From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Brett G. Durrett" <brett@imvu.com>
Cc: "David N. Welton" <d.welton@webster.it>, linux-kernel@vger.kernel.org
Subject: Re: megaraid_sas waiting for command and then offline
Date: Thu, 26 Oct 2006 00:03:35 +0100 [thread overview]
Message-ID: <1161817415.7615.37.camel@localhost.localdomain> (raw)
In-Reply-To: <453FE9C4.1090504@imvu.com>
Ar Mer, 2006-10-25 am 15:48 -0700, ysgrifennodd Brett G. Durrett:
> After I reported an additional failure, Sumant said they were able to
> reproduce the problems with XFS but they have not seen it with EXT3.
I've seen precisely that pattern with a couple of IDE controllers. In
both cases they had problems with very large I/O requests. XFS was
generating extremely long linear reads and writes while ext3 tended to
generate nice I/O patterns but never really huge ones.
(The IDE drivers in question have since been fixed except for IT821x
where some firmware versions in raid mode still barf)
Alan
next prev parent reply other threads:[~2006-10-25 23:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 8:46 megaraid_sas waiting for command and then offline David N. Welton
2006-10-25 22:48 ` Brett G. Durrett
2006-10-25 23:03 ` Alan Cox [this message]
2006-11-13 21:40 ` Brett G. Durrett
-- strict thread matches above, loose matches on Subject: below --
2006-12-12 3:04 Joe Malicki
2006-12-12 5:24 ` Brett G. Durrett
2006-12-12 5:53 ` Joseph Malicki
2006-12-12 12:30 ` Greg Dickie
2006-12-12 18:40 ` Joe Malicki
2006-12-20 1:03 ` Brett G. Durrett
2006-09-06 17:14 Patro, Sumant
2006-09-06 20:44 ` Brett G. Durrett
2006-09-06 4:49 Brett G. Durrett
2006-09-06 14:11 ` Dave Lloyd
2006-09-06 16:04 ` Brett G. Durrett
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