From: "Prakash K. Cheemplavam" <prakashpublic@gmx.de>
To: Marcus Hartig <marcus@marcush.de>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.0-test9 /-mm3 SATA siimage - bad disk performance
Date: Sat, 15 Nov 2003 10:11:29 +0100 [thread overview]
Message-ID: <3FB5EDC1.8010805@gmx.de> (raw)
In-Reply-To: <3FB5B74E.5080707@marcush.de>
Marcus Hartig wrote:
> Hello all,
>
> with the Fedora 1 kernel 2.4.22-1.2115.nptl I get with hdparm -t
> (Timing buffered disk reads) 34 MB/sec. Its very slow for this drive.
>
> With 2.6.0-test9 and -mm3 I get around "62 MB in 3.05 = 20,31". Wow"
> Back to ~1998?
I have a similar problem: With 2.4.22-ac3 I had 37mb/sec with my Samsung
HD and 49MB/sec with IBM/Hitachi, now with 2.6 (all I tried, including
test9-mm2) I had only 20mb/sec for Samsung and about 39mb/sec for the
IBM. Motherboard is Abit NF7-S Rev2.0, as well, so same situation with
the siimage 1.06 driver. I wanted to run some dd tests as well, but it
is a real performance hit. Playing with readahead or other hdparm
options didn't help either.
Prakash
next prev parent reply other threads:[~2003-11-15 9:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-15 5:19 2.6.0-test9 /-mm3 SATA siimage - bad disk performance Marcus Hartig
2003-11-15 9:11 ` Prakash K. Cheemplavam [this message]
2003-11-15 17:54 ` Marcus Hartig
2003-11-15 18:12 ` Prakash K. Cheemplavam
2003-11-15 19:17 ` Marcus Hartig
2003-11-18 18:18 ` Prakash K. Cheemplavam
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