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Do I need GRT enabled to perform differential backup of Hyper-V Virtual Machine ?

Created: 12 Jun 2012 • Updated: 14 Jun 2012 | 5 comments
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I wasn't able to find a clear answer anywhere and we are currently running Backup Exec 2010 so I cannot test this for myself.

I am not interrested in GRT backups, my backups are full images without the possibility to restore single items from the image. 
(Sure, it could be great but the trade-off in longer backup jobs is a no-go)

That brings me to the questions,
a) with GRT disabled, will Backup Exec 2012 (or newer versions) be able to perform differential backup of a Hyper-V Virtual Machine image ? 
b) if yes, how will it affect backup job length ?

 

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pkh's picture

a) Unlike BE 2010, BE 2012 is able to perform differential backups of Hyper-V VM's

Sagar Walambe's picture

Here is the technote for What's new in Backup Exec 2012 Agent for Microsoft Hyper-V agent option.

http://www.symantec.com/docs/TECH179363

Hope this will help!

 

 

oskaremil's picture

Thank you, but neither really answered my question ; is GRT required to perform a differential backup for HyperV VMs?

Sush...'s picture

a) with GRT disabled, will Backup Exec 2012 (or newer versions) be able to perform differential backup of a Hyper-V Virtual Machine image ? 

--> Yes. Even when GRT option is disabled you should be able to take Differential backups of Hyper-V Virtual Machines. Its not necessary that GRT needs to be enabled.

b) if yes, how will it affect backup job length ?

--> This will surely reduce the time taken for backups as the time taken to collect the Meta-Data for GRT backups will now not be required. It may not affect in high number but overall it will surely reduce the time.

 

Thanks,

-Sush...

Hope this piece of Information Helps you... and if it does then mark this response as Solution....!!!

SOLUTION
AshwinApte's picture

No, GRT is not required for performing differential backups of Hyper-V.