[ 5581.160204] loop0: detected capacity change from 0 to 4096000
[ 5585.981676] loop1: detected capacity change from 0 to 4096000
[ 5590.792353] loop2: detected capacity change from 0 to 4096000
[ 5595.608174] loop3: detected capacity change from 0 to 4096000
[ 5599.508205] device-mapper: raid: Loading target version 1.15.1
[ 5602.023285] device-mapper: raid: Superblocks created for new raid set
[ 5602.032544] md/raid1:mdX: not clean -- starting background reconstruction
[ 5602.039330] md/raid1:mdX: active with 4 out of 4 mirrors
[ 5602.155449] mdX: bitmap file is out of date, doing full recovery
[ 5602.162657] md: resync of RAID array mdX
[ 5603.019547] md: mdX: resync interrupted.
[ 5605.420087] device-mapper: raid: Superblocks created for new raid set
[ 5605.429204] md/raid:mdX: not clean -- starting background reconstruction
[ 5605.436035] md/raid:mdX: device dm-2 operational as raid disk 0
[ 5605.441943] md/raid:mdX: device dm-4 operational as raid disk 1
[ 5605.447856] md/raid:mdX: device dm-6 operational as raid disk 2
[ 5605.453767] md/raid:mdX: device dm-8 operational as raid disk 3
[ 5605.460192] md/raid:mdX: raid level 5 active with 4 out of 4 devices, algorithm 2
[ 5605.533609] device-mapper: raid: raid456 discard support disabled due to discard_zeroes_data uncertainty.
[ 5605.543164] device-mapper: raid: Set dm-raid.devices_handle_discard_safely=Y to override.
[ 5605.552612] mdX: bitmap file is out of date, doing full recovery
[ 5605.559432] md: resync of RAID array mdX
[ 5606.251342] md: mdX: resync interrupted.
[ 5608.849715] device-mapper: raid: Superblocks created for new raid set
[ 5608.858740] md/raid10:mdX: not clean -- starting background reconstruction
[ 5608.865634] md/raid10:mdX: active with 4 out of 4 devices
[ 5608.965034] mdX: bitmap file is out of date, doing full recovery
[ 5608.971845] md: resync of RAID array mdX
[ 5609.613659] md: mdX: resync interrupted.
[ 5611.893716] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 2