Fehler FW00012 bei QNAP TS-469L

[/] # mdadm --assemble /dev/md99 /dev/sdb3 /dev/sdc3 /dev/sde3
mdadm: failed to get exclusive lock on mapfile - continue anyway...
mdadm: /dev/md99 has been started with 3 drives.
[/] # ls /dev/md99
/dev/md99
[/] #
[/] # cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath]
md99 : active raid5 sdb3[0] sde3[2] sdc3[1]
3887119232 blocks super 1.0 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
[>....................]  resync =  0.5% (10210380/1943559616) finish=275.3min speed=117024K/sec

unused devices: <none>
[/] # cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath]
md99 : active raid5 sdb3[0] sde3[2] sdc3[1]
3887119232 blocks super 1.0 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
[>....................]  resync =  0.5% (11478780/1943559616) finish=283.1min speed=113700K/sec

unused devices: <none>

[/] # mkdir /tempmnt
[/] # mount -t ext4 /dev/md99 /tempmnt/
mount: wrong fs type, bad option, bad superblock on /dev/md99,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail  or so

[/] #
[/] # pvscan
PV /dev/md99   VG vg1   lvm2 [3.62 TiB / 0    free]
Total: 1 [3.62 TiB] / in use: 1 [3.62 TiB] / in no VG: 0 [0   ]
[/] #
[/] # lvscan
inactive          '/dev/vg1/lv544' [20.00 GiB] inherit
inactive          '/dev/vg1/tp1' [3.59 TiB] inherit
inactive          '/dev/vg1/lv1' [3.58 TiB] inherit

[/] # lvchange -a y /dev/vg1/lv1
WARNING: Thin pool target does not support error if no space (needs version >= 1.10).
/sbin/pdata_tools_8192 failed: 1
thin_check with block_size = 8192 failed