After eliminating swap my /dev/sdb still spins up about once an hour.
I don't have any of the following installed:
- hddtemp
- sensors-applet
- smartmontools
In "cat /proc/mounts" I don't see any references to /dev/hdb or UUIDs of
any of its partitions.
I tried monitoring disk access and got no indication of any process accessing
/dev/sdb* when the disk spun up or at any other time. I used this script to
monitor:
echo 1 >/proc/sys/vm/block_dump
while ( ! dmesg -c|grep sdb ); do sleep 1; done
echo 0 >/proc/sys/vm/block_dump
Is there any way I could "freeze" the kernel after issuing the hdparm
-S/y/Y command so that I can be sure neither the kernel nor any process
is able to access the disk? That way I could make sure it's not the disk
itself or the controller which decides to spin up the disk.
--
Hard drive will not stay in standby mode
https://bugs.launchpad.net/bugs/180986
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