我已经与 SQL Server 斗争了一周,试图启动并运行复制,现在我意识到很可能我做错了什么,我希望你们中的一个人能帮助我指出正确的方向。
我想在我的实验室环境中开始复制一个大型(180GB)数据库,每次最终结果都是“应用复制命令时在订阅服务器上找不到该行”类型的错误时。(来源:MSSQLServer,错误号: 20598)"。
有多个数据库要复制,较小的数据库 (<= 4GB) 启动时没有问题,一个 21GB 的中型数据库有一个类似的错误,自从我发现并将丢失的数据插入到订户数据库。
几个事实:
- 由于发布者是镜像数据库,因此我已将分发者设置为远程分发者。
- 我认为分配器设置是好的,因为所有复制的数据库都采用相同的“路径”并且较小的数据库正在工作。
- 分发者和订阅者设置在同一台服务器上。
- 总而言之,以下过程大约需要 3.5-4 小时。
- 数据库在完全恢复模式下运行
- 在此期间,发布者上的所有日志备份都将关闭。
这是我所做的:
在发布
者上
创建出版物并添加所有文章
use [Zaragoza]
exec sp_replicationdboption @dbname = N'Zaragoza',
@optname = N'publish',
@value = N'true'
GO
exec [Zaragoza].sys.sp_addlogreader_agent @job_login = N'NS-LAB-DB-40\SqlServiceUser',
@job_password = N'********', -- Modify Here
@publisher_security_mode = 1,
@job_name = null
GO
-- Adding the transactional publication
exec sp_addpublication @publication = N'Zaragoza_Full',
@description = N'Transactional publication of database ''Zaragoza'' from Publisher ''NS-LAB-DB-38''.',
@sync_method = N'concurrent',
@retention = 0,
@allow_push = N'true',
@allow_pull = N'true',
@allow_anonymous = N'false',
@enabled_for_internet = N'false',
@snapshot_in_defaultfolder = N'true',
@compress_snapshot = N'false',
@ftp_port = 21,
@allow_subscription_copy = N'false',
@add_to_active_directory = N'false',
@repl_freq = N'continuous',
@status = N'active',
@independent_agent = N'true',
@immediate_sync = N'true', -- Needs TRUE
@allow_sync_tran = N'false',
@allow_queued_tran = N'false',
@allow_dts = N'false',
@replicate_ddl = 1,
@allow_initialize_from_backup = N'true', -- Modify Here
@enabled_for_p2p = N'false',
@enabled_for_het_sub = N'false'
GO
/* SHOULD not need this since no snapshots will be generated
exec sp_addpublication_snapshot @publication = N'Zaragoza_Full',
@frequency_type = 1,
@frequency_interval = 1,
@frequency_relative_interval = 1,
@frequency_recurrence_factor = 0,
@frequency_subday = 8,
@frequency_subday_interval = 1,
@active_start_time_of_day = 0,
@active_end_time_of_day = 235959,
@active_start_date = 0,
@active_end_date = 0,
@job_login = N'NS-LAB-DB-40\SqlServiceUser',
@job_password = N'********',
@publisher_security_mode = 1
*/
exec sp_addarticle @publication = N'Zaragoza_Full',
@article = N'__MigrationLog',
@source_owner = N'dbo',
@source_object = N'__MigrationLog',
@type = N'logbased',
@description = null,
@creation_script = null,
@pre_creation_cmd = N'drop',
@schema_option = 0x000000000803509F,
@identityrangemanagementoption = N'manual',
@destination_table = N'__MigrationLog',
@destination_owner = N'dbo',
@vertical_partition = N'false',
@ins_cmd = N'CALL sp_MSins_dbo__MigrationLog',
@del_cmd = N'CALL sp_MSdel_dbo__MigrationLog',
@upd_cmd = N'SCALL sp_MSupd_dbo__MigrationLog'
GO
-- MANY more "EXEC sp_addarticle"....
在发布
者上,
我重新编译了订阅 SP,因为我曾经遇到过它们的问题。
我使用以下语句的输出:
USE Zaragoza;
EXEC sp_scriptpublicationcustomprocs @publication=N'Zaragoza_Full';
在发布者上,
我备份数据库和日志
BACKUP DATABASE Zaragoza TO DISK = 'E:\Backup\Zaragoza_FULL.bkp' WITH INIT, STATS=5;
BACKUP LOG Zaragoza TO DISK = 'E:\Backup\Zaragoza_LOG.bkp' WITH INIT, STATS=5;
在订阅者
上 从发布者复制备份
CD /D E:\Backup
COPY /Y \\NS-LAB-DB-38-mirror\Backup\Zaragoza_FULL.bkp .
COPY /Y \\NS-LAB-DB-38-mirror\Backup\Zaragoza_LOG.bkp .
在订阅服务器上
恢复数据库和日志备份
USE [master]
GO
RESTORE DATABASE Zaragoza_Sub
FROM DISK = 'E:\Backup\Zaragoza_FULL.bkp'
WITH NORECOVERY, REPLACE, STATS=5,
MOVE 'Zaragoza' TO 'I:\mssql_repl\Zaragoza_Sub\Zaragoza_Sub.mdf',
MOVE 'Zaragoza_log' TO 'I:\mssql_repl\Zaragoza_Sub\Zaragoza_Sub_log.ldf';
GO
RESTORE LOG Zaragoza_Sub
FROM DISK = 'E:\Backup\Zaragoza_LOG.bkp'
WITH RECOVERY, STATS=25;
GO
在订阅者上
删除所有触发器,因为我注意到它们干扰了复制 SP
USE Zaragoza_Sub;
DECLARE @Trigger nvarchar(100),
@SQL nvarchar(2000);
DECLARE curTriggers CURSOR
LOCAL FAST_FORWARD FOR
SELECT DISTINCT tr.name TriggerName--, te.type_desc TriggerType, ob.name TableName, tr.is_disabled, c.text
FROM sys.triggers tr INNER JOIN
sys.trigger_events te ON tr.object_id = te.object_id INNER JOIN
sys.objects ob ON tr.parent_id = ob.object_id;
OPEN curTriggers;
FETCH NEXT FROM curTriggers INTO @Trigger;
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @SQL = 'DROP TRIGGER dbo.' + @Trigger + ';';
EXEC sp_executesql @SQL;
FETCH NEXT FROM curTriggers INTO @Trigger;
END;
CLOSE curTriggers;
DEALLOCATE curTriggers;
在发布者上
添加订阅和推送代理
-----------------BEGIN: Script to be run at Publisher 'NS-LAB-DB-38'-----------------
----------------- ********* -----------------
use [Zaragoza]
exec sp_addsubscription @publication = N'Zaragoza_Full',
@subscriber = N'NS-LAB-DB-40',
@destination_db = N'Zaragoza_Sub',
@subscription_type = N'Push',
@sync_type = N'initialize with backup', --@sync_type = N'replication support only',
@status = N'active', -- ADD this line
@article = N'all',
@update_mode = N'read only',
@subscriber_type = 0,
@backupdevicetype=N'disk',
@backupdevicename=N'E:\backup\Zaragoza_LOG.bkp';
exec sp_addpushsubscription_agent @publication = N'Zaragoza_Full',
@subscriber = N'NS-LAB-DB-40',
@subscriber_db = N'Zaragoza_Sub',
@job_login = N'NS-LAB-DB-40\SqlServiceUser',
@job_password = N'********', -- Modify Here
@subscriber_security_mode = 1,
@frequency_type = 64,
@frequency_interval = 0,
@frequency_relative_interval = 0,
@frequency_recurrence_factor = 0,
@frequency_subday = 0,
@frequency_subday_interval = 0,
@active_start_time_of_day = 0,
@active_end_time_of_day = 235959,
@active_start_date = 20140618,
@active_end_date = 99991231,
@enabled_for_syncmgr = N'False',
@dts_package_location = N'Distributor';
GO
-----------------END: Script to be run at Publisher 'NS-LAB-DB-38'-----------------
最糟糕的是,这只是一个 LAB 系统,当我将它应用到 Live 时,我将不得不处理每天 10,000 多笔交易的 24/7 环境,所以停机时间是绝对不行的。
如果您缺少任何详细信息,请随时询问,我很乐意提供我所拥有的所有详细信息。
祝你有美好的一天
DS