Alexander Stockinger wrote:
Hi all,
I have a linux software RAID 5 running on a Debian Sarge with 2.6.7-smp.
Since I installed the system (several kernel updates ago) the disks of
the RAID 5 won't stay spinned down. Having them sent to standy manually
using hdparm ends up in having the disks spin up within the next minute
or so.
To further investigate the problem I watched the /proc/diskstats file
for /dev/md0 and realized that prior to the spinup a single read access
to the RAID is issued - consequently the disks attached to the read spin
up again...
Does it occur if you have the filesystem on the md device unmounted?
Regards,
Brad
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