exchange 2010

we have exchange DAG servers having databases  on different volumes

lately full back up is failing (VSS failures) unable to access snap shot and delete it

also incremental is successful bur full back up done once a week is failing.

where should I check the VSS volume , on c drive of each exchange server who is member of DAG or volumes drives where databases are there,

where do I need to check VSS configuration
pramod1Asked:
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viktor grantExchange ServersCommented:
Hi Pramod,

Could you check with the following command:

vssadmin list writers

Could you copy and paste the results?

Cheers
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Tom CieslikIT EngineerCommented:
Double check available disk space on C drive and drive where your database is stored.
Most of VSS errors are coming because of not enough space for snapshot.

vssadmin list writers should tell you about what driver is falling.
You can also post error message with error number here, it would help diagnose.
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pramod1Author Commented:
vss  admin list writers shows no errors,(Double check available disk space on C drive and drive where your database is stored.
 Most of VSS errors are coming because of not enough space for snapshot.) what should be the space required is it 320 mb free?
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Tom CieslikIT EngineerCommented:
How big your database is ?
For volumes less than 500 megabytes, the minimum is 50 megabytes of free space. For volumes more than 500 megabytes, the minimum is 320 megabytes of free space. It is recommended that least 1 gigabyte of free disk space on each volume if the volume size is more than 1 gigabyte.
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pramod1Author Commented:
you mean for vss
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pramod1Author Commented:
where can I check the vss configuration on each volume whether it 320 mb of free space , I am kind of confused as full backups are failing and incremental backups are ok
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pramod1Author Commented:
is it vss space or disk space
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viktor grantExchange ServersCommented:
Hi Pramod,

Could you run the following command:

vssadmin list writers

Please share the results.

Cheers
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pramod1Author Commented:
I have ran that command, there is no error reported, all I need to know where should I check the vss space
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