From: Nathan Scott <nathans@sgi.com>
To: "Kevin P. Fleming" <kpfleming@backtobasicsmgmt.com>
Cc: "Linus Torvalds" <torvalds@osdl.org>,
"Jens Axboe" <axboe@suse.de>,
"David Martínez Moreno" <ender@debian.org>,
"Kernel Mailing List" <linux-kernel@vger.kernel.org>,
clubinfo.servers@adi.uam.es, "Ingo Molnar" <mingo@elte.hu>,
"Neil Brown" <neilb@cse.unsw.edu.au>
Subject: Re: Errors and later panics in 2.6.0-test11.
Date: Fri, 5 Dec 2003 14:20:23 +1100 [thread overview]
Message-ID: <20031205032023.GB1693@frodo> (raw)
In-Reply-To: <3FCE1C87.2050006@backtobasicsmgmt.com>
On Wed, Dec 03, 2003 at 10:25:27AM -0700, Kevin P. Fleming wrote:
> Linus Torvalds wrote:
>
> >The ones I've seen seem to be raid-0, but Nathan (nathans@sgi.com)
> >reported problems in RAID-5 under load. I didn't decode the full oops on
> >that one, but it really looked like a stale "bi" bio that trapped on the
> >PAGE_ALLOC debug code.
>
> The problem I reported was also with RAID-5, and I have also found a
> problem similar to Nathan's (probably the same one) by just trying to
> run bonnie++ on an XFS filesystem on DM over RAID-5, even after
> formatting the XFS filesystem to forcibly align everything to RAID-5
> stripes (64K units).
FWIW, this doesn't align _everything_ (space allocations done
through the XFS allocator are influenced, which means "most")
-- log IO is still going to be sector aligned, as are any IOs
to the four XFS allocation group header metadata structures.
cheers.
--
Nathan
next prev parent reply other threads:[~2003-12-05 3:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-03 13:17 Errors and later panics in 2.6.0-test11 David Martínez Moreno
2003-12-03 13:31 ` William Lee Irwin III
2003-12-03 16:49 ` David Martínez Moreno
2003-12-03 15:59 ` Linus Torvalds
2003-12-03 16:20 ` Jens Axboe
2003-12-03 16:26 ` Jens Axboe
2003-12-03 16:51 ` Linus Torvalds
2003-12-03 17:25 ` Kevin P. Fleming
2003-12-05 3:20 ` Nathan Scott [this message]
2003-12-05 3:49 ` Kevin P. Fleming
2003-12-03 20:09 ` Neil Brown
2003-12-04 6:39 ` Nathan Scott
2003-12-03 20:04 ` Neil Brown
2003-12-03 20:11 ` Linus Torvalds
2003-12-03 16:47 ` David Martínez Moreno
2003-12-03 17:25 ` Linus Torvalds
2003-12-04 12:43 ` Jens Axboe
2003-12-04 14:07 ` Jens Axboe
2003-12-04 14:14 ` Jens Axboe
2003-12-05 3:07 ` Neil Brown
2003-12-05 4:31 ` Kevin P. Fleming
2003-12-05 4:32 ` Nathan Scott
2003-12-04 12:53 ` David Martínez Moreno
2003-12-12 18:38 ` David Martínez Moreno
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