From: Brad Campbell <brad@wasp.net.au>
To: "Vladimir I. Umnov" <uvi@ezmail.ru>
Cc: linux-raid@vger.kernel.org
Subject: Re: Raid-0 speed
Date: Thu, 26 Aug 2004 08:36:09 +0400 [thread overview]
Message-ID: <412D68B9.2080304@wasp.net.au> (raw)
In-Reply-To: <20040825211158.1242221a@vovapc.kpml.int>
Vladimir I. Umnov wrote:
>>Also, doing a dd from 4 drives maxes out my read speed as per mdstat
>>at 160MB/s (How? PCI is 133MB/s and according to lspci all my
>>controllers are on the same bus). Does vmstat lie?
>
> NO! PCI 2.3 can about 512 MB/s
Ok then. Umm so for a 32 bit bus at 33Mhz I'm maxing out my PCI bandwidth.
An Asus A7V600 motherboard does not do PCI 2.3
next prev parent reply other threads:[~2004-08-26 4:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-25 5:05 Raid-0 speed Brad Campbell
2004-08-25 6:09 ` Daniel Pittman
2004-08-26 9:54 ` Brad Campbell
2004-08-26 16:41 ` Guy
2004-08-26 16:45 ` Brad Campbell
2004-08-25 17:11 ` Vladimir I. Umnov
2004-08-26 4:36 ` Brad Campbell [this message]
2004-08-27 23:35 ` Guy
2004-08-28 0:05 ` Neil Brown
2004-08-28 2:38 ` Guy
2004-08-28 4:27 ` Mikael Abrahamsson
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