> My md raid5 still does not always shut down cleanly. The last few
> lines of the shutdown sequence are always as follows:
>
> [...]
> Will now halt.
> md: stopping all md devices.
> md: md0 still in use.
> Synchronizing SCSI cache for disk /dev/sdd:
> Synchronizing SCSI cache for disk /dev/sdc:
> Synchronizing SCSI cache for disk /dev/sdb:
> Synchronizing SCSI cache for disk /dev/sda:
> Shutdown: hde
> System halted.
May be your shutdown script is doing "halt -h"? Halting the disk
immediately without letting the RAID to settle to a clean state
can be the cause?
I see that my Debian avoids the -h option if running RAID,
from /etc/init.d/halt:
# Don't shut down drives if we're using RAID.
hddown="-h"
if grep -qs '^md.*active' /proc/mdstat
then
hddown=""
fi
# If INIT_HALT=HALT don't poweroff.
poweroff="-p"
if [ "$INIT_HALT" = "HALT" ]
then
poweroff=""
fi
log_action_msg "Will now halt"
sleep 1
halt -d -f -i $poweroff $hddown
--
Niccolo Rigacci
Firenze - Italy
Iraq, missione di pace: 38839 morti - www.iraqbodycount.net
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