Date: Thu, 12 Nov 2009 19:43:33 -0500 From: Scott Ullrich <sullrich@gmail.com> To: "Sam Fourman Jr." <sfourman@gmail.com> Cc: Rick Macklem <rmacklem@uoguelph.ca>, Dan Nelson <dnelson@allantgroup.com>, Artem Belevich <fbsdlist@src.cx>, freebsd-current@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: Help ZFS FreeBSD 8.0 RC2 Write performance issue Message-ID: <d5992baf0911121643r13a6e87bx33efa0a3ec4ef463@mail.gmail.com> In-Reply-To: <11167f520911121339y4161a1a2sae8b6196c3b7a1fb@mail.gmail.com> References: <11167f520911111050j36dd94far667c81e6f5c18e69@mail.gmail.com> <11167f520911111326v13bb442bt36e853afbecdf834@mail.gmail.com> <9bbcef730911111352t12188bdajbca71bcf35a5beb5@mail.gmail.com> <Pine.GSO.4.63.0911121147310.9126@muncher.cs.uoguelph.ca> <11167f520911121044l74744c30u5a4d9ca008ab863c@mail.gmail.com> <d5992baf0911121048o76c1543el2b4d9de84ffb107@mail.gmail.com> <11167f520911121101o403751ddmb544dfaf1c61bf1e@mail.gmail.com> <ed91d4a80911121219sa0f3fa3s934791725028a966@mail.gmail.com> <d5992baf0911121314k7f535f2cra2d3e8367774d8ca@mail.gmail.com> <11167f520911121339y4161a1a2sae8b6196c3b7a1fb@mail.gmail.com>
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On Thu, Nov 12, 2009 at 4:39 PM, Sam Fourman Jr. <sfourman@gmail.com> wrote: > if you wouldn't mind posting, what kind of NFS performance can you achieve? > > my application is office Fileserver (the clients are FreeBSD 8 > diskless PXE boot) > so idk if it is possible to achieve gigabit NFS performance. > iperf is able to get ~970mbit from a client to the NFS server. > I realize that disk i/o is the limiting factor so I bought 6x SATA2 > disks and a Areca card I was getting getting bursts up to 120Megaqbyte a sec but it would normally write at about 80MB/sec sustained. With was great for the boxes configuration. It's an old Dell 2950. Scott
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