Re: ICH5 with 2.6.1 very slow

From: Martin Schlemmer
Date: Sun Feb 15 2004 - 14:24:37 EST


On Sun, 2004-02-15 at 21:19, Bartlomiej Zolnierkiewicz wrote:
> On Sunday 15 of February 2004 19:48, Kyle wrote:
> > today since one of my mirrored harddisk (/dev/hda) failed, I removed it
> > from md-raid1 and now /dev/hdc becomes /dev/hda
> >
> > hdparm -t /dev/hda gets me ~37MB/s now (before: /dev/hda - 30MB/s,
> > /dev/hdc - 37MB/s)
> >
> > maybe there's problem with /dev/hda so it's relatively slower!
> >
> > However, the result still much slower than kernel 2.4.20 (55MB/s)
>
> Please fill bugzilla entry (htp://bugzilla.kernel.org)
> and attach 'dmesg' and 'lspci -vvv -xxx' outputs for 2.4.20 and 2.6.x.
>
> It would be also helpful to narrow down the issue to kernel version when
> this slowdown started (2.4.20 -> 2.6.x means too much changes to anybody
> sane to even start thinking about going through all of them).
>

Also a hdparm -i /dev/hda might help I guess (as the small default
read-ahead causes this for many users)

--
Martin Schlemmer

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