[ILUG] Hardware and Software raid

[Chris Higgins]

On Wed, 10 Jul 2002 17:20:00 +0100
"John P. Looney" <valen at 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
> 
> 
> -- 
> Irish Linux Users' Group: ilug at linux.ie
> http://www.linux.ie/mailman/listinfo/ilug for (un)subscription
> information. List maintainer: listmaster at linux.ie


-- 

Chris Higgins
Horizon Technical Services
e: chris.higgins at hts.horizon.ie
tel: +353-1-6204900
fax: +353-1-6204901