xfs
[Top] [All Lists]

Re: XFS + SMP + Software RAID 5 slow?

To: linux-xfs@xxxxxxxxxxx
Subject: Re: XFS + SMP + Software RAID 5 slow?
From: Ethan Benson <erbenson@xxxxxxxxxx>
Date: Sat, 1 Nov 2003 15:16:50 -0900
In-reply-to: <20031031215013.GB25822@dkp.com>
Mail-copies-to: nobody
Mail-followup-to: linux-xfs@xxxxxxxxxxx
References: <20031031215013.GB25822@dkp.com>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.3.28i
On Fri, Oct 31, 2003 at 04:50:13PM -0500, Andrew Klaassen wrote:
> I've been experiencing *very* slow sustained write ( < .5MB/sec)
> using 2.4.20-20.9.XFS1.3.1smp on a dual-Xeon box with a 3ware
> 7506 card in JBOD mode.  Software RAID 5.  No such problems with
> Ext3 ( > 20MB/sec sustained write) with the same kernel on the
> same software RAID 5 device.  Obviously there's something very
> wrong here.
> 
> Known issue?  Any idea what might be causing this?

make sure you use a v2 log.  man mkfs.xfs

-- 
Ethan Benson
http://www.alaska.net/~erbenson/

Attachment: pgpMQm30MYorH.pgp
Description: PGP signature

<Prev in Thread] Current Thread [Next in Thread>