Hi list,
I've got a 4 disk raid1 volume that has one failed disk. I have so far
been unable to mount it in degraded mode, but the failure is that
"mount" silently does nothing.
# btrfs fi sh
warning devid 2 not found already
Label: 'seneca' uuid: b9da07f5-c0fd-45ad-861b-d1bcad6cbf4c
Total devices 4 FS bytes used 581.71GiB
devid 1 size 931.51GiB used 334.02GiB path /dev/mapper/luks-seneca-1
devid 3 size 931.51GiB used 334.01GiB path /dev/mapper/luks-seneca-3
devid 4 size 931.51GiB used 334.01GiB path /dev/mapper/luks-seneca-4
*** Some devices missing
Btrfs v3.18.1
# mount -t btrfs -o degraded /dev/mapper/luks-seneca-1 /seneca
# echo $?
0
# ls /seneca/
# grep seneca /proc/mounts
# dmesg |tail
[ 84.955467] BTRFS: device label seneca devid 1 transid 1753 /dev/dm-4
[ 87.926347] BTRFS: device label seneca devid 4 transid 1753 /dev/dm-5
[ 107.069109] BTRFS: device label seneca devid 3 transid 1753 /dev/dm-6
[ 195.267046] BTRFS info (device dm-6): allowing degraded mounts
[ 195.267094] BTRFS info (device dm-6): disk space caching is enabled
[ 195.267133] BTRFS: has skinny extents
[ 195.277615] BTRFS warning (device dm-6): devid 2 missing
[ 781.160250] BTRFS info (device dm-6): allowing degraded mounts
[ 781.160270] BTRFS info (device dm-6): disk space caching is enabled
[ 781.160286] BTRFS: has skinny extents
# uname -a
Linux ambrosia.homeslice 3.19.3-200.fc21.x86_64 #1 SMP Thu Mar 26
21:39:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
# btrfs --version
Btrfs v3.18.1
Any ideas?
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