Re: IDE/raid performance

nick@snowman.net
Wed, 17 Apr 2002 13:48:24 -0400 (EDT)


It's fairly common in SCSI raid setups, however I've never seen it for
IDE.
Nick

On Wed, 17 Apr 2002, Kent Borg wrote:

>
> On Wed, Apr 17, 2002 at 10:27:22AM -0700, Jeff V. Merkey wrote:
> > From my analysis with 3Ware at 32 drive configurations, you really
> > need to power the drives from a separate power supply is you have
> > more than 16 devices. They really suck the power during initial
> > spinup.
>
> It seems an obvious help would be to have the option of spinning up
> the drives one at a time at 2-3 second intervals. I know a fast drive
> doesn't get up to speed in 3 seconds, but the nastiest draw is going
> to be over by then.
>
> A machine with 32 drives is pretty serious stuff and probably isn't
> booting in a few seconds anyway--another 60-some seconds might be a
> desirable option.
>
> Does this exist anywhere? Would it have to be a BIOS feature?
>
>
> -kb
>

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