On Tue, May 7, 2013 at 1:54 PM, NeilBrown <neilb@xxxxxxx> wrote: > On Tue, 7 May 2013 13:36:56 +0200 Ole Tange <tange@xxxxxxxxxx> wrote: > >> I am expanding my 9 harddisk RAID6 to 10 harddisk RAID6: : >> It is, however, hanging the system. : >> # Do the reshape >> mdadm -v --grow /dev/md1 --raid-devices=10 >> --backup-file=/root/back-md1 >> mdadm: Need to backup 7168K of critical section.. This completed - did not hang. > What does > grep . /sys/block/md1/md/* > show? Or does it hang? Hangs (ctrl-c works). > What about "mdadm --examine /dev/sd*" https://gist.github.com/anonymous/5532063 The disk box contains more drives than just the array in question. The interesting array is: 242d6530:e2562ecb:1dcd2a97:15a1a868 > Did the "mdadm --grow" appear to complete, and return to the shell prompt? Yes. > What kernel version? What mdadm version? $ mdadm --version mdadm - v3.2.5 - 18th May 2012 $ uname -r 3.2.0-0.bpo.1-amd64 > A hanging /proc/mdstat is definitely not a good sign. The "got signal ... > exiting" isn't good either. I would expect more messages with that. > You didn't just "grep md" in dmesg did you? That is a complete dmesg output > for the entire time period that could possibly be relevant? dmesg of controller upgrade (after which everything worked fine) followed by --grow at 4328065.432267 https://gist.github.com/anonymous/5532093 /Ole -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
