On Sat, 17 Jul 2010 15:49:22 +0200 Björn Påhlsson <bel...@fukt.bsnet.se> wrote:
..... > # mdadm --verbose --grow /dev/md0 --level=raid6 --raid-devices=4 > > The output of that last command is: > > mdadm level of /dev/md0 changed to raid6 > Segmentation fault > When I try that (thanks for providing precise commands!) it works: While the array is still performing recovery I get: # mdadm --verbose --grow /dev/md0 --level=raid6 --raid-devices=4 mdadm: /dev/md0 is performing resync/recovery and cannot be reshaped and once recovery completes I get: # mdadm --verbose --grow /dev/md0 --level=raid6 --raid-devices=4 mdadm level of /dev/md0 changed to raid6 mdadm: /dev/md0: Cannot grow - need backup-file mdadm: aborting level change This is with Version: 3.1.2-2 on Debian, though I'm still running 2.6.32-5-amd64. I doubt that would make a difference, but it might. Can you run the --grow command under 'strace' and post the output. e.g. strace -o /tmp/trace mdadm --verbose --grow /dev/md0 --level=raid6 --raid-devices=4 and post /tmp/trace. NeilBrown -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
