Date: Thu, 2 Aug 2007 10:18:24 -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.4.63.0708021011570.10381@muncher> In-Reply-To: <46B1D167.4030206@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>
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On Thu, 2 Aug 2007, Patrick Tracanelli wrote: > BTW, what about NFS4? Is performance improvement a goal, or just > security/kerberos/auth stuff? I have been running NFS4 with gssd, which shall > decrease performance. Ill do some benching without gssd comparing to NFS3. > There is a feature (Delegations) in NFSv4 that I think will help a lot w.r.t. performance (it essentially gives a client exclusive rights to a file). However, to the best of my knowledge, none of the extant clients are using it effectively. (Solaris10 shipped with minimal delegation support.) I am just testing Delegation stuff, so I should know soon how much it helps performance. But a production quality implementation of NFSv4 with delegations (client side) isn't out there at this point, from what I know. rick
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