Re: [ILUG] Hardware and Software raid

From: Chris Higgins (chris.higgins at domain hts.horizon.ie)
Date: Wed 10 Jul 2002 - 21:38:34 IST


On Wed, 10 Jul 2002 17:20:00 +0100
"John P. Looney" <valen at domain tuatha.org> wrote:

> On Wed, Jul 10, 2002 at 02:45:51PM +0100, Matthew French mentioned:
> > I presume that I need to run controller specific software to create
> > a hardware raid device. So if I ran mkraid, this would make it a
> > software raid device? This is on a Sun Ultra 3000, and I did not
> > check the available hardware before wiping off Solaris.
>
> Sun never do hardware raid. Their opinion is that your Ultra CPU's

I suppose that means that the
 "Sun[tm] Hardware RAID Storage Systems Administration (ES-255)"
 http://suned.sun.com/US/catalog/courses/ES-255.html - July 1, 2002 - 29 KB

course is spent hitting students over the head and getting them to
repeat 'software raid is better'

> are likely faster than any raid card, and better at doing RAID
> anyway. And any good Sun engineer will beat your with your SS3000's
> backplane if he catches you doing CPU intensive RAID like RAID 4/5.
>
> Stick with RAID 1+0. Your only man, when you have lots of cash.
>
> Kate
>
>
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-- 
Chris Higgins
Horizon Technical Services
e: chris.higgins at hts.horizon.ie
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