What were you trying to do that didn't work?

When recovering the system and the system has its disks on multipath, the grub2-install step fails because the code is not able to read the disk label of the disk to find the Grub device to install on.
See PR 3334

What is the impact of this issue to you?

Can't recover properly

Please provide the package NVR for which the bug is seen:

rear-2.6-24.el9 but also Upstream

How reproducible is this bug?:

Always

Steps to reproduce

1. Install a QEMU/KVM with disks in multipath (requires SCSI storage+RAW mode+ setup same SCSI ID on both disks)
2. Create backup

   ONLY_INCLUDE_VG=( "rhel" )
   AUTOEXCLUDE_MULTIPATH=n
   FIRMWARE_FILES=( 'no' )
   PROGS+=( vim )
   BACKUP=NETFS
   BACKUP_URL=nfs://192.168.122.1/home/rmetrich/REAR
   BACKUP_PROG_EXCLUDE=( '/var/tmp/*' '/var/cache/*/*' )

3. Recover the same system

Expected results

No issue restoring

Actual results

Failure when trying to detect the device to run grub2-install on