From: Bill Davidsen <davidsen@tmr.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Marc Perkel <marc@perkel.com>,
Adam Kropelin <akropel1@rochester.rr.com>,
Jeff Garzik <jeff@garzik.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: Linux: Why software RAID?
Date: Mon, 04 Sep 2006 13:31:27 -0400 [thread overview]
Message-ID: <44FC62EF.7040100@tmr.com> (raw)
In-Reply-To: <1156432892.3007.155.camel@localhost.localdomain>
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
next prev parent reply other threads:[~2006-09-04 17:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-24 3:34 Linux: Why software RAID? Jeff Garzik
2006-08-24 4:22 ` Richard Scobie
2006-08-24 8:19 ` Jeff Garzik
2006-08-24 20:08 ` Richard Scobie
2006-08-24 5:20 ` Chris Friesen
2006-08-24 5:25 ` H. Peter Anvin
2006-08-26 20:55 ` Dan Williams
2006-08-24 5:43 ` Mattias Wadenstein
2006-08-24 13:07 ` Adam Kropelin
2006-08-24 13:20 ` Alan Cox
2006-08-24 13:36 ` Adam Kropelin
2006-08-24 13:42 ` Gordon Henderson
2006-09-04 17:29 ` Bill Davidsen
2006-08-24 14:55 ` Mark Lord
[not found] ` <44EDB843.2020608@perkel.com>
2006-08-24 15:21 ` Alan Cox
2006-09-04 17:31 ` Bill Davidsen [this message]
2006-09-04 17:31 ` Joel Jaeggli
-- strict thread matches above, loose matches on Subject: below --
2006-08-26 3:50 linux
2006-08-26 12:18 ` Raz Ben-Jehuda(caro)
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