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Shadow Copy Client Not Showing all Previous Versions

Posted on 2011-03-18
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Last Modified: 2012-05-11
I have a 2k3 server with a Shadow Copy protected volume; I have been monitoring it closely due to it not running smoothly recently.

Previously it was not using all the available storage to create as many snapshots as I would like.  I was thinking I may have resolved it... but now I'm not so sure.

The problem is that there are many shadow copies of the volume, but when I try to access any recent shadow copies (via the 'previous versions' tab), I am only seeing nine of the fourteen shadow copies that exist... the 5 that are missing are all the most recent snapshots.  

I know that the shadow copies ought to be there because they are listed within the "Shadow Copies" tab on the server - the 5 missing snapshots are listed as being created at the correct time, and there are no errors in the logs.  Furthermore, running a 'vssadmin list shadows' lists all 14 shadow copies with a unique GUID, and by running 'vssadmin list shadowstorage' I know that the 'Allocated Shadow Copy Storage' has grown to hold 14 snapshots. (Yes I have been monitoring it that closely).  Yet... from any client I am only seeing 9 snapshots.

Any ideas?
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Question by:bllarson
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Expert Comment

by:Jared Luker
ID: 35351731
This is a basic question, but since no one else has said anything...

Are you checking the previous versions tab of a particular file?  If the file has not changed, then it would not show up with a previous version.

If you are checking in that manner, then you need to make sure that it's a file that changes regularly between snapshots.  To be 100% sure, you could create a text file, and make a small change to it in between shadow copies.  That way, you should be able to look at the previous version of the text file and see all the times it's changed.
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Accepted Solution

by:
bllarson earned 0 total points
ID: 35493480
This issue was related to how MS DPM 2010 interacts with the local Shadow Copy Service.

I had to take MS DPM 2010 out of the equation, and which point the local VSS service started working according to expectation.
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Author Closing Comment

by:bllarson
ID: 35687930
The issue was resolved. Prior input was not relevant.
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