Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 14 Oct 2003 13:50:28 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH] laptop mode |
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Barry K. Nathan wrote: > On Sat, Oct 11, 2003 at 03:59:43PM +0200, Jens Axboe wrote: > >>Not very likely, imho. People have been using spin down with hdparm for >>years (in Linux and elsewhere), while acoustic management is a bit more >>esoteric. > > > I'm having trouble finding this on Google now, but I've heard rumors > over the years of old Fireball drives corrupting data if they receive > write commands too soon after spinning up (i.e., the drive doesn't > bother waiting to spin up fully first). Maybe I'm not remembering the > details correctly, but it was something about the drive trying to act on > commands before it was fully spun up and malfunctioning as a result.
Well, there exists devices which comply with the delayed spin-up part of ATA/ATAPI specification... maybe our code doesn't cover that. I don't put much stock in rumors, but they are occasionally clues... :)
Jeff
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