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SQL 2008 Backup Removal

Posted on 2013-01-31
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Last Modified: 2013-04-12
SQL 2008

Is there a way I can delete old backups stored on my local hard drive.

I currently have a folder on the server that I backup to.   I then back this folder up over night.
I want to have say a weeks worth of the backup files on the hard drive and then remove anything over 7 days.

Any advise?
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Question by:Bransby-IT
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LVL 18

Expert Comment

by:UnifiedIS
ID: 38840557
You can add a cleanup task to your maintenance plan that will delete old backups
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Expert Comment

by:lcohan
ID: 38840711
--The code below does just that and all you need is to addapt it to your folder/file names. I suggest use the PRINT commands until you get exactly what you need.

--delete old weeky bkps

---check if zip file exists on C:\SQL_BACKUP then delete old files from G:
set nocount on
declare @crtdate varchar(255)
declare @sqlcmd varchar(4000)

set  @crtdate = CAST(YEAR(getdate()) AS VARCHAR(4))+ '_' +
case when MONTH(getdate()) < 10
      then '0'+CAST(MONTH(getdate()) AS VARCHAR(2))
      else CAST(MONTH(getdate()) AS VARCHAR(2))
end + '_' +
case when DAY(getdate()) < 10
      then '0'+CAST(DAY(getdate()) AS VARCHAR(2))
      else CAST(DAY(getdate()) AS VARCHAR(2))
end
--print @crtdate

--test command
--set @sqlcmd = 'EXEC xp_cmdshell ''dir "C:\SQL_BACKUP\SQL_BACKUP_'+@crtdate+'.zip"'''
--print (@sqlcmd)

create table #t (c1 text)
set @sqlcmd = 'insert into #t exec xp_cmdshell ''dir I:\SQL_BACKUP\SQL_BACKUP_'+@crtdate+'.zip'''
--print (@sqlcmd)
exec (@sqlcmd)
--select * from #t
--select * from #t where c1 like '%.zip'

if exists (select * from #t where c1 like '%.zip')
begin
      -- delete all old backup files from G:\sql_backup directory
      declare @source varchar(255)

      set @source = '*_backup_' + CAST(YEAR(getdate()-7) AS VARCHAR(4))+ '_' +
      case when MONTH(getdate()-7) < 10
            then '0'+CAST(MONTH(getdate()-7) AS VARCHAR(2))
            else CAST(MONTH(getdate()-7) AS VARCHAR(2))
      end + '_' +
      case when DAY(getdate()-7) < 10
            then '0'+CAST(DAY(getdate()-7) AS VARCHAR(2))
            else CAST(DAY(getdate()-7) AS VARCHAR(2))
      end
      +'*.bak'''

      --test command
      set @sqlcmd = 'EXEC xp_cmdshell ''dir G:\SQL_BACKUP\'+@source
      exec (@sqlcmd)
      --print @sqlcmd
            
      set @sqlcmd = 'EXEC xp_cmdshell ''del G:\SQL_BACKUP\'+@source
      exec (@sqlcmd)
      --print @sqlcmd

end
drop table #t

GO
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Author Comment

by:Bransby-IT
ID: 38843628
HI Team

I thought the Clean up would not actualy remove old backup files?

Also I cant make heads of the script lol, this is what I would like to do.

2 x Backup Locations

E:\SQL2008\Access_Backups\Backup_SQL_Database_1300Hrs
E:\SQL2008\Access_Backups\Backup_SQL_Database_1800Hrs
All backup files are in there own sub folder

Filenames

.bak

want to keep backups for 7 days
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Accepted Solution

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UnifiedIS earned 500 total points
ID: 38843687
backup-cleanup.docx
I have mine set for 2 weeks, see the attachment.  It is definitely deleting the old .bak files
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LVL 3

Author Comment

by:Bransby-IT
ID: 38913489
Thanks will look at this this afternon.
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