From: Andrew Morton <akpm@osdl.org>
To: Karl Pitrich <pit@0xff.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: LSI53C1030 (Fustion MPT) performance
Date: Mon, 24 Nov 2003 11:57:07 -0800 [thread overview]
Message-ID: <20031124115707.38eb0333.akpm@osdl.org> (raw)
In-Reply-To: <1069668564.2372.127.camel@warp.fabafsc.fabagl.fabasoft.com>
Karl Pitrich <pit@0xff.at> wrote:
>
> hi,
>
> i got a new ibm intellistation z pro dual xeon (6221-49G) with on board
> Fusion MPT chipset (LSI53C1030) and fast U160 disks.
>
> 2.4.20-8 (redhat) and 2.6.0-test9-vanilla
> (each customer compiled minimal kernels)
> both yield very poor disk performance.
>
> i didn't do specific benkchmarking, but mv'ing a 3GB $HOME to another
> partition takes at least 4x the time as on my old P4 workstation with
> IDE drive.
>
> is poor performance with this controller a known problem?
> could that have to do something with smp?
>
> in 2.6.0, the driver's cvs-versions seem to match the ones in the
> sources offered by LSI for download.
> lkml-archives and google weren't all too helpful.
>
The 2.6 driver runs nicely in single-disk mode but has been reported to run
like a dog in RAID mode. I do not know if the 2.4 driver has the same problem.
next prev parent reply other threads:[~2003-11-24 19:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-24 10:09 Karl Pitrich
2003-11-24 19:57 ` Andrew Morton [this message]
2003-11-25 10:14 ` Karl Pitrich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031124115707.38eb0333.akpm@osdl.org \
--to=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=pit@0xff.at \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®