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 Backup related configs
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shiyam198
Yak Posting Veteran

94 Posts

Posted - 10/10/2013 :  12:20:01  Show Profile  Reply with Quote
Hi,

I am having issues with backup jobs. I have a job that runs and backup all the online databases (around 25 database ranges from 3 TB to 10 MB in size).

When these databases were in different servers, the FULL backups worked fine.
But after we consolidated the databases to one server, the backup job is skipping some database backups. No errors logged any where, but those databases don't exist in the destination folder.

The differentials backups are working fine but the monthly and weekly FULL backup jobs that is skipping some databases. It looks like there is a time out or some bottleneck that creates this situation.

I did sp_configure on one of the old servers and here are some configs that are different. could any of those cause this issue?


NEW SERVER:
name	minimum	maximum	config_value	run_value
Ad Hoc Distributed Queries	0	1	1	1
awe enabled	0	1	0 	0
max server memory (MB)	16	2147483647	286720	286720
min server memory (MB)	0	2147483647	0	0

OLD SERVER:
Ad Hoc Distributed Queries	0	1	0	0
awe enabled	0	1	1	0
max server memory (MB)	16	2147483647	2147483647	2147483647
min server memory (MB)	0	2147483647	0	16


this is quite related to this question I posted. If you need more details, you can see here.

http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=188588

Regards,
Shiyam

Bustaz Kool
Flowing Fount of Yak Knowledge

USA
1600 Posts

Posted - 10/11/2013 :  19:24:39  Show Profile  Reply with Quote
1) Is there room at the destination for every backup file?
2) Are you logging any information during the process, such as what database is currently being backed up? where is it being backed up to?)
3) Does your job loop through the databases or do you make explicit invocations of BACKUP DATABASE for each database of interest?
4) If the differentials are fine, doesn't that indicate that the FULL backup is fine, also? (somehow?)
5) Would it be possible to see the actual job script? (If the logic is in a stored procedure, can we see the sproc code?)

=================================================
No, no, you're not thinking, you're just being logical. -Niels Bohr
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