Permanent errors

zpool status ssdpool -v

pool: ssdpool
 state: ONLINE
status: One or more devices has experienced an error resulting in data
	corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
	entire pool from backup.
   see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-8A

errors: Permanent errors have been detected in the following files:

        /home/user/file_a
        /home/user/file_b

Message ID: ZFS-8000-8A

zpool scrub ssdpool
zpool status ssdpool -v 1

Wait for scrub finish. Remove all files with permanent errors. Start scrub and stop it.

zpool scrub ssdpool
zpool scrub -s ssdpool
zpool clear ssdpool