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Date: Thu, 24 Mar 2005 09:23:19 +0100
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Hiroki Sato <hrs@FreeBSD.org>
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Subject: Re: strange error of GEOM_RAID3 on RELENG_5
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On Thu, Mar 24, 2005 at 11:43:58AM +0900, Hiroki Sato wrote:
+> Hi,
+>=20
+> Pawel Jakub Dawidek <pjd@freebsd.org> wrote
+>   in <20050323204843.GR591@darkness.comp.waw.pl>:
+>=20
+> pj> Thanks for the report, but I'm not able to reproduce it here.
+> pj> Could you increase debug level to 3 and rerun the command which fail=
s?
+>=20
+>  Yes, here is a log with kern.geom.raid3.debug=3D3:
+>=20
+>  # dd if=3D/dev/zero of=3D/dev/raid3/data bs=3D1024 count=3D2
+>  GEOM_RAID3[3]: Sending request. ad2s1a[WRITE(offset=3D512, length=3D512=
)]
+>  GEOM_RAID3[3]: Sending request. ad4s1a[WRITE(offset=3D512, length=3D512=
)]
+>  GEOM_RAID3[3]: Sending request. ad6s1a[WRITE(offset=3D512, length=3D512=
)]
+>  GEOM_RAID3[3]: Regular request done (error=3D1). ad2s1a[WRITE(offset=3D=
512, length=3D512)]
+>  GEOM_RAID3[3]: Regular request done (error=3D1). ad4s1a[WRITE(offset=3D=
512, length=3D512)]
+>  GEOM_RAID3[3]: Regular request done (error=3D1). ad6s1a[WRITE(offset=3D=
512, length=3D512)]
[...]

EPERM?? Are you sure that doing (when raid3 is not configured):

	# dd if=3D/dev/zero of=3D/dev/ad2s1a skip=3D1 count=3D1

works?

If it works, please try this patch and show me the output once again:

	http://people.freebsd.org/~pjd/patches/g_raid3.c.2.patch

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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