From: Matt Domsch <Matt_Domsch@dell.com>
To: Sylvain COUTANT <sylvain.coutant@illicom.com>
Cc: "'Tom Sightler'" <ttsig@tuxyturvy.com>,
"'Linux-Kernel'" <linux-kernel@vger.kernel.org>
Subject: Re: High CPU usage (up to server hang) under heavy I/O load
Date: Mon, 16 Aug 2004 07:43:54 -0500 [thread overview]
Message-ID: <20040816124354.GA3786@lists.us.dell.com> (raw)
In-Reply-To: <20040815203153.3EB913074E@illicom.com>
On Sun, Aug 15, 2004 at 10:30:57PM +0200, Sylvain COUTANT wrote:
> > What driver are you using for the PERC?
>
> Megaraid "2". As far as I know, in newer kernels, this is the only one
> compiled in. We have had several problems with the previous one. Also, Matt
> Domsch's page state the exact versions you need depending on your system.
>
> Our 1750's work very well using RAID PERC4/DI under 2.4.26's megaraid
> driver. Although they are not really stressed ...
>
> > I've been wanting to try the 'megaraid2' driver
>
> Hopefully, Matt will send his advice on the subject, but I think you should
> try this asap.
All PERC4-series adapters should really use 'megaraid2' in 2.4.x, and
as far as we know, megaraid2 handles all previous LSI-based adapters
just fine too. In 2.6.x, there is only one driver 'megaraid', which
is the megaraid2 code base - no need for an older driver there.
Thanks,
Matt
--
Matt Domsch
Sr. Software Engineer, Lead Engineer
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com
next prev parent reply other threads:[~2004-08-16 12:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-13 14:01 High CPU usage (up to server hang) under heavy I/O load Sylvain COUTANT
2004-08-13 15:36 ` Matt Domsch
2004-08-13 15:46 ` Sylvain COUTANT
2004-08-14 3:39 ` Tom Sightler
2004-08-15 9:11 ` Lenar Lõhmus
2004-08-15 20:30 ` Sylvain COUTANT
2004-08-16 12:43 ` Matt Domsch [this message]
2004-08-13 16:20 ` Marcelo Tosatti
2004-08-13 17:53 ` Sylvain COUTANT
2004-08-16 10:11 ` Sylvain COUTANT
2004-08-16 11:49 ` Sylvain COUTANT
2004-08-13 22:16 ` Alan Cox
2004-08-16 9:13 ` Mark Watts
2004-08-16 10:57 ` Alan Cox
2004-08-16 12:10 ` Mark Watts
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