Hello Friends,
I have installed TFS 2015 Update 3 in the month of September 2016, it was working fine all these days. now suddenly i am seeing abnormal behaviour, below are my findings.
1. TFS Scheduled Backup is getting Failed with below error message
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[20/12/2016 02:48:50] [Info] Starting transaction log backups[20/12/2016 02:48:50] [Info] Database Tfs_DefaultCollection parent set is 9859549799213580231
[20/12/2016 02:48:50] [Info] Starting transaction log backup. Server:IRIZIDBLRFILSVR\MSSQLSERVER_TFS, Database:Tfs_DefaultCollection Filename:\\IRIZIDSVR\Team_Shared\Daily TFS Backup\20161208_TFS\Tfs_DefaultCollection_9859550026162818232L.trn
[20/12/2016 02:48:50] [Info] BACKUP LOG [Tfs_DefaultCollection] TO DISK = N'\\IRIZIDSVR\Team_Shared\Daily TFS Backup\20161208_TFS\Tfs_DefaultCollection_9859550026162818232L.trn' WITH NOFORMAT, NOINIT, NOSKIP, REWIND, NOUNLOAD, STATS = 10
[20/12/2016 02:48:50] [Error]
Exception Message: BACKUP LOG cannot be performed because there is no current database backup.
BACKUP LOG is terminating abnormally. (type SqlException)
SQL Exception Class: 16
SQL Exception Number: 4214
SQL Exception Procedure:
SQL Exception Line Number: 1
SQL Exception Server: IRIZIDBLRFILSVR\MSSQLSERVER_TFS
SQL Exception State: 1
SQL Error(s):
SQL Error[1]: System.Data.SqlClient.SqlError: BACKUP LOG is terminating abnormally.
Class: 16
Number: 3013
Server: IRIZIDBLRFILSVR\MSSQLSERVER_TFS
Source: .Net SqlClient Data Provider
State: 1
Procedure:
Line Number: 1
Exception Data Dictionary:
HelpLink.ProdName = Microsoft SQL Server
HelpLink.EvtSrc = MSSQLServer
HelpLink.EvtID = 4214
HelpLink.BaseHelpUrl = http://go.microsoft.com/fwlink
HelpLink.LinkId = 20476
Exception Stack Trace: at Microsoft.VisualStudio.Services.Configuration.SqlDatabaseBackupRestoreComponent.Execute(String sqlStatement)
at Microsoft.VisualStudio.Services.Configuration.SqlDatabaseBackup.Backup(ISqlConnectionInfo connectionInfo)
at Microsoft.TeamFoundation.Admin.Jobs.DatabaseBackupJob.TakeTransactionalBackupOfSingleDatabase(IVssRequestContext requestContext, String dataSource, String databaseName, String logFileName, ITFLogger logger)
at Microsoft.TeamFoundation.Admin.Jobs.DatabaseBackupJob.TakeTransactionalBackups(IVssRequestContext requestContext, BackupSettings settings, ITFLogger logger)
[20/12/2016 02:48:50] [Info] Database Tfs_Configuration parent set is 9859550026052300425
[20/12/2016 02:48:50] [Info] Starting transaction log backup. Server:IRIZIDBLRFILSVR\MSSQLSERVER_TFS, Database:Tfs_Configuration Filename:\\IRIZIDSVR\Team_Shared\Daily TFS Backup\20161208_TFS\Tfs_Configuration_9859550026162818232L.trn
[20/12/2016 02:48:50] [Info] BACKUP LOG [Tfs_Configuration] TO DISK = N'\\IRIZIDSVR\Team_Shared\Daily TFS Backup\20161208_TFS\Tfs_Configuration_9859550026162818232L.trn' WITH NOFORMAT, NOINIT, NOSKIP, REWIND, NOUNLOAD, STATS = 10
[20/12/2016 02:49:00] [Error]
Exception Message: Read on "C:\Program Files (x86)\Microsoft SQL Server\MSSQL11.MSSQLSERVER_TFS\MSSQL\DATA\Tfs_Configuration_log.ldf" failed: 23(Data error (cyclic redundancy check).)
BACKUP LOG is terminating abnormally. (type SqlException)
SQL Exception Class: 16
SQL Exception Number: 3203
SQL Exception Procedure:
SQL Exception Line Number: 1
SQL Exception Server: IRIZIDBLRFILSVR\MSSQLSERVER_TFS
SQL Exception State: 1
SQL Error(s):
SQL Error[1]: System.Data.SqlClient.SqlError: BACKUP LOG is terminating abnormally.
Class: 16
Number: 3013
Server: IRIZIDBLRFILSVR\MSSQLSERVER_TFS
Source: .Net SqlClient Data Provider
State: 1
Procedure:
Line Number: 1
Exception Data Dictionary:
HelpLink.ProdName = Microsoft SQL Server
HelpLink.EvtSrc = MSSQLServer
HelpLink.EvtID = 3203
HelpLink.BaseHelpUrl = http://go.microsoft.com/fwlink
HelpLink.LinkId = 20476
Exception Stack Trace: at Microsoft.VisualStudio.Services.Configuration.SqlDatabaseBackupRestoreComponent.Execute(String sqlStatement)
at Microsoft.VisualStudio.Services.Configuration.SqlDatabaseBackup.Backup(ISqlConnectionInfo connectionInfo)
at Microsoft.TeamFoundation.Admin.Jobs.DatabaseBackupJob.TakeTransactionalBackupOfSingleDatabase(IVssRequestContext requestContext, String dataSource, String databaseName, String logFileName, ITFLogger logger)
at Microsoft.TeamFoundation.Admin.Jobs.DatabaseBackupJob.TakeTransactionalBackups(IVssRequestContext requestContext, BackupSettings settings, ITFLogger logger)
[20/12/2016 02:49:00] [Info] Finished Transaction log backup set 9859550026162
[Info @08:19:04.708] Completed TakeFullBackup: Error
[Info @08:19:04.708] -----------------------------------------------------
[Info @08:19:04.708] Execution results:
[Info @08:19:04.709] Overall result: Failure
[Info @08:19:04.709] Nodes completed: 3
[Info @08:19:04.709] Nodes succeeded: 2
[Info @08:19:04.709] Nodes skipped: 0
[Info @08:19:04.709] Nodes with errors: 1
[Info @08:19:04.709] Nodes with warnings: 0
[Info @08:19:04.709] Number of error messages: 1
[Info @08:19:04.709] Number of warning messages: 0
[Info @08:19:04.709] Number of info messages: 0
[Error @08:19:04.713] Activity failed.
[Info @08:19:04.713] Activity failed and there is no handling of the failure such as rollback
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2. Code Checkin and Checkout is working fine from dev tool Visual Studio
3. No able to access TFS Portal from browser, getting "TF400898: An Internal Error Occurred." if tried to open the portal
4. If tried to take DB Backup manually from SQL Server then getting "Backup 23(Data error (cyclic redundancy check).) (Microsoft.SqlServer.Smo)" Error for database Tfs_DefaultCollection.
Please help me in resolving these issues
Thanks and Regards