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Date:      Thu, 2 Aug 2007 11:56:47 -0400 (EDT)
From:      Rick Macklem <rmacklem@uoguelph.ca>
To:        Patrick Tracanelli <eksffa@freebsdbrasil.com.br>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: Xsan (Apple) on FreeBSD
Message-ID:  <Pine.GSO.4.63.0708021152440.25296@muncher>
In-Reply-To: <46B1EDCC.2080803@freebsdbrasil.com.br>
References:  <46B0F505.8090102@freebsdbrasil.com.br> <a969fbd10708011502n5dd8034m7cc0abef3a62c5e6@mail.gmail.com> <46B10798.5050504@freebsdbrasil.com.br> <200708011536.37926.matt@ixsystems.com> <46B12D0C.20808@freebsd.org> <46B1D167.4030206@freebsdbrasil.com.br> <Pine.GSO.4.63.0708021011570.10381@muncher> <46B1EDCC.2080803@freebsdbrasil.com.br>

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On Thu, 2 Aug 2007, Patrick Tracanelli wrote:

>
> But delegation feature would not fit in an enviroment where we have two 
> systems accessing the server (same shares, or even the whole nfs4 root), so 
> parallel nfs4 usage cant count on this feature :/
>
I'm not sure what you are saying. Delegations are "per file". If you are
read/write sharing the same file across multiple clients then, yes,
delegations won't help your case.

Btw, if your disks are 100% busy, there isn't much you can do except 
spread the load across more drives on the NFS server, to get better NFS 
perf, imo.

rick.





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