huge .BAK FILE

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huge .BAK FILE

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bluepaperbag

Posted Monday, January 28, 2008 10:16 PM

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I have a .bak file of 72gb. But my database size is only 32gb, I got this value from sp_spaceused?
Anyone know why the .bak file is so big?. Is it possible to reduce the size? How could i reduce it?

Post #448677

SQL ORACLE

Posted Tuesday, January 29, 2008 9:49 AM

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Most likely, your backup file contains a lot of information on logs. Did you have transactional backup after your full backup? Did you shrink your data and log files after your transactional backups?

Post #448972

bluepaperbag

Posted Wednesday, January 30, 2008 9:41 AM

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I fixed the proble. I had many headers on the .bak file. I needed WITH INIT.
I do only full backups nightly.

Post #449512

Lynn Pettis

Posted Wednesday, January 30, 2008 9:45 AM

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Just checking, what recovery model is your database using?

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Lynn Pettis

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Post #449514

bluepaperbag

Posted Thursday, January 31, 2008 6:42 AM

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Lynn,
Simple as we do only full backups.

Post #449912

Lynn Pettis

Posted Thursday, January 31, 2008 7:06 AM

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Just checking, as I have seen people just running full backups with the database using the Full recovery model.

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Lynn Pettis

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Post #449928

SQL ORACLE

Posted Thursday, January 31, 2008 9:35 AM

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If you would like to have full backup only, you should set the recovery mode to SIMPLE. Otherwise, your log file will keep increasing. Although this rate may not be high, it is not a right approach setting the mode to FULL while only having full backup.

Post #450034

Steve Jones - SSC Editor

Posted Thursday, January 31, 2008 10:24 AM

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Leave it as full
Add transaction log backups
Use INIT, do not pile backups on top of another in one file.

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Post #450076

J-440512

Posted Friday, February 01, 2008 7:04 AM

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If you are doing it from the console manager -> "all tasks" -> "backlup database" the "Overwrite" section has the following exclusive choices:
- Append to media
- Oerwrite existing media.

By default, the "Append to media" radio button is selected.

Post #450451

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