Host-based backup of VMware vSphere VMs.
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albertwt
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Backing up during Windows 2012 R2 Deduplication process ?

Post by albertwt »

People,

I'm still using Veeam Backup & Replication 8.0.0.2084, so Hopefully this is works better in V9.

What would happens for the VM backup when the File Server that is running Windows Server 2012 R2 currently running Data Deduplication ?

Does Veeam Backup can still back it up or it will be corrupted ?

Since I do not know how long the data deduplication time frame, it would be impossible for Veeam Backup job to wait until the process is finished.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by foggy » 1 person likes this post

Since Windows Data Deduplication is VSS-aware, you can backup this VM just fine. But don't expect backup file size reduction, since on the block level data is still there.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by veremin » 1 person likes this post

What would happens for the VM backup when the File Server that is running Windows Server 2012 R2 currently running Data Deduplication ?
And keep in mind that in this case VB&R server (or mount server) should be also running on Windows Server 2012 R2. Otherwise, problems during file level restore are expected. Thanks.
albertwt
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by albertwt »

Yes Vlad,

I've just upgraded it to Windows Server 2012 R2 as well.
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albertwt
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by albertwt »

foggy wrote:Since Windows Data Deduplication is VSS-aware, you can backup this VM just fine. But don't expect backup file size reduction, since on the block level data is still there.
Do I have to stop the VM backup job while the deduplication is still on going ?
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by foggy » 1 person likes this post

I believe this is not required.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by skrause » 1 person likes this post

I have backed up VMs while the dedupe process was running (either started before, or during the job) and have had not had noticeable issues.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by albertwt »

Many thanks Steve and Alex for the clarification, so I guess I can just leave the backup job running as normal.

What about running SDelete within the VM after the deduplication process ? is that needed ?
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by foggy »

As described in the thread mentioned above, it is required (as well as some additional steps) if you want to reduce backup file size.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by Gostev »

Actually, this is incorrect: SDelete is no longer required with v9, thanks to BitLooker.
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Re: Backing up during Windows 2012 R2 Deduplication process

Post by foggy »

The OP is still on v8, though.
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