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ReadyNAS v.6.2.4 btrfs recovery
Hi,
my storage can't mount /dev/md127 after reboot. In process tree i see mount /dev/md127 in D state. Dmesg says:
btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196 btrfs: corrupt leaf, slot offset bad: block=449773568,root=1, slot=196
Personalities : [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md127 : active raid5 sdb3[0] sdc3[4] sdd3[5] sda3[1]
5845994112 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [UUUU]
md1 : active raid6 sda2[0] sdc2[5] sdd2[4] sdb2[1]
1047936 blocks super 1.2 level 6, 64k chunk, algorithm 2 [4/4] [UUUU]
md0 : active raid1 sda1[0] sdc1[5] sdd1[4] sdb1[1]
4192192 blocks super 1.2 [4/4] [UUUU]
unused devices: <none>
# btrfs filesystem show
Label: '0e353126:NETG_5RAID' uuid: e1557f17-5557-4ca4-bee3-04329056605a
Total devices 1 FS bytes used 5.37TiB
devid 1 size 5.44TiB used 5.44TiB path /dev/md127
Btrfs v3.17.3
Linux NETGEAR-BACKUP 3.0.101.RN2120.3 #1 SMP Wed Apr 1 16:09:30 PDT 2015 armv7l GNU/Linux
What can i do for repair btrfs ?
4 Replies
Do you have a backup of your data?
Your volume is very full. You shouldn't fill it that much.
If you don't have a backup you may wish to consider contacting support and to enquire about the costs involved with a data recovery attempt.
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