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    SubjectRe: Does Linux support powering down SATA drives?
    On Sat 19-11-05 20:25:07, Alan Cox wrote:
    > On Sad, 2005-11-19 at 19:00 +0000, Alistair John Strachan wrote:
    > > > 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?
    > The latest kernels support command passthrough for SMART and the like
    > but hdparm -S does not "switch off" anything. It may spin a drive down
    > but the power consumption of 23 hours a day of "spun down" is
    > significant, probably more than the hour it is powered up.

    Really? Harddrive does not contain AC/DC converters, so situation should be slightly
    better there, no?
    64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

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      Last update: 2005-11-21 01:42    [W:0.020 / U:0.200 seconds]
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