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MS SQL 2000 Backups, Maintenance Plans, Flushing Logs

Posted on 2010-01-11
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I have a production ERP server that hosts a large MS SQL database 140GB.
My backup job schedule runs as follows:

Daily @ 13:00: Maintenance plan - Flat file transaction log file backup
Daily @ 19:00: Maintenance plan - Flat file full database file backup
Daily @ 21:00: Backupexec 11d  - Full Database backup with remote agent

The daily transaction log backups for the ERP database are less than 1GB in size, yet the transaction log has somehow accumulated to 70GB in size. I ran a DBCC shrinkfile script on the database and transaction log file that brought the transaction log file down to 40GB, but I'm guessing that it should be much smaller.

Any ideas on what's keeping the log file so big, and why it's not flushing more out of the log with my current bakup strategy?

And any idea what I should do improve my backup strategy for this database?
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Question by:itfocus
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Accepted Solution

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Aneesh Retnakaran earned 1500 total points
ID: 26284981
>Daily @ 13:00: Maintenance plan - Flat file transaction log file backup
scheduke the TL backup more frequently, at lease once in an hour

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Author Comment

by:itfocus
ID: 26291899
As the transaction log is currently 40Gb in size, and when I already run 1 log backup per day, how will running multiple log backups every day help reduce the size of the actual transaction log?
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Author Comment

by:itfocus
ID: 26359702
As far I can tell, running multiple transaction logs a day won't actually decrease the size of a transaction log file - Only a DBCC Shrink will do this...
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Author Closing Comment

by:itfocus
ID: 31675564
As the solution did not actually resolve my issue of decreasing the size of the transaction log, but it did suggest a more efficient way of improving the actual backups.
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