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Database Snapshot
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Database Snapshot
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abmore
abmore
Posted Wednesday, July 28, 2010 10:10 PM
Ten Centuries
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Comments posted to this topic are about the item
Database Snapshot
Post #960460
SQLRNNR
SQLRNNR
Posted Wednesday, July 28, 2010 10:12 PM
SSCoach
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Interesting question. My first inclination was to answer no. Then I read this documentation that said that backups and restores are supported with snapshots in 2008 R2.
http://msdn.microsoft.com/en-us/library/ms189548.aspx
Jason
AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server 2008
SQL RNNR
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Post #960461
UMG Developer
UMG Developer
Posted Wednesday, July 28, 2010 10:26 PM
SSCrazy
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Jason,
What you looked at was "Snapshot Backups", not "Database Snapshots."
I think these are the ones he was talking about: http://msdn.microsoft.com/en-us/library/ms189940.aspx (Native standard features that don't require third party stuff.)
Interesting question, with the reference to 2008 R2 I thought maybe something changed and backups would be allowed, but I was positive that you couldn't restore a snapshot, as they are read-only.
Post #960467
SQLRNNR
SQLRNNR
Posted Wednesday, July 28, 2010 10:31 PM
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That makes sense. Thanks for the correction.
Jason
AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server 2008
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Posting Data Etiquette - Jeff Moden
Hidden RBAR - Jeff Moden
VLFs and the Tran Log - Kimberly Tripp
Post #960469
SQL Writer
SQL Writer
Posted Thursday, July 29, 2010 1:39 AM
Say Hey Kid
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SQL Server does not support online restore from a snapshot backup. Restoring a snapshot backup automatically takes the database offline.
For more info visit url
http://msdn.microsoft.com/en-us/library/ms189548.aspx
Post #960530
Stewart "Arturius" Campbell
Stewart "Arturius" Campbell
Posted Thursday, July 29, 2010 1:57 AM
Hall of Fame
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Interesting question.
Had to make sure of my facts before answering (just in case something changed with R2)
____________________________________________
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Post #960534
Daniel Bowlin
Daniel Bowlin
Posted Thursday, July 29, 2010 6:49 AM
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Interesting question. Understanding the exact question is important. I think I need to read a little more.
Post #960658
Steve Jones - SSC Editor
Steve Jones - SSC Editor
Posted Thursday, July 29, 2010 10:03 AM
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This is confusing, mainly because MS is reusing terms in a new way. I wish they had called this something else.
Follow me on Twitter:
@way0utwest
Forum Etiquette: How to post data/code on a forum to get the best help
Post #960847
pjdiller
pjdiller
Posted Thursday, July 29, 2010 1:43 PM
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I know that databases can be restored from existing snapshots:
RESTORE DATABASE database_name
FROM DATABASE_SNAPSHOT = database_snapshot_name
I figured the question referred to this, but it must not have... and I was hoping R2 would let you backup an existing snapshot. Guess not?
Post #960988
Steve Jones - SSC Editor
Steve Jones - SSC Editor
Posted Thursday, July 29, 2010 2:03 PM
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Last Login: Yesterday @ 1:47 PM
Points: 31,406,
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You can restore FROM a snapshot, but you cannot restore A snapshot.
The backup would seem to be trivial. Read pages from snapshot or source db, write to disk.
Hmmm, a suggestions. Please vote:
https://connect.microsoft.com/SQLServer/feedback/details/581168/allow-backup-of-database-snapshot
Follow me on Twitter:
@way0utwest
Forum Etiquette: How to post data/code on a forum to get the best help
Post #961001
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