Discussions specific to the Microsoft Hyper-V hypervisor
Vitaliy S.
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Re: Hyper-V Server 2012 R2 with SMB/CIFS

Post by Vitaliy S. » Mar 21, 2016 9:11 am

alexc wrote:About the backup proxy, If I install the VSS writer to backup proxy, then I don't need to install the VSS writer to Hyper-V host, is it correct?
In your case Hyper-V host is acting as on-host proxy server, so when you install hardware VSS provider for NetApp device, you will be all set. Alternatively, you can use CSV and software VSS provider (coming from Microsoft).

afdark
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[MERGED] Off-host backup SMB shares

Post by afdark » Nov 13, 2017 6:31 am

Hi!
I have vhdx files located on SMB share. Virtual machine located on same server. Which VSS provider i need to use for off-host backup?
By default i see only Microsoft Software Shadow Copy provider 1.0. After adding key UIShowAllVssProvidersForVolume in registry became visible Microsoft iSCSI Target VSS Hardware Provider and Microsoft File Share Shadow Copy provider.

DGrinev
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Re: Off-host backup SMB shares

Post by DGrinev » Nov 13, 2017 8:38 am

Hi Alex and welcome to the community!

You need to install a VSS provider from the storage vendor.
Please review this thread for additional information. Thanks!

afdark
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Re: Hyper-V Server 2012 R2 with SMB/CIFS

Post by afdark » Nov 13, 2017 8:50 am

DGrinev, thanks for greeting!
If i use stand-alone rack-mount server with external(discerte) controller then i don't use off-host backup? Because engineers of vendors tell me - VSS hardware provider applies only to SAN devices.

DGrinev
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Re: Hyper-V Server 2012 R2 with SMB/CIFS

Post by DGrinev » Nov 13, 2017 12:28 pm 1 person likes this post

Yes, your hypervisor and the off-host should be connected via SAN to the shared storage.
Please check the following prerequisites in the User Guide. Thanks!

nmdange
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Re: [MERGED] Off-host backup SMB shares

Post by nmdange » Nov 13, 2017 3:47 pm

afdark wrote:Hi!
I have vhdx files located on SMB share. Virtual machine located on same server. Which VSS provider i need to use for off-host backup?
By default i see only Microsoft Software Shadow Copy provider 1.0. After adding key UIShowAllVssProvidersForVolume in registry became visible Microsoft iSCSI Target VSS Hardware Provider and Microsoft File Share Shadow Copy provider.
You can use the default VSS provider with SMB shares. You just need to install the "File Server VSS Agent Service" feature on your Scale-Out File Server cluster nodes. Your off-host backup proxy should be a Hyper-V host with access to the SMB shares.

Here's the relevant documentation https://helpcenter.veeam.com/docs/backu ... tml?ver=95

Edit:
And some more detailed information from Microsoft
https://blogs.technet.microsoft.com/cla ... le-shares/
https://technet.microsoft.com/en-us/lib ... s.11).aspx

afdark
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Re: [MERGED] Off-host backup SMB shares

Post by afdark » Nov 14, 2017 9:26 am

If i use Microsoft Software Shadow Copy provider 1.0 i see error - Unable to allocate processing resources. Error: There is no hardware provider for off-host backup detected. Snapshot failover is disabled.
File Server VSS Agent install. In folder permission window on security tab i added AD computer login off-host backup proxy. Receive same error.

nmdange
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Re: Hyper-V Server 2012 R2 with SMB/CIFS

Post by nmdange » Nov 14, 2017 2:52 pm

In your backup infrastructure in Veeam, did you add your File Server cluster nodes to the SMB3 section?

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