grub2-install failed with the error message 'error: unknown filesystem' with /boot partition formatted with xfs during backup recovery with rear
Issue
rear recoverdoesn't work from Red Hat Enterprise Linux 7.3.rear mkbackuplooks working well, butrear recoverin the rescue image failed with the following error when XFS is used for /boot.
grub2-install: error: unknown filesystem.
Environment
- Red Hat Enterprise Linux 7.3
- rear
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