Re: Does Linux support powering down SATA drives?

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Mark Lord wrote:

Yes, the hdparm -y, -Y, and -S flags all work with the passthru feature set,
which is included in the 2.6.15-rc* kernels.

Typical power consumption figures, from WDC SataII drives:

Idle:  430mA@12VDC + 730mA@5VDC (about 8.75 watts)
Standby:  20mA@12VDC + 270mA@5VDC (about 1.60 watts)
Sleep: 20mA@12VDC + 250mA@5VDC (about 1.50 watts)

Those are from the WDC datasheets.

Cheers

Here's maxotor specs

Power
Spinup (avg, watts) 28.7
Seek (avg, watts) 12.3
Idle (avg, watts) 7.0
Standby (avg, watts) 2.1

--
Marc Perkel - marc@perkel.com

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