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AshutoshTamhankar | 19 Mar 2009 | 0 comments

The backup of hyper-V guests via the hyper-V agent failed with the error:

Snapshot provider error (0xE0008516):Resources specified for snapshot do not have any valid data on them. Check if files were deleted or renamed.

 

From the error itself it appears that Backup Exec for Windows Servers Hyper-V Agent was not able to enumerate the backup selections.

 

And guess how the enumeration occurs? Over the VSS Hyper-V Writer!

 

So if the Hyper-V Writer is missing one would encounter backup failures similar to above. If the backup selections are browsed the hyper-V agent selections would not be populated.

There is a fix for the issue where the MS VSS Hyper-V Writer simply vanishes for instance after a backup job failure.

 

Check this out:

An update is available for Windows Server 2008-based computers to address issues with backing up and restoring Hyper-V virtual machines...

GFK | 12 Mar 2009 | 1 comment

Symantec recently carried out its annual IT Disaster Recovery survey of 1,000 or so IT managers across 15 countries. Now, there are a bunch of really interesting facts and it’s well worth a read, but the staggering revelation I think is that the number of applications that IT managers consider mission-critical has jumped 20% in the last year. We all know that apps like email have crept up on us and become really important to business over the last few years. But what I think is interesting is that at some point in the last 10 years IT has ceased to support the business and become the business! What do I mean - if the lights go out the business stops. The IT Disaster Recovery survey shows that on average 56% of applications are now considered mission-critical. Such a rapid increase may well pose considerable difficulties for, not just high availability but things we take for granted like Backup.

This is particularly true for those organisations who have implemented...