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Forum Discussion
NetWhiz
May 27, 2025Guide
ReadyNAS Pro 6 - Stuck on booting while checking fs
I have searched for similar errrors on here, but none seem to either work or be related as to my situation. My Pro 6 just started to freeze a couple days ago while it was running. I had updated i...
StephenB
May 27, 2025Guru - Experienced User
NetWhiz wrote:root@2H0523RC00354:/# btrfs check /
ERROR: not a regular file or block device: /
Ok. Try btrfs check /sysroot (or even btrfs /dev/md0 )
NetWhiz wrote:lsblk
Ok. It looks like there is no volume expansion. But sdb3 (disk 2) does not appear to be in the md127 RAID array (e.g., the data volume).
Can you also post the output of cat /proc/mdstat ?
Did smartctl finish with sda? If it did, what were the results? It would be good to run smartctl on sdb as well.
NetWhiz
May 27, 2025Guide
Should I do the following:
mdadm --manage /dev/md127 --add /dev/sdb3
to add the disk to the array?
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