Backing up a Windows Failover Cluster with Shared vhdx?

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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby spgsit5upport » Tue Dec 27, 2016 5:39 pm

So if replication is NOT supported then what is the point? Another technology that simply does NOT deliver? (never will or MS just did not manage on time?)
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Vitaliy S. » Tue Dec 27, 2016 7:40 pm

Do not know MS plans, but yes, this is not supported. On a side note, if replication was possible in Veeam, would you want to store target VM in the same format or would rather have a VM replica but with a regular disk format?
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby nmdange » Wed Dec 28, 2016 2:17 am

spgsit5upport wrote:So if replication is NOT supported then what is the point? Another technology that simply does NOT deliver? (never will or MS just did not manage on time?)


Veeam Replication may not support it, but you can use native Hyper-V Replica.
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby spgsit5upport » Wed Dec 28, 2016 9:17 am

@nmdange, say who? You because you tried it & it works or you because you read it somewhere?

Obviously it does NOT work as reported here
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby spgsit5upport » Wed Dec 28, 2016 9:18 am

Vitaliy S. wrote:Do not know MS plans, but yes, this is not supported. On a side note, if replication was possible in Veeam, would you want to store target VM in the same format or would rather have a VM replica but with a regular disk format?


Same format please. No reason (that I can think of) to change it
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Vitaliy S. » Wed Dec 28, 2016 11:33 am

Ok, the reason why I suggested this is that since checkpoints cannot be created for these disks via UI, then restore points for VM replica are also not possible, however if target VM had disks with other format, then we would be one step closer to having replication feature for these VMs (sort of a workaround for MS limitation) .
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby spgsit5upport » Wed Dec 28, 2016 2:42 pm

But that would make it difficult for DR

For proper (as quick as possible) DR one would want replication to happen (as scheduled if/when)
So at DR site I always have a defined working copy of VMs, that can be switched on & working on as nothing hapened.

At which point format does NOT matter.

But once the conditions return to normal, I want to bring back the changes from DR site back to main site (and carry on working)

If the format is different, then it would be long process (correct me if I am wrong)

Seb
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Vitaliy S. » Wed Dec 28, 2016 4:52 pm

spgsit5upport wrote:But once the conditions return to normal, I want to bring back the changes from DR site back to main site (and carry on working)

If the format is different, then it would be long process (correct me if I am wrong)

Yes, this is the most tricky part, need to think on the solution, as currently I don't have any suggestions yet. The idea above was proposed just for the DR situation, as you do need to bring the production server live again.
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby spgsit5upport » Wed Dec 28, 2016 9:17 pm

That is true, but to bring it up, I can currently do VM restore from DR hosted local backup

But if replication was possible even with format change, it would be of course better then NOT existing at all!
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Vitaliy S. » Thu Dec 29, 2016 10:34 am

Yes, I agree with that and have passed this to our dev team already.
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[MERGED] Backup on virtual machines with 2012R2 shared-vhdx

Veeam Logoby ludok » Thu Mar 02, 2017 3:02 pm

Hi, little question here..
I want to use 2012R2 Shared-Vhdx feature, but there is all the limitations included in 2012R2… Mostly the Backup concern.
Just for info (don’t think it’ll actually change anything), I have 2 DC:
•Primary one:
o1 cluster with 3 2012R2 nodes
oDell compellent SC9000 storage

•Secondary one (Online next month):
o1 cluster with 2 2012R2 nodes
oSecond SC9000
We are gonna use LiveVolume feature for the synchronous replication of both compellent. (So same LUN both sides).

I understand that I cannot use VSS backup on virtual machines with 2012R2 shared-vhdx, but isn’t there a way around this?
Recently saw that you had a Windows Agent in beta for VEB, is there any chance to integrate this in VB&R to backup this type of vm’s? (Won’t upgrade to 2016 before a while, but would really love to use this feature).

(The whole subject is about SOFS Cluster with a vm on each HV Cluster using Shared-vhdx for storing my UPD (User Profile Disks) for my RDS Farm.)

Any help is welcome :)

Thanks!
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Re: Backup on virtual machines with 2012R2 shared-vhdx

Veeam Logoby DGrinev » Thu Mar 02, 2017 4:55 pm

Hi Ludovic and welcome to the community!

Veeam Agent for windows doesn't protect cluster metadata, crash-consistent backup seems like the only option to do backups.
Please review this thread for additional information.

Thanks!
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Mike Resseler » Fri Mar 03, 2017 8:31 am

Hi Ludovic,

To add to Dmitry's answer

If I understand it correctly you want to backup the data on that shared VHDX which is a bunch of files (user profiles). In that case, I would indeed test VEB (soon VAW) on top of that server and backup the data on that shared disk. What can happen is that there is a failover and in that case you will be without backups for that moment (but then you still have the crash-consistent ones from the VM backup). But I assume a failover is something that you only want to have temporarily and not for a long period ;-)
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby ludok » Mon Mar 06, 2017 10:55 am

Hi,

I would agree with you if it were a simple file share with a bunch of files but UPD are vhd's files/user mounted on the RDS), and microsoft told me I need VSS to backup those...
So this is a no go for me.
Seems I've to stick to a single server to backup it correctly.

But thanks for confirmation.
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Re: Backing up a Windows Failover Cluster with Shared vhdx?

Veeam Logoby Mike Resseler » Tue Mar 07, 2017 7:38 am

Ludovic,

Yes correct. You need VSS so VAW server edition would be the way to go here. (in a single server type of setup)

Mike
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