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Where is the temp VSS storage

Created: 05 Jun 2013 | 2 comments
Chris_W's picture


We have a windows 2008 client that has a couple huge idb files (42GB each) under D:\

When the FS backup runs we get an error in event viewer "The shadow copies of volume D: were aborted because the shadow copy storage could not grow due to a user imposed limit."

Subsequently the job fails with a status 156. Even if I exclude all idb files this error happens. 

So what I want to know is where does shadow copy put these files while its snapping them? And how can we increase the space? Does it move the entire 42GB file to the temp shadow copy space, or in chunks?


Operating Systems:

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RamNagalla's picture


please see the below 2 T/N for your reference

you can always set the snaphost size to no limit, and also change the location of snaphost if you dont have enough space.

global shapshot also possible  

above technote will expline detail

Nicolai's picture

Command line option:

Please note you can have the snapshot cache of D on another drive like E

Exclude will not work because VSS is "copy on write" operation. If the file is present and changed it will use space with in the VSS snap.


Assumption is the mother of all mess ups.

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