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    SubjectRe: Does Linux support powering down SATA drives?

    Alistair John Strachan wrote:

    >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?

    So - why isn't there more SATA support. Seems like this and SMART aren't
    supported. What's up with that? Why is SATA harder than IDE?

    Marc Perkel -

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