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Solved
btrfs_merge_bio_hook+a0 error, recovery possible?
Hi, I have a ReadyNAS 204 with the btrfs_merge_bio_hook+a0 error. After reboot I can ssh into the box, but the web interface does not load and the data volume is not mounted. Output of cat /p...
Eventually I used --path-regex to restore specific directories and it worked fine. Seems that everything I wanted was copied.
Shell commands would have to be used to try and mount it or attempt to recover the data and these could just as easily be done via SSH on the RN204. However attempting to do that would be at your own risk.
Have you checked the smart stats of the disks for SMART errors?
I just checked smart values using smartctl and see no error on any disk.
I'd like to try to manually mount the volume. Could you assist me with the required shell commands?
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