I can confirm this, I have a Seagate Momentus 5400.3 sata disk, and it
spins off, respin up and again off when I halt my notebook.
I had before this disk an IBM/Hitachi one, and it doesn't have this behaviour.
Take a look at this bug report:
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/67810
There are some references and some patches against 2.6.20 kernel. This
bug is confirmed there.
Bye
2007/4/11, Chuck Ebbert <[email protected]>:
Jan Engelhardt wrote:
> On Apr 11 2007 17:07, Chuck Ebbert wrote:
>> When I reboot my notebook, it powers off and powers back on.
>> On poweroff a loud snapping noise seems to be coming from the
>> hard drive. Today I noticed there is no "shutdown: hda" on
>> the console when I reboot. Whne I do a normal poweroff the
>> message is displayed and there is no noise. Should the IDE
>> code be changed so it always shuts down the drive?
>
> What sort of notebook? What sort of harddisk?
Compaq Presario V2000 series, with a new Seagate ST9120821A
120GB 5400RPM drive.
> Is it as loud as `hdparm -y /dev/hdX"?
That makes no noise at all except normal drive seek noises.
> Try `smartctl -d ata -a /dev/hdX | grep -i unload` too.
Hmm.
Power_Cycle_Count ... 108
Power-Off_Retract_Count ... 90
I did a normal poweroff and the retract count went to 91.
There is an almost-unnoticeable click when I do it that way.
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