Jan 10, 2008
Have a small shop and a maintenance plan that does a full backup on all user databases every night. I would have thought that a full backup (transaction log, too), would reduce the size of the transaction logs? Isn't that the point of a full backup? Mine seem to be growing larger. I do the shrink, rebuild indexes, backup the databse, backup the transaction log, clear history and folders older than 7 days. For example, the following db decreased only once during the period. But, note how the transaction log size continues to increases most of the time.
db, trn
253,196 - 394,245
253,193 - 365,695
253,191 - 360,572
254,219 - 381,699
254,223 - 406,346
254,223 - 411,018
Can someone explain this to me? Am I doing something wrong or just not understanding the process correctly?
Thanks,
Janet
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May 29, 2007
The SQL server transition log backups for the ReportServer and ReportServerTempDB databases have stopped working ever since I applied SQL Server SP2 to my TFS. I know this because I know the date the SQL SP was applied and I see that my transaction logs started to fail immediately after application of the SP. This is noted because the backup logs for SQL server start to contain the failure immediately after SP2 application. The failure is because the databases are now set to the simple recovery model (or they were set to the simple model before application of SP2 and the previous SQL server allowed or properly ignored transaction log backups with the simple database recovery model). Why is this failing since the backup task indicates that databases with simple recovery are automatically excluded? Is the reportserver and reportservertempdb both supposed to be simple recovery? I thought reportserver was usually full recovery.
Here's the contents of TfsTransactionLogBackup_20070308160004.txt before the SP2 application:
Code SnippetMicrosoft(R) Server Maintenance Utility (Unicode) Version 9.0.2047
Report was generated on "TEAMSERVER".
Maintenance Plan: TfsTransactionLogBackup
Duration: 00:00:00
Status: Succeeded.
Details:
Here's the contents of TfsTransactionLogBackup_Subplan_20070308180007.txt immediately after application of SP2:
Code Snippet
NEW COMPONENT OUTPUT
Microsoft(R) Server Maintenance Utility (Unicode) Version 9.0.3042
Report was generated on "TEAMSERVER".
Maintenance Plan: TfsTransactionLogBackup
Duration: 00:00:05
Status: Warning: One or more tasks failed..
Details:
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-03-08T18:00:02.
Task end: 2007-03-08T18:00:02.
Failed:(0) Database 'ReportServer' will not be backed up because it does not have its recovery model set to Full or BulkLogged.
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-03-08T18:00:02.
Task end: 2007-03-08T18:00:02.
Failed:(0) Database 'ReportServerTempDB' will not be backed up because it does not have its recovery model set to Full or BulkLogged.
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-03-08T18:00:03.
Task end: 2007-03-08T18:00:03.
Failed:(-1073548784) Executing the query "BACKUP LOG [ReportServer] TO DISK = N'E:\SQL Server\Database Services\MSSQL.1\MSSQL\Backup\ReportServer_backup_200703081800.trn' WITH NOFORMAT, NOINIT, NAME = N'ReportServer_backup_20070308180002', SKIP, REWIND, NOUNLOAD, STATS = 10
" failed with the following error: "The statement BACKUP LOG is not allowed while the recovery model is SIMPLE. Use BACKUP DATABASE or change the recovery model using ALTER DATABASE.
BACKUP LOG is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Command:BACKUP LOG [ReportServer] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupReportServer_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''ReportServer_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [ReportServerTempDB] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupReportServerTempDB_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''ReportServerTempDB_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsWorkItemTracking] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsWorkItemTracking_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsWorkItemTracking_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsIntegration] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsIntegration_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsIntegration_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsVersionControl] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsVersionControl_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsVersionControl_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsWorkItemTrackingAttachments] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsWorkItemTrackingAttachments_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsWorkItemTrackingAttachments_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsActivityLogging] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsActivityLogging_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsActivityLogging_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsBuild] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsBuild_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsBuild_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [STS_Config_TFS] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupSTS_Config_TFS_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''STS_Config_TFS_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [STS_Content_TFS] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupSTS_Content_TFS_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''STS_Content_TFS_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TFSWarehouse] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTFSWarehouse_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TFSWarehouse_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-03-08T18:00:03.
Task end: 2007-03-08T18:00:03.
Failed:(-1073548784) Executing the query "BACKUP LOG [ReportServerTempDB] TO DISK = N'E:\SQL Server\Database Services\MSSQL.1\MSSQL\Backup\ReportServerTempDB_backup_200703081800.trn' WITH NOFORMAT, NOINIT, NAME = N'ReportServerTempDB_backup_20070308180002', SKIP, REWIND, NOUNLOAD, STATS = 10
" failed with the following error: "The statement BACKUP LOG is not allowed while the recovery model is SIMPLE. Use BACKUP DATABASE or change the recovery model using ALTER DATABASE.
BACKUP LOG is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Command:BACKUP LOG [ReportServer] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupReportServer_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''ReportServer_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [ReportServerTempDB] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupReportServerTempDB_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''ReportServerTempDB_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsWorkItemTracking] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsWorkItemTracking_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsWorkItemTracking_backup_20070308180002'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsIntegration] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsIntegration_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsIntegration_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsVersionControl] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsVersionControl_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsVersionControl_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsWorkItemTrackingAttachments] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsWorkItemTrackingAttachments_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsWorkItemTrackingAttachments_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsActivityLogging] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsActivityLogging_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsActivityLogging_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TfsBuild] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTfsBuild_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TfsBuild_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [STS_Config_TFS] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupSTS_Config_TFS_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''STS_Config_TFS_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [STS_Content_TFS] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupSTS_Content_TFS_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''STS_Content_TFS_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
GO
BACKUP LOG [TFSWarehouse] TO DISK = N''E:SQL ServerDatabase ServicesMSSQL.1MSSQLBackupTFSWarehouse_backup_200703081800.trn'' WITH NOFORMAT, NOINIT, NAME = N''TFSWarehouse_backup_20070308180003'', SKIP, REWIND, NOUNLOAD, STATS = 10
And here it is after the KB934458 has been applied:
Code Snippet
NEW COMPONENT OUTPUT
Microsoft(R) Server Maintenance Utility (Unicode) Version 9.0.3054
Report was generated on "TEAMSERVER".
Maintenance Plan: TfsTransactionLogBackup
Duration: 00:00:06
Status: Warning: One or more tasks failed..
Details:
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-05-01T08:00:03.
Task end: 2007-05-01T08:00:04.
Failed:(0) Database 'ReportServer' will not be backed up because it does not have its recovery model set to Full or BulkLogged.
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-05-01T08:00:03.
Task end: 2007-05-01T08:00:04.
Failed:(0) Database 'ReportServerTempDB' will not be backed up because it does not have its recovery model set to Full or BulkLogged.
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-05-01T08:00:04.
Task end: 2007-05-01T08:00:04.
Failed:(-1073548784) Executing the query "BACKUP LOG [ReportServer] TO DISK = N'E:\SQL Server\Database Services\MSSQL.1\MSSQL\Backup\ReportServer_backup_200705010800.trn' WITH NOFORMAT, NOINIT, NAME = N'ReportServer_backup_20070501080004', SKIP, REWIND, NOUNLOAD, STATS = 10
" failed with the following error: "The statement BACKUP LOG is not allowed while the recovery model is SIMPLE. Use BACKUP DATABASE or change the recovery model using ALTER DATABASE.
BACKUP LOG is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Back Up Database (Transaction Log) (TEAMSERVER)
Backup Database on Target server connection
Databases that have a compatibility level of 70 (SQL Server version 7.0) will be skipped.
Databases: All user databases
Type: Transaction Log
Append existing
Task start: 2007-05-01T08:00:04.
Task end: 2007-05-01T08:00:04.
Failed:(-1073548784) Executing the query "BACKUP LOG [ReportServerTempDB] TO DISK = N'E:\SQL Server\Database Services\MSSQL.1\MSSQL\Backup\ReportServerTempDB_backup_200705010800.trn' WITH NOFORMAT, NOINIT, NAME = N'ReportServerTempDB_backup_20070501080004', SKIP, REWIND, NOUNLOAD, STATS = 10
" failed with the following error: "The statement BACKUP LOG is not allowed while the recovery model is SIMPLE. Use BACKUP DATABASE or change the recovery model using ALTER DATABASE.
BACKUP LOG is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly
.
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Feb 9, 2006
Is there a way to read data from a linked server,within a transaction, without using DTC?The data on the linked server is static, thereforethere is no need for two-phase commit. There isno need for locking data on the linked server, becauseit is not being updated (either from the remote server,or from the local server).I don't want to run DTC because:1.) there have been security-related flaws with DTC inthe past2.) the application doesn't do distributed updates, andbecause the data on on the remote server is static,there is really no data integrity exposure withoutDTC.I cannot specify "WITH (NOLOCK)" on the select fromthe linked server:Server: Msg 7377, Level 16, State 1, Line 6Cannot specify an index or locking hint for a remote data source.I tried setting the isolation level:SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTEDbut that seems to have no effect on the requirement to use DTC.I still get the message:MSDTC on server 'LOCALSERVER' is unavailable.Is there some other way around this? Is it possible to provide someconnection string parameter, in the linked server setup, that wouldspecify the "READ UNCOMMITTED" isolation level for the linked server,so that DTC wouldn't be necessary.(In other words, can I tell SQL Server, "trust me, this won't hurt"?)Environment: SQL Server 2000 sp4The SQL does something like:declare @x char(4), @k int, @rc1 int, @rc2 intset @k=123BEGIN TRANselect @x=xfrom remoteserver.remotedatabase.dbo.tablewhere k=@kupdate localdatabase.dbo.table1set x=@xwhere k=@kset @rc1=@@errorupdate localdatabase.dbo.table2set x=@xwhere k=@kset @rc2=@@errorif (@rc1 = 0 AND @rc2=0) COMMIT TRANelse ROLLBACK TRAN
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