UNRAID XFS Reflink=1 CRC=1 and Veeam 12 BR works only with /mnt/disk but not with /mnt/user

[biuropatron]

Hi, perhaps someone will be able to help me with my problem.

 

I am using Veeam 12 BR Community Edition for my server backups. The backup is to a UNRAID server. I want to use XFS (reflinks) file system technology. The UNRAID version is 6.11.5 and the disks have been reformatted to XFS.

 

I will describe briefly what my problem is.

 

In the Veeam software, I add a new host, select Linux, enter root data (from UNRAID). Veeam connects to the UNRAID server trying to install the two components, but fails to do so (error appears) - the errors it shows concern the situation if I gave the login to UNRAID without root. The host is added correctly.

I then add a new file repository (I select the previously added Linux host (UNRAID) as the host. When adding a new file repository, Veeam correctly shows all folders on UNRAID. And now:

 

1.  If mark anything from /mnt/disk1, disk2, disk 3 (so physical disks) as a file repository, Veeam correctly detects the file system on the host as XFS and uses this technology (very fast synthetic backups, etc.) I tested such a configuration and although it is not supported by Veeam - it works.
    
2. If select anything from /mnt/user/ as a file storage location, Veeam does not allow to complete the configuration with an error: the indicated location does not contain the XFS file system.

 

Any thoughts?

[Kilrah]

/mnt/user goes through FUSE to allow unraid to merge multiple drives as one single larger destination, so the underlying filesystems and any advanced features they may offer are not directly accessible.

Edited May 13, 2023 by Kilrah