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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.
And the RAID is definitely still running?
cat /proc/mdstat
It seems to be...
# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md127 : active raid5 sda3[0] sdd3[3] sdc3[2] sdb3[1]
11706506496 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [UUUU]
md1 : active raid6 sda2[0] sdd2[3] sdc2[2] sdb2[1]
1047424 blocks super 1.2 level 6, 64k chunk, algorithm 2 [4/4] [UUUU]
md0 : active raid1 sda1[0] sdd1[3] sdc1[2] sdb1[1]
4190208 blocks super 1.2 [4/4] [UUUU]
unused devices: <none># btrfs fi sho
Label: '1165568a:Volume1' uuid: 56990628-d1ea-4142-8c3d-5dd32b620f00
Total devices 1 FS bytes used 8.30TiB
devid 1 size 10.90TiB used 8.35TiB path /dev/md127
btrfs-progs v4.1.2
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