From: Kallol Biswas <kallol@nucleodyne.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Performance figure for sx8 driver -- More information
Date: 08 Jun 2005 23:11:52 -0700 [thread overview]
Message-ID: <1118297512.9632.2.camel@driver> (raw)
In-Reply-To: <20050608212425.8951j70kxbwpcs8c@www.nucleodyne.com>
The linux driver from Promise gets much better performance than sx8
on 2.6.6 (back port) kernel. The 2.6 Promise driver uses SCSI framework.
On Wed, 2005-06-08 at 18:24, kallol@nucleodyne.com wrote:
> Does anyone have performace figure for sx8 driver which is for promise SATAII150
> 8 port PCI-X adapter?
>
> Someone reports that on a platform with sx8 driver, multiple hdparms on
> different disks those are connected to the same adapter (there are 8 ports) can
> not get more than 45MB/sec in total, whereas a SCSI based driver for the same
> adapter gets around 150MB/sec.
>
> Any comment on this?
>
>
> Kallol Biswas
> www.nucleodyne.com
> kallol@nucleodyne.com
> -
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prev parent reply other threads:[~2005-06-09 6:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-09 1:24 Performance figure for sx8 driver kallol
2005-06-09 6:09 ` Jeff Garzik
2005-06-10 14:30 ` kallol
2005-06-10 14:39 ` kallol
2005-06-09 6:11 ` Kallol Biswas [this message]
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