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SQL server hangs after nightly maintainence and backup

Posted on 2007-11-27
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Last Modified: 2008-02-04
Hello all
Until recently there were no problems with my companys' SQL server, however lately the services have hung during the night. The backup and maintainence routines are unchanged. Daily maintainence backs up the database's and backup exec does it's job during the night. The application log lists the hang as an EXCEPTION_ACCESS_VIOLATION and I can not get much out of the MSSQL log either only that the maintainence completes and that the exception is caught. No service packs have been applied.

Cheers
Martin
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Question by:wyndehamimpact
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by:lcit
ID: 20357754
Are you doing a full or incremental backup?  Are you using the SQL server agent for Backup Exec?
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Expert Comment

by:SQL_SERVER_DBA
ID: 20358127
select * from master..sysprocesses

look to see what happened prior to hanging
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Author Comment

by:wyndehamimpact
ID: 20358316
Using Back up exec SQL agent

As far as I can see master.sysprocesses only has records since the restart of the MSSQL SERVER and SQLSERVERAGENT.


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Author Comment

by:wyndehamimpact
ID: 20364038
Full backup
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Author Comment

by:wyndehamimpact
ID: 20372746
Ok, so the SQL server crash happens about 15mins after maintainence optimisation is scheduled to start. Deactivating the optimisation, so far, has stopped the problem.
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Accepted Solution

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wyndehamimpact earned 0 total points
ID: 20584277
Found the problem. Backup exec was using the SQL server as it's database server. Moved Backup exec database to local MSDE and problem fixed. Incidently default time for Backup exec to maintain the BE database is 4:00am which corrosponded with most of the times the SQL exception was generated, with the exception of those times when the back up ran over.
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Expert Comment

by:AnnieMod
ID: 20813221
PAQ'd and 500 points refunded

AnnieMod
Cleanup Admin
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Control application downtime with dependency maps

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