Messages in this thread |  | | Date | Tue, 21 Nov 2006 13:40:56 +0900 | From | Tejun Heo <> | Subject | Re: AHCI power saving (was Re: Ten hours on X60s) |
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Mark Lord wrote: > Jeff Garzik wrote: >> Andi Kleen wrote: >> >>> How does it shorten its life? >> >> Parks your hard drive heads many thousands of times more often than it >> does without the aggressive PM features. > > Spinning-down would definitely shorten the drive lifespan. Does it do > that? > > Parking heads is more like just doing some extra (long) seeks. > Is this documented somewhere as being a life-shortening action?
I wrote this in the other thread but writing here too for documentation purpose.
* HL-DT-ST DVD-RAM GSA-H30N locks up completely on slumber. Physical power removal and reapply is the only to recover it.
* Some WD raptors spin down (yeap, that's right, it spins down) on slumber.
Wonderful world of ATA. :-P
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