Unable to perform file recovery after upgrading the VMs disks to premium SSDv2

Question

We have recently upgraded most of the large VM disks to premium ssdv2. These VMs and disks are backed up in RSV, however we are unable to perform file recovery after moving the disks to premium ssd v2 and get the following error. This wasn't listed in the limitations section for premium ssd v2 upgrades. Please advise what would be the workaround to restore files. We don't want go down the path of creating a new VM with the disks from last restore point and recover the files.

"The error message you're encountering indicates that Azure Backup currently does not support File Recovery for virtual machines running on Premium v2 SSD or Ultra disks. This limitation is causing the failure to download the Item Level Recovery script.

To resolve this issue, you may need to consider using a different type of disk that is supported by Azure Backup for File Recovery, or explore alternative recovery options that are compatible with your current disk setup".

 

Answer 1

Hi @HK

Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.

Upgrading to Premium SSD v2 or Ultra disks, you found that Azure Backup doesn’t support file-level recovery for VMs using these disk types. This means you can't restore individual files or folders, even though the VM is backed up. This limitation is not clearly stated in the official documentation.

You can still recover your files by creating a snapshot of the disk with the data you need. Attach the snapshot as a data disk to another VM, then mount it to access your files, without needing to create a new VM from the backup.

If you prefer another method, you can restore the disk to an Azure File Share, where you can recover the files directly. Alternatively, if file-level recovery is not critical, you could perform a full VM recovery from the backup. After the VM is restored, you can access the disk and manually recover the files you need.

The snapshot and attach method is the most efficient and least disruptive approach, allowing you to recover files without affecting your current production environment.

If you have any concerns, please go through this link: -

https://learn.microsoft.com/en-us/azure/backup/backup-azure-restore-files-from-vm

https://learn.microsoft.com/en-us/azure/virtual-machines/disks-incremental-snapshots?tabs=azure-cli

If you have any further queries, do let us know

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