Re: IDE/raid performance

Mike Galbraith (EFAULT@gmx.de)
Thu, 18 Apr 2002 20:33:10 +0200


----- Original Message -----
From: "Bill Davidsen" <davidsen@tmr.com>
To: <nick@snowman.net>
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Sent: Thursday, April 18, 2002 5:51 PM
Subject: Re: IDE/raid performance

> On Wed, 17 Apr 2002 nick@snowman.net wrote:
>
> > to be about 25-30watts. Each 1800+ MP puts out 66w of heat, meaning it
> > uses more than 66w
>
> Unless they changed the laws of physics, the power in is the same as the
> power out, and the temp will rise to increase power out (or limit power in
> by melting). The power of the output driver lines is really too small to
> consider.
>
> > Morale of this message: Don't be a dipshit and
> > put 12 IDE disks on a single power supply.
>
> 1. learn physics
> 2. learn vocabulary
> 3. learn diplomacy
>
> Since he has problems running, when there's no question of power being
> adequate, rather than while booting, I think looking for the real problem
> is now in order. There have been several constructive suggestions on this,
> which address the problem.

I like your point #3 quite a lot.

-Mike

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