Public bug reported:
Binary package hint: hdparm
i'm using 9.15-1ubuntu9 on ubuntu 10.04 LTS.
i have two hdds. one for doing work, one for backups. the backup drive
sleeps most of the time and gets mounted by my backup cronjob only once
a day.
hdparm installs a power.d script /usr/lib/pm-utils/power.d/95hdparm-apm
which adjusts the APM settings of all attached harddrives whenever the
power state changes (i.e. when AC is plugged/unplugged). this wakes up
my backup drive, which is... not ideal for a power saving script.
hdparm offers a switch to check the drives power status (-C), but this wakes up
every drive i tested. so using that is no option. a white or blacklist for
drives not to wake up would be ok i guess?
for now i just created an empty shell script at /etc/pm/power.d/95hdparm-apm,
which overrides the provided one (i don't need the functionality anyway).
** Affects: hdparm (Ubuntu)
Importance: Undecided
Status: New
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hdparm's power.d script wakes sleeping hdd when AC state changes
https://bugs.launchpad.net/bugs/659620
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