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SQL Server 2005
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Administering
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DB in suspect mode
DB in suspect mode
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beejug1983
beejug1983
Posted Tuesday, June 15, 2010 8:24 AM
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What internally happens if db goes in suspect mode ?
Post #937549
GilaMonster
GilaMonster
Posted Tuesday, June 15, 2010 8:31 AM
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SQL sets the database state to suspect (in sys.databases) and prevents anyone from accessing or querying the DB.
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #937560
beejug1983
beejug1983
Posted Tuesday, June 15, 2010 9:14 AM
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I meant exactly what happens that causes suspect mode to db?
Post #937603
SanjayAttray
SanjayAttray
Posted Tuesday, June 15, 2010 9:31 AM
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many reasons, mainly :
1. Missing device causes database to be marked suspect.
2. Disk out of space and no space to expand log file.
3. If one or more database files are not available.
4.If the entire database is not available.
5.If one or more database files are corrupted.
6.If a database resource is being held by the operating system.
and could be many more reasons. I could not recollect.
SQL DBA.
Post #937619
Animal Magic
Animal Magic
Posted Tuesday, June 15, 2010 9:41 AM
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Check your sql error logs. There should be some messages that relate to that database being marked as suspect. Dont do anything until you have done this
Post #937631
GilaMonster
GilaMonster
Posted Tuesday, June 15, 2010 10:55 AM
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1. Missing device causes database to be marked suspect.
Won't cause suspect, can cause recovery_pending
2. Disk out of space and no space to expand log file.
Will not cause a database to go suspect. Read-only at worst.
3. If one or more database files are not available.
4.If the entire database is not available.
Won't cause suspect, can cause recovery_pending
5.If one or more database files are corrupted.
Will only result in the db going suspect if that corruption is encountered during a rollback/rollforward operation.
6.If a database resource is being held by the operating system.
Won't cause suspect, can cause recovery_pending
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #937694
GilaMonster
GilaMonster
Posted Tuesday, June 15, 2010 10:57 AM
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beejug1983 (6/15/2010)
I meant exactly what happens that causes suspect mode to db?
SQL will mark a database suspect if and only if corruption (data file or log file) is encountered during a transaction rollback or during restart-recovery when bringing a database online.
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #937699
kapfundestanley
kapfundestanley
Posted Wednesday, February 20, 2013 9:43 AM
Right there with Babe
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Last Login: 2 days ago @ 1:47 AM
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Thank you a lot.
“When I hear somebody sigh, ‘Life is hard,’ I am always tempted to ask, ‘Compared to what?’” - Sydney Harris
Post #1422159
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