XFS
Supported features
Supported version
Linux 4.15 and newer, xfsprogs 4.17 and newer
Prerequisites:
Creating a Synthetic Filesystem Backup Destination


Syntetic backup
Supported
Random Access
Supported
Deduplication
Supported *
Encryption
Not supported
Pre/post command execution
Supported
Note:
The only prerequisite to using synthetic XFS as a backup destination is that the selected storage path is on the XFS
For a basic setup of file systems on the Node check File system
Select File System from Backup Destinations,

Select Create Backup Destination -> File System (Synthetic),

Configuration is similar to a regular Filesystem.
You just need to select XFS as the Storage Backend:

When setting the path, make sure it's actually on the XFS!