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Sender: "Alastair D'Silva" <alastair@newmillennium.net.au>
To: "'Lukas Ertl'" <le@FreeBSD.org>
Date: Mon, 8 Nov 2004 07:58:32 +1100
Organization: New Millennium Networking
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cc: 'Greg 'groggy' Lehey' <grog@FreeBSD.org>
cc: freebsd-current@FreeBSD.org
Subject: RE: Gvinum RAID5 performance
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> -----Original Message-----
> From: owner-freebsd-current@freebsd.org 
> [mailto:owner-freebsd-current@freebsd.org] On Behalf Of Lukas Ertl
> Sent: Sunday, 7 November 2004 9:41 PM
> To: freebsd@newmillennium.net.au
> Cc: 'Greg 'groggy' Lehey'; freebsd-current@FreeBSD.org
> Subject: RE: Gvinum RAID5 performance
> 
> > It seems we are holding back all requests to a currently active 
> > stripe, even if it is just a read and would never write 
> anything back.
> 
> No, only writes are held back.  pbp->bio_driver1 is NULL when it's a 
> normal read.

Ok, my bad. I'll keep looking to see where the bottleneck is.

-- 
Alastair D'Silva           mob: 0413 485 733
Networking Consultant      fax: 0413 181 661
New Millennium Networking  web: http://www.newmillennium.net.au