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Annoyed with TDP SQL differential backups failing because no full backup exists?

Discussion in 'TSM Operation' started by collinsk, Sep 30, 2011.

  1. collinsk

    collinsk New Member

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    Sep 30, 2011
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    Ever been annoyed because your scheduled TDP SQL differential backup fails because someone has added a new database and not taken a full backup?

    After extensive searching I was unable to find anyone who had documented a solution so I took to writing a script to check if a full backup of a database exists before taking a differential backup. Turns out the scripting was relatively straight forward.

    Below is a copy of the script I now use for scheduled differential backups. Hope some of you find it of use.


    REM Set Environment Variables
    set sql_dir=C:\Progra~1\Tivoli\TSM\TDPSql
    set sql_log=C:\Progra~1\Tivoli\TSM\logs\sql
    set backupcheck="C:\Progra~1\Tivoli\TSM\TDPSql\check.txt"

    REM Write Date & Time To Log File
    echo %date% %time% >> %sql_log%\sqlsched.log

    REM Output Databases With No Backups
    sqlcmd -E -S %computername% -d master -Q "SET NOCOUNT ON SELECT master.dbo.sysdatabases.NAME AS database_name, NULL AS [Last Data Backup Date], 9999 AS [Backup Age (Hours)] FROM master.dbo.sysdatabases LEFT JOIN msdb.dbo.backupset ON master.dbo.sysdatabases.name = msdb.dbo.backupset.database_name WHERE msdb.dbo.backupset.database_name IS NULL AND master.dbo.sysdatabases.name <> 'tempdb' ORDER BY msdb.dbo.backupset.database_name" -h-1 >%backupcheck%

    REM Backup Databases With No Backups
    for /f "tokens=1" %%i in ('type %backupcheck%') do %sql_dir%\tdpsqlc backup %%i FULL /tsmoptfile=%sql_dir%\dsm.opt /logfile=%sql_log%\sqlfull.log >> %sql_log%\sqlsched.log

    REM Diff Backup Of All Databases
    %sql_dir%\tdpsqlc backup * diff /tsmoptfile=%sql_dir%\dsm.opt /logfile=%sql_log%\sqldiff.log >> %sql_log%\sqlsched.log
     
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