On 2012-08-08 03:21:44 +0200, Vincent Lefevre wrote:
> 2. Disable spindown via some option. This is what I did, but without
> any effect!
>
> I first tried putting "spindown_time = 0" in /etc/hdparm.conf, then
> ran "/etc/init.d/hdparm restart" (not sure whether this is useful).
> But the drive still spins down.
Actually, I can see that /lib/hdparm/hdparm-functions contains:
if hdparm_try_apm "$WANTED_DISK"; then
if hdparm_is_on_battery; then
hdparm_set_option -B127
# we allow spindown, but set a spindown time of 3 minutes by
# default so the disk isn't constantly power cycling on a busy
# machine
hdparm_set_option -S36
else
hdparm_set_option -B254
fi
fi
So, even before my change to have -S0, the -S36 wasn't taken into
account. There seems to be something wrong with this option.
It seems that some Ubuntu users have similar problems:
http://askubuntu.com/questions/137544/how-to-change-harddrive-spindown-time
the workaround being to use the -B option only (with some value
between 128 and 254).
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Vincent Lefèvre <[email protected]> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
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