521b\u5efa\u8bed\u53e5<\/h3>\n<p>\u5728 SQL Server \u4e2d&#xff0c;\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u67e5\u770b\u89c6\u56fe\u7684\u521b\u5efa\u8bed\u53e5&#xff0c;\u4e0b\u9762\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd&#xff1a;<\/p>\n<h4>\u65b9\u6cd5\u4e00&#xff1a;\u4f7f\u7528 SQL Server Management Studio (SSMS)<\/h4>\n<li>\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5f15\u64ce&#xff1a;\u6253\u5f00 SSMS \u5e76\u8fde\u63a5\u5230\u76f8\u5e94\u7684 SQL Server \u5b9e\u4f8b\u3002<\/li>\n<li>\u5c55\u5f00\u6570\u636e\u5e93\u5bf9\u8c61&#xff1a;\u5728\u201c\u5bf9\u8c61\u8d44\u6e90\u7ba1\u7406\u5668\u201d\u4e2d&#xff0c;\u5c55\u5f00\u201c\u6570\u636e\u5e93\u201d\u8282\u70b9&#xff0c;\u627e\u5230\u5305\u542b\u76ee\u6807\u89c6\u56fe\u7684\u6570\u636e\u5e93\u5e76\u5c55\u5f00\u5b83\u3002<\/li>\n<li>\u627e\u5230\u76ee\u6807\u89c6\u56fe&#xff1a;\u5c55\u5f00\u201c\u89c6\u56fe\u201d\u6587\u4ef6\u5939&#xff0c;\u627e\u5230\u4f60\u60f3\u8981\u67e5\u770b\u521b\u5efa\u8bed\u53e5\u7684\u89c6\u56fe\u3002<\/li>\n<li>\u67e5\u770b\u521b\u5efa\u811a\u672c&#xff1a;\u53f3\u952e\u5355\u51fb\u8be5\u89c6\u56fe&#xff0c;\u9009\u62e9\u201c\u7f16\u5199\u89c6\u56fe\u811a\u672c\u4e3a\u201d -&gt; \u201cCREATE \u5230\u201d -&gt; \u201c\u65b0\u67e5\u8be2\u7f16\u8f91\u5668\u7a97\u53e3\u201d\u3002\u6b64\u65f6&#xff0c;SSMS \u4f1a\u5728\u65b0\u7684\u67e5\u8be2\u7a97\u53e3\u4e2d\u751f\u6210\u8be5\u89c6\u56fe\u7684\u521b\u5efa\u8bed\u53e5\u3002<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091945-68021931280d9.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u65b9\u6cd5\u4e8c&#xff1a;\u4f7f\u7528\u7cfb\u7edf\u89c6\u56fe sys.sql_modules<\/h4>\n<p>\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2 sys.sql_modules \u7cfb\u7edf\u89c6\u56fe\u6765\u83b7\u53d6\u89c6\u56fe\u7684\u5b9a\u4e49\u811a\u672c\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684 SQL \u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">&#8212; \u5047\u8bbe\u8981\u67e5\u770b\u7684\u89c6\u56fe\u540d\u4e3a YourViewName&#xff0c;\u6570\u636e\u5e93\u540d\u4e3a YourDatabaseName<\/span><br \/>\n<span class=\"token keyword\">USE<\/span> master<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SELECT<\/span><br \/>\n    sm<span class=\"token punctuation\">.<\/span>definition<br \/>\n<span class=\"token keyword\">FROM<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>sql_modules sm<br \/>\n<span class=\"token keyword\">JOIN<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>objects o <span class=\"token keyword\">ON<\/span> sm<span class=\"token punctuation\">.<\/span>object_id <span class=\"token operator\">&#061;<\/span> o<span class=\"token punctuation\">.<\/span>object_id<br \/>\n<span class=\"token keyword\">WHERE<\/span><br \/>\n    o<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">type<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;V&#039;<\/span> <span class=\"token comment\">&#8212; &#039;V&#039; \u8868\u793a\u89c6\u56fe<\/span><br \/>\n    <span class=\"token operator\">AND<\/span> o<span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;ha_status&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091945-6802193136f17.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u4ee3\u7801\u89e3\u91ca&#xff1a;<\/h5>\n<ul>\n<li>sys.sql_modules \u89c6\u56fe\u5b58\u50a8\u4e86\u6570\u636e\u5e93\u4e2d\u6240\u6709\u6a21\u5757&#xff08;\u5305\u62ec\u89c6\u56fe\u3001\u5b58\u50a8\u8fc7\u7a0b\u3001\u51fd\u6570\u7b49&#xff09;\u7684\u5b9a\u4e49\u6587\u672c\u3002<\/li>\n<li>sys.objects \u89c6\u56fe\u5305\u542b\u4e86\u6570\u636e\u5e93\u4e2d\u6240\u6709\u5bf9\u8c61\u7684\u5143\u6570\u636e\u4fe1\u606f&#xff0c;\u901a\u8fc7 object_id \u5c06\u4e24\u4e2a\u89c6\u56fe\u5173\u8054\u8d77\u6765\u3002<\/li>\n<li>o.type &#061; &#039;V&#039; \u7528\u4e8e\u7b5b\u9009\u51fa\u7c7b\u578b\u4e3a\u89c6\u56fe\u7684\u5bf9\u8c61\u3002<\/li>\n<li>o.name &#061; &#039;YourViewName&#039; \u7528\u4e8e\u6307\u5b9a\u8981\u67e5\u770b\u7684\u5177\u4f53\u89c6\u56fe\u540d\u79f0\u3002<\/li>\n<\/ul>\n<h4>\u65b9\u6cd5\u4e09&#xff1a;\u4f7f\u7528 sp_helptext \u5b58\u50a8\u8fc7\u7a0b<\/h4>\n<p>sp_helptext \u662f SQL Server \u63d0\u4f9b\u7684\u4e00\u4e2a\u7cfb\u7edf\u5b58\u50a8\u8fc7\u7a0b&#xff0c;\u53ef\u7528\u4e8e\u67e5\u770b\u5bf9\u8c61\u7684\u5b9a\u4e49\u6587\u672c&#xff0c;\u5305\u62ec\u89c6\u56fe\u3002\u793a\u4f8b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token comment\">&#8212; \u5047\u8bbe\u8981\u67e5\u770b\u7684\u89c6\u56fe\u540d\u4e3a YourViewName<\/span><br \/>\n<span class=\"token keyword\">EXEC<\/span> sp_helptext <span class=\"token string\">&#039;ha_status&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418091945-680219316505f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/h5>\n<ul>\n<li>\u5982\u679c\u89c6\u56fe\u6240\u5728\u7684\u6570\u636e\u5e93\u4e0d\u662f\u5f53\u524d\u9ed8\u8ba4\u6570\u636e\u5e93&#xff0c;\u9700\u8981\u5728\u89c6\u56fe\u540d\u79f0\u524d\u52a0\u4e0a\u6570\u636e\u5e93\u540d\u548c\u67b6\u6784\u540d&#xff0c;\u4f8b\u5982 EXEC sp_helptext &#039;YourDatabaseName.dbo.YourViewName&#039;;<\/li>\n<li>sp_helptext \u4f1a\u5c06\u89c6\u56fe\u7684\u5b9a\u4e49\u6587\u672c\u9010\u884c\u663e\u793a&#xff0c;\u5982\u679c\u5b9a\u4e49\u8f83\u957f&#xff0c;\u53ef\u80fd\u4f1a\u5206\u884c\u663e\u793a\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5&#xff0c;\u4f60\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u770b SQL Server \u4e2d\u89c6\u56fe\u7684\u521b\u5efa\u8bed\u53e5\u3002<\/p>\n<h3>[dbo].[ha_status]<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e2a\u89c6\u56fe [dbo].[ha_status] \u521b\u5efa\u8bed\u53e5\u7684\u8be6\u7ec6\u89e3\u91ca&#xff1a;<\/p>\n<h4>1. \u89c6\u56fe\u57fa\u672c\u4fe1\u606f<\/h4>\n<p><span class=\"token keyword\">USE<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><br \/>\nGO<\/p>\n<p><span class=\"token comment\">\/****** Object:  View [dbo].[ha_status]    Script Date: 2025\/2\/5 14:44:13 ******\/<\/span><br \/>\n<span class=\"token keyword\">SET<\/span> ANSI_NULLS <span class=\"token keyword\">ON<\/span><br \/>\nGO<\/p>\n<p><span class=\"token keyword\">SET<\/span> QUOTED_IDENTIFIER <span class=\"token keyword\">OFF<\/span><br \/>\nGO<\/p>\n<ul>\n<li>USE [master]&#xff1a;\u6307\u5b9a\u5f53\u524d\u4f7f\u7528\u7684\u6570\u636e\u5e93\u4e3a master \u6570\u636e\u5e93\u3002<\/li>\n<li>SET ANSI_NULLS ON&#xff1a;\u542f\u7528 ANSI \u7a7a\u503c\u5904\u7406\u89c4\u5219&#xff0c;\u5373\u5f53\u6bd4\u8f83\u64cd\u4f5c\u6d89\u53ca NULL \u503c\u65f6&#xff0c;\u7ed3\u679c\u4e3a NULL\u3002<\/li>\n<li>SET QUOTED_IDENTIFIER OFF&#xff1a;\u6307\u5b9a\u662f\u5426\u5c06\u53cc\u5f15\u53f7\u5b57\u7b26\u89e3\u91ca\u4e3a\u5206\u9694\u6807\u8bc6\u7b26\u6216\u5b57\u7b26\u4e32\u6587\u5b57\u3002\u8fd9\u91cc\u8bbe\u7f6e\u4e3a OFF \u8868\u793a\u4e0d\u4e25\u683c\u9075\u5faa SQL-92 \u6807\u51c6&#xff0c;\u53cc\u5f15\u53f7\u53ef\u4ee5\u7528\u4e8e\u5b57\u7b26\u4e32\u6587\u5b57\u3002<\/li>\n<\/ul>\n<h4>2. \u89c6\u56fe\u5b9a\u4e49<\/h4>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">VIEW<\/span> <span class=\"token punctuation\">[<\/span>dbo<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>ha_status<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span><\/p>\n<p>\u8fd9\u884c\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a [dbo].[ha_status] \u7684\u89c6\u56fe&#xff0c;\u5176\u4e2d dbo \u662f\u89c6\u56fe\u6240\u5c5e\u7684\u67b6\u6784\u3002<\/p>\n<h4>3. \u9009\u62e9\u5217\u53ca\u8ba1\u7b97\u5217<\/h4>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AG<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>name<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AvailabilityGroupName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_server_name<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AvailabilityReplicaServerName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>database_name<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AvailabilityDatabaseName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">CASE<\/span><br \/>\n        <span class=\"token keyword\">WHEN<\/span>  <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>database_name<span class=\"token punctuation\">]<\/span>  <span class=\"token operator\">IS<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">THEN<\/span> <span class=\"token number\">1<\/span><br \/>\n        <span class=\"token keyword\">ELSE<\/span>  ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_failover_ready<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">END<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>IsFailoverReady<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>arstates<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>role_desc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>ReplicaRole<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>availability_mode_desc<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AvailabilityMode<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">CASE<\/span> <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_failover_ready<span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">WHEN<\/span> <span class=\"token number\">1<\/span><br \/>\n        <span class=\"token keyword\">THEN<\/span> <span class=\"token number\">0<\/span><br \/>\n        <span class=\"token keyword\">ELSE<\/span> ISNULL<span class=\"token punctuation\">(<\/span>DATEDIFF<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>ss<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_commit_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">[<\/span>dbrp<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_commit_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">END<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>EstimatedDataLoss_<span class=\"token punctuation\">(<\/span>Seconds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">CASE<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>redo_rate<span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">WHEN<\/span> <span class=\"token number\">0<\/span><br \/>\n        <span class=\"token keyword\">THEN<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><br \/>\n        <span class=\"token keyword\">ELSE<\/span> CAST<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>redo_queue_size<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token keyword\">FLOAT<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>redo_rate<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">END<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>EstimatedRecoveryTime_<span class=\"token punctuation\">(<\/span>Seconds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_suspended<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>IsSuspended<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>suspend_reason_desc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;-&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>SuspendReason<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>synchronization_state_desc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>SynchronizationState<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_received_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastReceivedTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_redone_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastRedoneTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_sent_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastSentTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>log_send_queue_size<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LogSendQueueSize<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>log_send_rate<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LogSendRate_KB<span class=\"token operator\">\/<\/span>S<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>redo_queue_size<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>RedoQueueSize_KB<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>redo_rate<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>RedoRate_KB<span class=\"token operator\">\/<\/span>S<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">CASE<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>log_send_rate<span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">WHEN<\/span> <span class=\"token number\">0<\/span><br \/>\n        <span class=\"token keyword\">THEN<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><br \/>\n        <span class=\"token keyword\">ELSE<\/span> CAST<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>log_send_queue_size<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token keyword\">FLOAT<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>log_send_rate<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">END<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>SynchronizationPerformance<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>filestream_send_rate<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>FileStreamSendRate<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_database_joined<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>IsJoined<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>arstates<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_local<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>IsLocal<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_commit_lsn<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastCommitLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_commit_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastCommitTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_hardened_lsn<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastHardenedLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_hardened_time<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastHardenedTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_received_lsn<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastReceivedLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    ISNULL<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_redone_lsn<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>LastRedoneLSN<span class=\"token punctuation\">]<\/span><\/p>\n<p>\u8fd9\u90e8\u5206\u4ee3\u7801\u5b9a\u4e49\u4e86\u89c6\u56fe\u8fd4\u56de\u7684\u5217&#xff0c;\u5305\u62ec\u4ece\u4e0d\u540c\u7cfb\u7edf\u8868\u4e2d\u9009\u53d6\u7684\u5217\u4ee5\u53ca\u4e00\u4e9b\u8ba1\u7b97\u5217&#xff1a;<\/p>\n<ul>\n<li>CASE \u8bed\u53e5\u7528\u4e8e\u6839\u636e\u4e0d\u540c\u6761\u4ef6\u8fdb\u884c\u503c\u7684\u8ba1\u7b97\u548c\u5224\u65ad&#xff0c;\u4f8b\u5982 [IsFailoverReady] \u548c [EstimatedDataLoss_(Seconds)] \u5217\u3002<\/li>\n<li>ISNULL \u51fd\u6570\u7528\u4e8e\u5904\u7406\u53ef\u80fd\u7684 NULL \u503c&#xff0c;\u5f53\u5217\u503c\u4e3a NULL \u65f6&#xff0c;\u4f7f\u7528\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\u3002<\/li>\n<li>\u8ba1\u7b97\u5217\u5982 [EstimatedRecoveryTime_(Seconds)] \u548c [SynchronizationPerformance] \u662f\u901a\u8fc7\u5bf9\u5176\u4ed6\u5217\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\u5f97\u5230\u7684\u3002<\/li>\n<\/ul>\n<h4>4. \u8868\u8fde\u63a5<\/h4>\n<p><span class=\"token keyword\">FROM<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>availability_groups<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AG<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">JOIN<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>availability_replicas<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>group_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>AG<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>group_id<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">JOIN<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>dm_hadr_database_replica_cluster_states<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">OUTER<\/span> <span class=\"token keyword\">JOIN<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>dm_hadr_database_replica_states<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token operator\">AND<\/span> <span class=\"token punctuation\">[<\/span>dbcs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>group_database_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>group_database_id<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">OUTER<\/span> <span class=\"token keyword\">JOIN<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token keyword\">SELECT<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>drs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>database_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>drs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span>drs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>last_commit_time<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">FROM<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>dm_hadr_database_replica_states<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>drs<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">WHERE<\/span> <span class=\"token punctuation\">[<\/span>drs<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>is_primary_replica<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>dbrp<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>dbr<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>database_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>dbrp<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>database_id<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">JOIN<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>sys<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>dm_hadr_availability_replica_states<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">AS<\/span> <span class=\"token punctuation\">[<\/span>arstates<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>arstates<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>AR<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>replica_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u90e8\u5206\u4ee3\u7801\u901a\u8fc7\u591a\u4e2a LEFT JOIN \u64cd\u4f5c\u5c06\u4e0d\u540c\u7684\u7cfb\u7edf\u8868\u8fde\u63a5\u8d77\u6765&#xff0c;\u4ee5\u83b7\u53d6\u6240\u9700\u7684\u6570\u636e&#xff1a;<\/p>\n<ul>\n<li>[master].[sys].[availability_groups]&#xff1a;\u5305\u542b\u53ef\u7528\u6027\u7ec4\u7684\u4fe1\u606f\u3002<\/li>\n<li>[master].[sys].[availability_replicas]&#xff1a;\u5305\u542b\u53ef\u7528\u6027\u526f\u672c\u7684\u4fe1\u606f\u3002<\/li>\n<li>[master].[sys].[dm_hadr_database_replica_cluster_states]&#xff1a;\u5305\u542b\u6570\u636e\u5e93\u526f\u672c\u5728\u96c6\u7fa4\u4e2d\u7684\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<li>[master].[sys].[dm_hadr_database_replica_states]&#xff1a;\u5305\u542b\u6570\u636e\u5e93\u526f\u672c\u7684\u8be6\u7ec6\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<li>[master].[sys].[dm_hadr_availability_replica_states]&#xff1a;\u5305\u542b\u53ef\u7528\u6027\u526f\u672c\u7684\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>\u5b50\u67e5\u8be2 [dbrp] \u7528\u4e8e\u7b5b\u9009\u51fa\u4e3b\u526f\u672c\u7684 last_commit_time \u4fe1\u606f&#xff0c;\u4ee5\u4fbf\u8ba1\u7b97\u6570\u636e\u4e22\u5931\u4f30\u8ba1\u65f6\u95f4\u3002<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u8fd9\u4e2a\u89c6\u56fe [dbo].[ha_status] \u4e3b\u8981\u7528\u4e8e\u6c47\u603b SQL Server Always On \u53ef\u7528\u6027\u7ec4\u7684\u76f8\u5173\u72b6\u6001\u4fe1\u606f&#xff0c;\u5305\u62ec\u53ef\u7528\u6027\u7ec4\u540d\u79f0\u3001\u526f\u672c\u670d\u52a1\u5668\u540d\u79f0\u3001\u6570\u636e\u5e93\u540d\u79f0\u3001\u6545\u969c\u8f6c\u79fb\u51c6\u5907\u60c5\u51b5\u3001\u6570\u636e\u4e22\u5931\u4f30\u8ba1\u3001\u6062\u590d\u65f6\u95f4\u4f30\u8ba1\u3001\u540c\u6b65\u72b6\u6001\u7b49&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u5458\u76d1\u63a7\u548c\u7ba1\u7406\u53ef\u7528\u6027\u7ec4\u3002<\/p>\n<h3>[master].[dbo].[ha_status] \u7684\u5168\u9762\u89e3\u91ca<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e2a\u67e5\u8be2\u8bed\u53e5\u4ee5\u53ca\u76f8\u5173\u89c6\u56fe [master].[dbo].[ha_status] \u7684\u5168\u9762\u89e3\u91ca&#xff1a;<\/p>\n<h4>\u6574\u4f53\u6982\u8ff0<\/h4>\n<p>\u6b64\u67e5\u8be2\u8bed\u53e5\u7684\u4f5c\u7528\u662f\u4ece [master].[dbo].[ha_status] \u89c6\u56fe\u4e2d\u9009\u53d6\u524d 1000 \u6761\u8bb0\u5f55&#xff0c;\u83b7\u53d6 SQL Server Always On \u53ef\u7528\u6027\u7ec4\u7684\u8be6\u7ec6\u72b6\u6001\u4fe1\u606f&#xff0c;\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u4e8e\u76d1\u63a7\u548c\u7ba1\u7406\u53ef\u7528\u6027\u7ec4\u7684\u5065\u5eb7\u72b6\u51b5\u3001\u6027\u80fd\u8868\u73b0\u4ee5\u53ca\u6545\u969c\u8f6c\u79fb\u80fd\u529b\u7b49\u65b9\u9762\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<h4>1. \u67e5\u8be2\u8bed\u53e5\u90e8\u5206<\/h4>\n<p><span class=\"token keyword\">SELECT<\/span> <span class=\"token keyword\">TOP<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AvailabilityGroupName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AvailabilityReplicaServerName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AvailabilityDatabaseName<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>IsFailoverReady<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>ReplicaRole<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>AvailabilityMode<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>EstimatedDataLoss_<span class=\"token punctuation\">(<\/span>Seconds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>EstimatedRecoveryTime_<span class=\"token punctuation\">(<\/span>Seconds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>IsSuspended<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>SuspendReason<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>SynchronizationState<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastReceivedTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastRedoneTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastSentTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LogSendQueueSize<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LogSendRate_KB<span class=\"token operator\">\/<\/span>S<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>RedoQueueSize_KB<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>RedoRate_KB<span class=\"token operator\">\/<\/span>S<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>SynchronizationPerformance<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>FileStreamSendRate<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>IsJoined<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>IsLocal<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastCommitLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastCommitTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastHardenedLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastHardenedTime<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastReceivedLSN<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span>LastRedoneLSN<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span> <span class=\"token punctuation\">[<\/span>master<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>dbo<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">[<\/span>ha_status<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u5404\u90e8\u5206\u89e3\u91ca<\/h5>\n<ul>\n<li>SELECT TOP (1000)&#xff1a;\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u4ec5\u8fd4\u56de\u524d 1000 \u6761\u8bb0\u5f55\u3002\u5f53\u89c6\u56fe\u4e2d\u7684\u6570\u636e\u91cf\u8f83\u5927\u65f6&#xff0c;\u4f7f\u7528 TOP \u5173\u952e\u5b57\u53ef\u4ee5\u9650\u5236\u8fd4\u56de\u7684\u6570\u636e\u91cf&#xff0c;\u907f\u514d\u8fd4\u56de\u8fc7\u591a\u6570\u636e\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u6216\u663e\u793a\u4e0d\u4fbf\u3002<\/li>\n<li>\u5217\u9009\u62e9&#xff1a;\u660e\u786e\u5217\u51fa\u4e86\u8981\u4ece\u89c6\u56fe\u4e2d\u9009\u53d6\u7684\u5217&#xff0c;\u8fd9\u4e9b\u5217\u6db5\u76d6\u4e86\u53ef\u7528\u6027\u7ec4\u3001\u526f\u672c\u3001\u6570\u636e\u5e93\u7684\u5404\u79cd\u72b6\u6001\u548c\u6027\u80fd\u6307\u6807\u3002<\/li>\n<li>FROM [master].[dbo].[ha_status]&#xff1a;\u6307\u5b9a\u67e5\u8be2\u7684\u6570\u636e\u6765\u6e90\u4e3a [master] \u6570\u636e\u5e93\u4e2d [dbo] \u67b6\u6784\u4e0b\u7684 [ha_status] \u89c6\u56fe\u3002<\/li>\n<\/ul>\n<h4>2. \u89c6\u56fe [ha_status] \u5404\u5217\u8be6\u7ec6\u89e3\u91ca<\/h4>\n<h5>\u6807\u8bc6\u4fe1\u606f<\/h5>\n<ul>\n<li>AvailabilityGroupName&#xff1a;\u53ef\u7528\u6027\u7ec4\u7684\u540d\u79f0&#xff0c;\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u4e00\u4e2a Always On \u53ef\u7528\u6027\u7ec4\u3002\u901a\u8fc7\u8be5\u540d\u79f0\u53ef\u4ee5\u533a\u5206\u4e0d\u540c\u7684\u53ef\u7528\u6027\u7ec4&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u5458\u5bf9\u591a\u4e2a\u53ef\u7528\u6027\u7ec4\u8fdb\u884c\u7ba1\u7406\u548c\u76d1\u63a7\u3002<\/li>\n<li>AvailabilityReplicaServerName&#xff1a;\u53ef\u7528\u6027\u526f\u672c\u6240\u5728\u7684 SQL Server \u5b9e\u4f8b\u540d\u79f0\u3002\u6bcf\u4e2a\u53ef\u7528\u6027\u7ec4\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u526f\u672c&#xff0c;\u5206\u5e03\u5728\u4e0d\u540c\u7684\u670d\u52a1\u5668\u4e0a&#xff0c;\u8be5\u5217\u7528\u4e8e\u6807\u8bc6\u526f\u672c\u6240\u5728\u7684\u5177\u4f53\u670d\u52a1\u5668\u3002<\/li>\n<li>AvailabilityDatabaseName&#xff1a;\u53ef\u7528\u6027\u7ec4\u4e2d\u6570\u636e\u5e93\u7684\u540d\u79f0&#xff0c;\u8868\u660e\u8be5\u8bb0\u5f55\u6240\u6d89\u53ca\u7684\u5177\u4f53\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<h5>\u6545\u969c\u8f6c\u79fb\u76f8\u5173<\/h5>\n<ul>\n<li>IsFailoverReady&#xff1a;\u8868\u793a\u8be5\u6570\u636e\u5e93\u526f\u672c\u662f\u5426\u5df2\u51c6\u5907\u597d\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u3002\u503c\u4e3a 1 \u8868\u793a\u51c6\u5907\u597d&#xff0c;0 \u8868\u793a\u672a\u51c6\u5907\u597d\u3002\u6b64\u6307\u6807\u5bf9\u4e8e\u8bc4\u4f30\u53ef\u7528\u6027\u7ec4\u7684\u9ad8\u53ef\u7528\u6027\u81f3\u5173\u91cd\u8981&#xff0c;\u5f53\u4e3b\u526f\u672c\u51fa\u73b0\u6545\u969c\u65f6&#xff0c;\u53ea\u6709\u51c6\u5907\u597d\u7684\u8f85\u52a9\u526f\u672c\u624d\u80fd\u987a\u5229\u63a5\u7ba1\u5de5\u4f5c\u3002<\/li>\n<li>EstimatedDataLoss_(Seconds)&#xff1a;\u4f30\u8ba1\u7684\u6570\u636e\u4e22\u5931\u65f6\u95f4&#xff08;\u4ee5\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002\u5728\u6545\u969c\u8f6c\u79fb\u8fc7\u7a0b\u4e2d&#xff0c;\u5982\u679c\u8f85\u52a9\u526f\u672c\u4e0e\u4e3b\u526f\u672c\u4e4b\u95f4\u5b58\u5728\u6570\u636e\u5ef6\u8fdf&#xff0c;\u53ef\u80fd\u4f1a\u5bfc\u81f4\u90e8\u5206\u6570\u636e\u4e22\u5931&#xff0c;\u8be5\u6307\u6807\u7528\u4e8e\u4f30\u7b97\u53ef\u80fd\u4e22\u5931\u7684\u6570\u636e\u5bf9\u5e94\u7684\u65f6\u95f4\u8303\u56f4\u3002<\/li>\n<\/ul>\n<h5>\u526f\u672c\u89d2\u8272\u4e0e\u6a21\u5f0f<\/h5>\n<ul>\n<li>ReplicaRole&#xff1a;\u526f\u672c\u7684\u89d2\u8272&#xff0c;\u5982\u4e3b\u526f\u672c\u3001\u8f85\u52a9\u526f\u672c\u7b49\u3002\u4e0d\u540c\u7684\u89d2\u8272\u5177\u6709\u4e0d\u540c\u7684\u529f\u80fd\u548c\u804c\u8d23&#xff0c;\u4e3b\u526f\u672c\u8d1f\u8d23\u5904\u7406\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u8f85\u52a9\u526f\u672c\u5219\u7528\u4e8e\u6570\u636e\u5907\u4efd\u548c\u6545\u969c\u8f6c\u79fb\u3002<\/li>\n<li>AvailabilityMode&#xff1a;\u53ef\u7528\u6027\u6a21\u5f0f&#xff0c;\u4f8b\u5982\u540c\u6b65\u63d0\u4ea4\u6216\u5f02\u6b65\u63d0\u4ea4\u3002\u540c\u6b65\u63d0\u4ea4\u6a21\u5f0f\u4e0b&#xff0c;\u4e3b\u526f\u672c\u5728\u786e\u8ba4\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u4f1a\u7b49\u5f85\u8f85\u52a9\u526f\u672c\u5c06\u4e8b\u52a1\u65e5\u5fd7\u5199\u5165\u78c1\u76d8&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027&#xff1b;\u5f02\u6b65\u63d0\u4ea4\u6a21\u5f0f\u5219\u4e0d\u7b49\u5f85&#xff0c;\u6027\u80fd\u8f83\u9ad8\u4f46\u53ef\u80fd\u5b58\u5728\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h5>\u6062\u590d\u65f6\u95f4\u4e0e\u6027\u80fd\u6307\u6807<\/h5>\n<ul>\n<li>EstimatedRecoveryTime_(Seconds)&#xff1a;\u4f30\u8ba1\u7684\u6062\u590d\u65f6\u95f4&#xff08;\u4ee5\u79d2\u4e3a\u5355\u4f4d&#xff09;&#xff0c;\u8868\u793a\u8f85\u52a9\u526f\u672c\u5728\u53d1\u751f\u6545\u969c\u540e\u6062\u590d\u5230\u53ef\u7528\u72b6\u6001\u6240\u9700\u7684\u5927\u81f4\u65f6\u95f4\u3002\u8be5\u6307\u6807\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u8bc4\u4f30\u6545\u969c\u6062\u590d\u7684\u6548\u7387\u548c\u5f71\u54cd\u8303\u56f4\u3002<\/li>\n<li>LogSendQueueSize&#xff1a;\u65e5\u5fd7\u53d1\u9001\u961f\u5217\u7684\u5927\u5c0f&#xff0c;\u53cd\u6620\u4e86\u4e3b\u526f\u672c\u7b49\u5f85\u53d1\u9001\u5230\u8f85\u52a9\u526f\u672c\u7684\u4e8b\u52a1\u65e5\u5fd7\u7684\u6570\u91cf\u3002\u961f\u5217\u8fc7\u5927\u53ef\u80fd\u8868\u793a\u7f51\u7edc\u5ef6\u8fdf\u6216\u8f85\u52a9\u526f\u672c\u5904\u7406\u80fd\u529b\u4e0d\u8db3\u3002<\/li>\n<li>LogSendRate_KB\/S&#xff1a;\u65e5\u5fd7\u53d1\u9001\u901f\u7387&#xff08;\u4ee5 KB\/\u79d2\u4e3a\u5355\u4f4d&#xff09;&#xff0c;\u8861\u91cf\u4e3b\u526f\u672c\u5411\u8f85\u52a9\u526f\u672c\u53d1\u9001\u4e8b\u52a1\u65e5\u5fd7\u7684\u901f\u5ea6\u3002\u8be5\u6307\u6807\u53ef\u4ee5\u53cd\u6620\u7f51\u7edc\u5e26\u5bbd\u548c\u7cfb\u7edf\u6027\u80fd\u5bf9\u65e5\u5fd7\u4f20\u8f93\u7684\u5f71\u54cd\u3002<\/li>\n<li>RedoQueueSize_KB&#xff1a;\u91cd\u505a\u961f\u5217\u7684\u5927\u5c0f&#xff0c;\u5373\u8f85\u52a9\u526f\u672c\u7b49\u5f85\u91cd\u505a\u7684\u4e8b\u52a1\u65e5\u5fd7\u7684\u6570\u91cf\u3002\u961f\u5217\u8fc7\u5927\u53ef\u80fd\u5bfc\u81f4\u8f85\u52a9\u526f\u672c\u4e0e\u4e3b\u526f\u672c\u4e4b\u95f4\u7684\u5ef6\u8fdf\u589e\u52a0\u3002<\/li>\n<li>RedoRate_KB\/S&#xff1a;\u91cd\u505a\u901f\u7387&#xff08;\u4ee5 KB\/\u79d2\u4e3a\u5355\u4f4d&#xff09;&#xff0c;\u8868\u793a\u8f85\u52a9\u526f\u672c\u91cd\u505a\u4e8b\u52a1\u65e5\u5fd7\u7684\u901f\u5ea6\u3002\u8be5\u6307\u6807\u53cd\u6620\u4e86\u8f85\u52a9\u526f\u672c\u5904\u7406\u65e5\u5fd7\u7684\u80fd\u529b\u3002<\/li>\n<li>SynchronizationPerformance&#xff1a;\u540c\u6b65\u6027\u80fd\u6307\u6807&#xff0c;\u901a\u8fc7\u65e5\u5fd7\u53d1\u9001\u961f\u5217\u5927\u5c0f\u548c\u65e5\u5fd7\u53d1\u9001\u901f\u7387\u8ba1\u7b97\u5f97\u51fa&#xff0c;\u7528\u4e8e\u8bc4\u4f30\u4e3b\u526f\u672c\u548c\u8f85\u52a9\u526f\u672c\u4e4b\u95f4\u7684\u540c\u6b65\u6548\u7387\u3002<\/li>\n<\/ul>\n<h5>\u540c\u6b65\u4e0e\u72b6\u6001\u4fe1\u606f<\/h5>\n<ul>\n<li>IsSuspended&#xff1a;\u8868\u793a\u8be5\u6570\u636e\u5e93\u526f\u672c\u662f\u5426\u5df2\u6682\u505c\u3002\u503c\u4e3a 1 \u8868\u793a\u6682\u505c&#xff0c;0 \u8868\u793a\u6b63\u5e38\u8fd0\u884c\u3002\u6682\u505c\u526f\u672c\u53ef\u80fd\u662f\u7531\u4e8e\u7ef4\u62a4\u3001\u6545\u969c\u6392\u67e5\u7b49\u539f\u56e0\u3002<\/li>\n<li>SuspendReason&#xff1a;\u5982\u679c\u526f\u672c\u5df2\u6682\u505c&#xff0c;\u8be5\u5217\u663e\u793a\u6682\u505c\u7684\u539f\u56e0&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u5458\u4e86\u89e3\u60c5\u51b5\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u3002<\/li>\n<li>SynchronizationState&#xff1a;\u526f\u672c\u7684\u540c\u6b65\u72b6\u6001&#xff0c;\u5982\u6b63\u5728\u540c\u6b65\u3001\u5df2\u540c\u6b65\u7b49\u3002\u540c\u6b65\u72b6\u6001\u53cd\u6620\u4e86\u526f\u672c\u4e0e\u4e3b\u526f\u672c\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\u7a0b\u5ea6\u3002<\/li>\n<li>LastReceivedTime&#xff1a;\u8f85\u52a9\u526f\u672c\u6700\u540e\u4e00\u6b21\u63a5\u6536\u5230\u4e3b\u526f\u672c\u53d1\u9001\u7684\u4e8b\u52a1\u65e5\u5fd7\u7684\u65f6\u95f4&#xff0c;\u7528\u4e8e\u76d1\u63a7\u65e5\u5fd7\u63a5\u6536\u7684\u53ca\u65f6\u6027\u3002<\/li>\n<li>LastRedoneTime&#xff1a;\u8f85\u52a9\u526f\u672c\u6700\u540e\u4e00\u6b21\u91cd\u505a\u4e8b\u52a1\u65e5\u5fd7\u7684\u65f6\u95f4&#xff0c;\u7ed3\u5408 LastReceivedTime \u53ef\u4ee5\u5206\u6790\u8f85\u52a9\u526f\u672c\u5904\u7406\u65e5\u5fd7\u7684\u5ef6\u8fdf\u60c5\u51b5\u3002<\/li>\n<li>LastSentTime&#xff1a;\u4e3b\u526f\u672c\u6700\u540e\u4e00\u6b21\u53d1\u9001\u4e8b\u52a1\u65e5\u5fd7\u7684\u65f6\u95f4&#xff0c;\u7528\u4e8e\u76d1\u63a7\u4e3b\u526f\u672c\u7684\u65e5\u5fd7\u53d1\u9001\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<h5>\u5176\u4ed6\u4fe1\u606f<\/h5>\n<ul>\n<li>FileStreamSendRate&#xff1a;FileStream \u6570\u636e\u7684\u53d1\u9001\u901f\u7387&#xff0c;\u5bf9\u4e8e\u4f7f\u7528 FileStream \u529f\u80fd\u5b58\u50a8\u5927\u578b\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u6570\u636e\u5e93&#xff0c;\u8be5\u6307\u6807\u53ef\u4ee5\u53cd\u6620\u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\u3002<\/li>\n<li>IsJoined&#xff1a;\u8868\u793a\u6570\u636e\u5e93\u662f\u5426\u5df2\u52a0\u5165\u5230\u53ef\u7528\u6027\u7ec4\u4e2d\u3002\u503c\u4e3a 1 \u8868\u793a\u5df2\u52a0\u5165&#xff0c;0 \u8868\u793a\u672a\u52a0\u5165\u3002<\/li>\n<li>IsLocal&#xff1a;\u8868\u793a\u8be5\u526f\u672c\u662f\u5426\u4e3a\u672c\u5730\u526f\u672c\u3002<\/li>\n<li>LastCommitLSN&#xff1a;\u6700\u540e\u63d0\u4ea4\u4e8b\u52a1\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7&#xff08;LSN&#xff09;&#xff0c;\u7528\u4e8e\u6807\u8bc6\u4e8b\u52a1\u7684\u987a\u5e8f\u548c\u4f4d\u7f6e\u3002<\/li>\n<li>LastCommitTime&#xff1a;\u6700\u540e\u63d0\u4ea4\u4e8b\u52a1\u7684\u65f6\u95f4\u3002<\/li>\n<li>LastHardenedLSN&#xff1a;\u6700\u540e\u6301\u4e45\u5316\u5230\u78c1\u76d8\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>LastHardenedTime&#xff1a;\u6700\u540e\u6301\u4e45\u5316\u65e5\u5fd7\u5230\u78c1\u76d8\u7684\u65f6\u95f4\u3002<\/li>\n<li>LastReceivedLSN&#xff1a;\u6700\u540e\u63a5\u6536\u5230\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<li>LastRedoneLSN&#xff1a;\u6700\u540e\u91cd\u505a\u7684\u65e5\u5fd7\u5e8f\u5217\u53f7\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u4fe1\u606f&#xff0c;\u7ba1\u7406\u5458\u53ef\u4ee5\u5168\u9762\u4e86\u89e3 Always On \u53ef\u7528\u6027\u7ec4\u7684\u8fd0\u884c\u72b6\u6001&#xff0c;\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u95ee\u9898\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd&#xff0c;\u786e\u4fdd\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h3>seeding<\/h3>\n<p>\u5728 SQL Server Always On \u53ef\u7528\u6027\u7ec4\u7684\u4e0a\u4e0b\u6587\u4e2d&#xff0c;\u201cseeding\u201d&#xff08;\u79cd\u5b50\u8bbe\u5b9a&#xff09;\u662f\u5c06\u4e3b\u526f\u672c\u4e0a\u7684\u6570\u636e\u5e93\u6570\u636e\u521d\u59cb\u590d\u5236\u5230\u8f85\u52a9\u526f\u672c\u7684\u8fc7\u7a0b\u3002Seeding \u72b6\u6001\u53cd\u6620\u4e86\u8fd9\u4e2a\u6570\u636e\u521d\u59cb\u5316\u8fc7\u7a0b\u7684\u5f53\u524d\u60c5\u51b5\u3002\u4e0b\u9762\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd\u76f8\u5173\u5185\u5bb9&#xff1a;<\/p>\n<h4>Seeding \u7684\u4e3b\u8981\u4f5c\u7528<\/h4>\n<p>\u5728\u521b\u5efa\u65b0\u7684\u8f85\u52a9\u526f\u672c\u6216\u8005\u5c06\u65b0\u6570\u636e\u5e93\u52a0\u5165\u5230\u53ef\u7528\u6027\u7ec4\u65f6&#xff0c;\u9700\u8981\u5c06\u4e3b\u526f\u672c\u4e0a\u7684\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6\u590d\u5236\u5230\u8f85\u52a9\u526f\u672c\u4e0a&#xff0c;\u8ba9\u8f85\u52a9\u526f\u672c\u4e0e\u4e3b\u526f\u672c\u7684\u6570\u636e\u4fdd\u6301\u4e00\u81f4&#xff0c;\u4ee5\u4fbf\u540e\u7eed\u8fdb\u884c\u6b63\u5e38\u7684\u6570\u636e\u540c\u6b65\u548c\u6545\u969c\u8f6c\u79fb\u3002Seeding \u63d0\u4f9b\u4e86\u4e00\u79cd\u81ea\u52a8\u5316\u3001\u9ad8\u6548\u7684\u65b9\u5f0f\u6765\u5b8c\u6210\u8fd9\u4e2a\u521d\u59cb\u6570\u636e\u590d\u5236\u8fc7\u7a0b\u3002<\/p>\n<h4>\u5e38\u89c1\u7684 Seeding \u72b6\u6001\u53ca\u542b\u4e49<\/h4>\n<h5>1. NOT_STARTED<\/h5>\n<ul>\n<li>\u542b\u4e49&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u5c1a\u672a\u5f00\u59cb\u3002\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u7ba1\u7406\u5458\u8fd8\u6ca1\u6709\u89e6\u53d1\u79cd\u5b50\u8bbe\u5b9a\u64cd\u4f5c&#xff0c;\u6216\u8005\u6b63\u5728\u7b49\u5f85\u5fc5\u8981\u7684\u6761\u4ef6\u6ee1\u8db3&#xff0c;\u4f8b\u5982\u7f51\u7edc\u8fde\u63a5\u3001\u6743\u9650\u7b49\u3002<\/li>\n<li>\u53ef\u80fd\u7684\u539f\u56e0&#xff1a;\n<ul>\n<li>\u624b\u52a8\u79cd\u5b50\u8bbe\u5b9a\u6a21\u5f0f\u4e0b&#xff0c;\u7ba1\u7406\u5458\u8fd8\u672a\u6267\u884c\u76f8\u5173\u7684\u79cd\u5b50\u8bbe\u5b9a\u547d\u4ee4\u3002<\/li>\n<li>\u81ea\u52a8\u79cd\u5b50\u8bbe\u5b9a\u6a21\u5f0f\u4e0b&#xff0c;\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u5148\u51b3\u6761\u4ef6\u672a\u6ee1\u8db3&#xff0c;\u5982\u7aef\u70b9\u914d\u7f6e\u4e0d\u6b63\u786e\u3001\u9632\u706b\u5899\u963b\u6b62\u4e86\u901a\u4fe1\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. IN_PROGRESS<\/h5>\n<ul>\n<li>\u542b\u4e49&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u6b63\u5728\u8fdb\u884c\u4e2d\u3002\u6b64\u65f6&#xff0c;\u4e3b\u526f\u672c\u6b63\u5728\u5c06\u6570\u636e\u5e93\u7684\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6\u590d\u5236\u5230\u8f85\u52a9\u526f\u672c\u3002<\/li>\n<li>\u76d1\u63a7\u8981\u70b9&#xff1a;\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u76f8\u5173\u7684\u7cfb\u7edf\u89c6\u56fe\u548c\u6027\u80fd\u6307\u6807\u6765\u76d1\u63a7\u79cd\u5b50\u8bbe\u5b9a\u7684\u8fdb\u5ea6&#xff0c;\u5982 sys.dm_hadr_automatic_seeding \u89c6\u56fe\u4e2d\u7684 transfer_rate_bytes_per_second \u5217\u53ef\u4ee5\u663e\u793a\u5f53\u524d\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387&#xff0c;total_data_bytes \u548c bytes_sent \u5217\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u4f20\u8f93\u8fdb\u5ea6\u3002<\/li>\n<\/ul>\n<h5>3. COMPLETED<\/h5>\n<ul>\n<li>\u542b\u4e49&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u5df2\u6210\u529f\u5b8c\u6210\u3002\u8f85\u52a9\u526f\u672c\u5df2\u7ecf\u63a5\u6536\u5230\u4e3b\u526f\u672c\u4e0a\u7684\u6240\u6709\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u5e76\u4e14\u6570\u636e\u5904\u4e8e\u4e00\u81f4\u72b6\u6001&#xff0c;\u53ef\u4ee5\u5f00\u59cb\u6b63\u5e38\u7684\u540c\u6b65\u8fc7\u7a0b\u3002<\/li>\n<li>\u540e\u7eed\u64cd\u4f5c&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u5b8c\u6210\u540e&#xff0c;\u8f85\u52a9\u526f\u672c\u4f1a\u5f00\u59cb\u4e0e\u4e3b\u526f\u672c\u8fdb\u884c\u65e5\u5fd7\u540c\u6b65&#xff0c;\u4ee5\u4fdd\u6301\u6570\u636e\u7684\u5b9e\u65f6\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h5>4. FAILED<\/h5>\n<ul>\n<li>\u542b\u4e49&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u5931\u8d25\u3002\u53ef\u80fd\u662f\u7531\u4e8e\u5404\u79cd\u539f\u56e0\u5bfc\u81f4\u590d\u5236\u8fc7\u7a0b\u4e2d\u65ad&#xff0c;\u5982\u7f51\u7edc\u6545\u969c\u3001\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u3001\u6743\u9650\u95ee\u9898\u7b49\u3002<\/li>\n<li>\u6392\u67e5\u65b9\u6cd5&#xff1a;\u53ef\u4ee5\u67e5\u770b sys.dm_hadr_automatic_seeding \u89c6\u56fe\u4e2d\u7684 failure_message \u5217&#xff0c;\u83b7\u53d6\u8be6\u7ec6\u7684\u5931\u8d25\u4fe1\u606f&#xff0c;\u6839\u636e\u9519\u8bef\u4fe1\u606f\u8fdb\u884c\u76f8\u5e94\u7684\u6392\u67e5\u548c\u4fee\u590d\u3002<\/li>\n<\/ul>\n<h5>5. CANCELLED<\/h5>\n<ul>\n<li>\u542b\u4e49&#xff1a;\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u88ab\u624b\u52a8\u53d6\u6d88\u3002\u7ba1\u7406\u5458\u53ef\u4ee5\u5728\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u4e2d\u6839\u636e\u9700\u8981\u53d6\u6d88\u64cd\u4f5c\u3002<\/li>\n<li>\u540e\u7eed\u5904\u7406&#xff1a;\u5982\u679c\u9700\u8981\u91cd\u65b0\u8fdb\u884c\u79cd\u5b50\u8bbe\u5b9a&#xff0c;\u9700\u8981\u91cd\u65b0\u89e6\u53d1\u79cd\u5b50\u8bbe\u5b9a\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h4>\u67e5\u770b Seeding \u72b6\u6001\u7684\u65b9\u6cd5<\/h4>\n<h5>\u4f7f\u7528\u7cfb\u7edf\u89c6\u56fe sys.dm_hadr_automatic_seeding<\/h5>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n    ag<span class=\"token punctuation\">.<\/span>name <span class=\"token keyword\">AS<\/span> availability_group_name<span class=\"token punctuation\">,<\/span><br \/>\n    ar<span class=\"token punctuation\">.<\/span>replica_server_name<span class=\"token punctuation\">,<\/span><br \/>\n    ads<span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span><br \/>\n<span class=\"token keyword\">FROM<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>dm_hadr_automatic_seeding ads<br \/>\n<span class=\"token keyword\">JOIN<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>availability_replicas ar <span class=\"token keyword\">ON<\/span> ads<span class=\"token punctuation\">.<\/span>ag_replica_id <span class=\"token operator\">&#061;<\/span> ar<span class=\"token punctuation\">.<\/span>replica_id<br \/>\n<span class=\"token keyword\">JOIN<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>availability_groups ag <span class=\"token keyword\">ON<\/span> ar<span class=\"token punctuation\">.<\/span>group_id <span class=\"token operator\">&#061;<\/span> ag<span class=\"token punctuation\">.<\/span>group_id<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u4e2a\u67e5\u8be2\u53ef\u4ee5\u83b7\u53d6\u6bcf\u4e2a\u53ef\u7528\u6027\u7ec4\u548c\u526f\u672c\u7684\u79cd\u5b50\u8bbe\u5b9a\u72b6\u6001\u4fe1\u606f&#xff0c;\u5e2e\u52a9\u7ba1\u7406\u5458\u76d1\u63a7\u548c\u7ba1\u7406\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u3002<\/p>\n<p>\u901a\u8fc7\u4e86\u89e3 Seeding \u72b6\u6001&#xff0c;\u7ba1\u7406\u5458\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u79cd\u5b50\u8bbe\u5b9a\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u95ee\u9898&#xff0c;\u786e\u4fdd\u53ef\u7528\u6027\u7ec4\u7684\u987a\u5229\u90e8\u7f72\u548c\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e23\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u8fd9\u884c\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u7684\u89c6\u56fe\uff0c\u5176\u4e2ddbo\u662f\u89c6\u56fe\u6240\u5c5e\u7684\u67b6\u6784\u3002\u8fd9\u4e2a\u89c6\u56fe\u4e3b\u8981\u7528\u4e8e\u6c47\u603b SQL Server Always On \u53ef\u7528\u6027\u7ec4\u7684\u76f8\u5173\u72b6\u6001\u4fe1\u606f\uff0c\u5305\u62ec\u53ef\u7528\u6027\u7ec4\u540d\u79f0\u3001\u526f\u672c\u670d\u52a1\u5668\u540d\u79f0\u3001\u6570\u636e\u5e93\u540d\u79f0\u3001\u6545\u969c\u8f6c\u79fb\u51c6\u5907\u60c5\u51b5\u3001\u6570\u636e\u4e22\u5931\u4f30\u8ba1\u3001\u6062\u590d\u65f6\u95f4\u4f30\u8ba1\u3001\u540c\u6b65\u72b6\u6001\u7b49\uff0c\u65b9\u4fbf\u7ba1\u7406\u5458\u76d1\u63a7\u548c\u7ba1\u7406\u53ef\u7528\u6027\u7ec4\u3002\u6b64\u67e5\u8be2\u8bed\u53e5\u7684\u4f5c\u7528\u662f\u4ece\u89c6\u56fe\u4e2d\u9009\u53d6\u524d 1000 \u6761\u8bb0\u5f55\uff0c\u83b7\u53d6 SQL Server Always On \u53ef\u7528\u6027\u7ec4\u7684\u8be6\u7ec6\u72b6\u6001\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u4e8e\u76d1\u63a7\u548c\u7ba1\u7406\u53ef\u7528\u6027\u7ec4\u7684\u5065\u5eb7\u72b6\u51b5\u3001\u6027\u80fd\u8868\u73b0\u4ee5\u53ca\u6545\u969c\u8f6c\u79fb\u80fd\u529b\u7b49\u65b9\u9762\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002_sqlserver alyways on \u67e5\u770b\u53ef\u7528\u7ec4\u72b6\u6001<\/p>\n","protected":false},"author":2,"featured_media":9349,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[315,100,43],"topic":[],"class_list":["post-9356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-dba","tag-100","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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