Re: Linux: Why software RAID?

Bill Davidsen
2006-09-04T17:26:27Z

Alan Cox wrote:

>Ar Iau, 2006-08-24 am 07:31 -0700, ysgrifennodd Marc Perkel:
>
>
>>So - the bottom line answer to my question is that unless you are
>>running raid 5 and you have a high powered raid card with cache and
>>battery backup that there is no significant speed increase to use
>>hardware raid. For raid 0 there is no advantage.
>>
>>
>>
>If your raid is entirely on PCI plug in cards and you are doing RAID1
>there is a speed up using hardware assisted raid because of the PCI bus
>contention.
>

I would expect to see this with RAID5 as well, for the same reason...

--
bill davidsen <davidsen@tmr.com>
CTO TMR Associates, Inc
Doing interesting things with small computers since 1979