Messages in this thread | | | From | Alistair John Strachan <> | Subject | Re: Does Linux support powering down SATA drives? | Date | Sat, 19 Nov 2005 19:00:12 +0000 |
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On Saturday 19 November 2005 19:01, Alan Cox wrote: > On Sad, 2005-11-19 at 09:41 -0800, Marc Perkel wrote: > > Trying to save power consumption. I have a backup drive that is used > > only once a day to back up the main drive. So - why should I run it more > > that 10 minutes a day? What I'd like to do is keep it in an off state > > and then at night power it on, mount it up, do the backup, unmount it, > > and shut it down. Can I do that? > > SATA not yet, USB you could however.
Or PATA, of course. I switch off two of my HDs 4 minutes after last use with the commands:
hdparm -S 48 /dev/hde hdparm -S 48 /dev/hdg
Isn't there a passthru patch in the works to let commands, such as the one required for suspend, through to a SATA device?
-- Cheers, Alistair.
'No sense being pessimistic, it probably wouldn't work anyway.' Third year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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