| 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@xxxxxxx> |
| Mail-copies-to: | nobody |
| Mail-followup-to: | linux-xfs@xxxxxxxxxxx |
| References: | <20031031215013.GB25822@xxxxxxx> |
| 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/
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