SMB 3 File Share with Transparent Failover

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SMB 3 File Share with Transparent Failover

Veeam Logoby WorkingHardInIt » Fri Feb 14, 2014 1:36 pm

Hi,

I'm testing in a 100% Windows Server 2012 R2 environment.It''s a 2 node Hyper-V cluster, the cluster also hosts the Backup & Replication VM. It also host an SMB3 file share that is clusterd and leverages transparent failover. This file share is used for a backup repository. I run a backup job and while data is being copied I failover the file share. If VEAAM leverages SMB 3.0 for the backup target repository it could survice such a failover. However it fails. So the question is does VEEAM leverage SMB3 to the repository or not? If yes, I'm not doing something right, if not, consider it a feature request :-). If this would be impossible, could you explain why?

So far I'm very impressed :-)

Thank you,

Didier
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby chrisdearden » Fri Feb 14, 2014 1:56 pm

Is the share registered in Veeam as an SMB3 share?
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby Gostev » Fri Feb 14, 2014 2:28 pm

Hi Didier, Chris is talking about this:
http://helpcenter.veeam.com/backup/70/hyperv/smb.html
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby WorkingHardInIt » Fri Feb 14, 2014 2:35 pm

Hi Chris & Gostev,

Thank you. But I think that's for virtual machines living on the SMB 3.0 share, a backup source. I'm talking about adding a file share as backup repository but instead of an "ordinary" file share an SMB transparent failover one. That means it's clusterd share and client running SMB 3.0X can survive a failover. If VEEAM leverages SMB 3.0 for that I was thinking we could leverage that, so I was experimenting in backing up to that SMB transparent failover share to see what happens.

Let me know if you need more information.

Didier
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby Gostev » Fri Feb 14, 2014 2:42 pm

If you have your backup infrastructure running on SMB3 capable Windows OS, then Veeam "should be using" SMB3. I have quoted that because our data movers are running on top of Windows OS and use standard file I/O API, and I believe Windows selects SMB3 protocol automatically if both OS and share supports it. Just as if you would initiate transfer from Windows Explorer (you never get to pick SMB protocol version there either, it just works).
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby WorkingHardInIt » Fri Feb 14, 2014 3:38 pm

Thanks, I'll be doing some more testing :-) Much obliged for the input.
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby WorkingHardInIt » Sat Feb 15, 2014 10:14 pm 1 person likes this post

Hi,

I still need to do some more testing but I can get it to work it seems. I will share if when I can and am sure.

Thx,

Didier
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Re: SMB 3 File Share with Transparent Failover

Veeam Logoby Gostev » Sun Feb 16, 2014 12:40 am

Thanks for the update!
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