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bulletlynn
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Restore of Server 2016 with ReFS drive - unable to see drive

Post by bulletlynn » Sep 22, 2017 2:24 pm 1 person likes this post

We have a Server 2016 Veeam 9.5 U2 server with ReFS x64 backup repository and we are backing up a Server 2016 file server with a ReFS D: drive.

When we do a restore whether it be a Guest File or a Instant VM recovery it does not see the D: drive. It sees the C: drive which is NTFS no problem.

Now what is interesting is if we create a new backup job or do a VeeamZip we are able to restore from the Full backup but once we do an incremental backup we are unable to see the D: drive again. During an incremental backup job it sees and backs up data on that D: drive.

Not sure if anyone has started moving any of their production servers to ReFS drives yet but this has me a bit concerned. I will probably be migrating the customers data back to a NTFS drive this weekend.

Veeam has escalated the ticket. Case number: 02314772

foggy
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Re: Restore of Server 2016 with ReFS drive - unable to see d

Post by foggy » Sep 25, 2017 5:02 pm

Hi Nick, the behavior indeed seems odd, I can see that your case has been escalated and is being thoroughly investigated, so let's see what our engineers could find. Thanks for sharing with the community anyway.

bulletlynn
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Re: Restore of Server 2016 with ReFS drive - unable to see d

Post by bulletlynn » Sep 26, 2017 6:51 pm

After working with support we found if we disable CBT in Veeam we are able to see the ReFS D: drive on a restore.

In VMware we reset CBT on the VM and then enabled CBT in Veeam but the issue comes up again after running a full and then an incremental.

Still investigating.

eeup
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Re: Restore of Server 2016 with ReFS drive - unable to see d

Post by eeup » Jun 04, 2018 7:06 am

Hi,

Sorry to hijack this old thread, but we are experiencing exactly the same behavior.

One of our new file servers has a NTFS C: drive, and a ReFS D: drive ; I had to perform a restore for the first time, and I noticed that it does not see the d: drive.

Do you have any new information about this case ?

Thanks,

Gostev
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Re: Restore of Server 2016 with ReFS drive - unable to see d

Post by Gostev » Jun 04, 2018 4:35 pm 1 person likes this post

Make sure both your backup console and the mount server specified in the backup repository properties both support ReFS version that the VM in question is using.

In practice, this means you really want them to be running Windows Server 2016 or "Windows 10 Pro for Workstations" (the only two OS that support ReFS 3.1), otherwise file level recovery from ReFS volumes on Windows Server 2016 VMs will not be possible.

Thanks!

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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by lorenzoacler » Oct 27, 2018 10:05 am

Hi there, i have the same issue on a new small customer enviroment, both backup server and backed up file server with refs volume are running windows server 2016 standard and updated. File level restore doesn’t show refs volume and if i browse by folder i can see the volume link but if i try to open it i receive an unknown file system error. Backup server isn’t using refs repositories at the moment, do i need to create one to let veeam b&r become aware of refs? 🙂 thanks!

Vitaliy S.
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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by Vitaliy S. » Oct 27, 2018 11:13 am 1 person likes this post

No, creating ReFS repositories is not required. To be able to recognize these volumes your backup server and mount server should be using the OS that supports ReFS. Here is a bit more info on this.

What is your target repository and the configured mount server?

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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by lukasholzknecht » May 08, 2019 2:18 pm

Hi Gostev, Hi Vitaliy,
sorry for hijacking this thread again, but we're experiencing the same issue.
Fileserver with OS Windows Server 2016, C: (NTFS) and D: (ReFS).
Backupserver with OS Windows Server 2016, we're using a Qnap NAS as Backup repository, Veeam B&R 9.5 U4.
Restore of Full-Backup shows up all the partitions while Restore of an incremental Backup (Guest Files or instant vm recovery) shows up "unable to mount volume from backup to the mount server" on the partition with ReFS.

Any news about this issue?

Best regards,

Gostev
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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by Gostev » May 08, 2019 4:36 pm

Hi, Lukash. There are no known issues in this functionality. Did you read the post just before yours? What is the OS on the mount server associated with your backup repository? Thanks!

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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by lukasholzknecht » May 09, 2019 2:31 pm

Hi Gostev,
Backupserver is an all-in-one-installation, all Veeam components are running on the same machine with Windows Server 2016.

BR

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Re: Restore of Server 2016 with ReFS drive - unable to see drive

Post by Gostev » May 10, 2019 2:02 am

OK, then please open a support case to investigate.

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