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two Backup of a database at same time


two Backup of a database at same time

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Zeal-DBA
Zeal-DBA
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hello experts,
just want to know, if backup is happening for a database and one scheduled job also triggered for the backup of same database at same path with same name. what will happen ??
Bhuvnesh
Bhuvnesh
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Both will go smoothly as sql server will start them sequentialy though there will be IO usage (might be contention if the disk is slow)

-------Bhuvnesh----------
I work only to learn Sql Server...though my company pays me for getting their stuff done;-)
Orlando Colamatteo
Orlando Colamatteo
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Zeal-DBA (1/22/2013)
hello experts,
just want to know, if backup is happening for a database and one scheduled job also triggered for the backup of same database at same path with same name. what will happen ??



It's just like anything else, two processes cannot write to the same file at the same time. The second backup operation will fail.

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anthony.green
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You get the below error on the second backup


Msg 3023, Level 16, State 2, Line 1
Backup, file manipulation operations (such as ALTER DATABASE ADD FILE) and encryption changes on a database must be serialized. Reissue the statement after the current backup or file manipulation operation is completed.
Msg 3204, Level 16, State 1, Line 1
The backup or restore was aborted.
Msg 3013, Level 16, State 1, Line 1
BACKUP DATABASE is terminating abnormally.





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Bhuvnesh
Bhuvnesh
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Zeal-DBA (1/22/2013)
just want to know, if backup is happening for a database and one scheduled job also triggered for the backup of same database at same path with same name. what will happen ??
ohh i missed the same name condition , i will go with OPC here

-------Bhuvnesh----------
I work only to learn Sql Server...though my company pays me for getting their stuff done;-)
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