Messages in this thread | | | From | "Tvrtko A. Uršulin" <> | Subject | Re: Question about IDE disk shutdown | Date | Tue, 1 Jun 2004 17:57:13 +0200 |
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On Tuesday 01 June 2004 17:47, Eric D. Mudama wrote: > On Tue, Jun 1 at 17:13, Tvrtko A. Ur?ulin wrote: > >According to my hard disk manual, it is absolutely recommended to put the > >drive in STANDBY or SLEEP mode before power cut-off because in that way > > heads are nicely parked. In that way it is guaranteed to have 300000 head > > load/unload cycles minimum, while in other case it is just 20000 cycles. > > All "modern" drives have plenty of back-EMF to park the heads properly > when power fails.
Yes, but this is a kind of uncontrollable parking with much greater mechanical stress.
> Remember that even if you are limited to 20,000 power cycles reliably, > that's over 5 reboots every day for 10 years, well over the expected > lifetime of the drive. (unless you run windows yuk yuk)
Good point, I missed that. :) Although it would be nice if we could park the heads nicely. You never know which premature failure emergency parking can produce. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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