On Wed, Jan 21, 2015 at 12:28 AM, Valentijn Sessink <valentyn@xxxxxxxx> wrote: > Make a snapshot using dmsetup. Thanks for the tip. I did not know the blockdev --setro command. I've attached the output of smartctl -A in smartctl.log, mdadm -E in mdadm.log, and mdstat in mdstat.log. The mdstat needs some explanation, perhaps sd[a-d] are 3TB hard disks sd[e-f] are SSDs md121, md122, md125 : swap disks md123, md124: uefi, boot md126: PV with LV root md125: bcache cache disk what is missing is a raid5 on /dev/sd[a-d]4 which is the bcache backing device Try: madam -A -o --run --force --freeze-reshape /dev/md120 /dev/sd[a-d]4 It failed the same as before. Logs in mdadm-a.log and dmesg.log The system was in the middle of a reshape to move the data-offset from 5120 to 8192. No disks were added or removed. All disks are healthy. I believe the system was rebooted mid-reshape. Could this be a bug? That madam won't continue a data-offset reshape?
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