From mboxrd@z Thu Jan 1 00:00:00 1970 From: adfas asd Subject: Re: Remote NAS Date: Tue, 29 Sep 2009 07:40:23 -0700 (PDT) Message-ID: <876107.28500.qm@web38803.mail.mud.yahoo.com> References: <200909280815.47537.tfjellstrom@shaw.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <200909280815.47537.tfjellstrom@shaw.ca> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Interesting, thanks. --- On Mon, 9/28/09, Thomas Fjellstrom wrote: > > I am puzzled by why write-mostly. Ostensibly Gb > ethernet is supposed to > > nearly equal the data transfer rate of the > controller cards, and be many > > times the speed of actual data transfer from the > drives. > > > > So shouldn't a NAS have plenty of bandwidth to > accommodate most any drive > > operations? > > My GbE lan gets about 90MiB/s, my pcie sata card has shown > upwards of > 400MiB/s. I haven't done full tests on the sata card yet, > but it clearly is > able to more than saturate a single GbE connection.