From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alan D. Brunelle" Subject: Re: Benchmarks: Linux Kernel RAID vs a Hardware RAID setup Date: Wed, 16 Jul 2008 14:54:16 -0400 Message-ID: <487E43D8.60106@hp.com> References: <1216130769.5633.318.camel@sam.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1216130769.5633.318.camel@sam.localdomain> Sender: linux-raid-owner@vger.kernel.org To: Ben Martin Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Ben Martin wrote: > Hi, > Apologies if posting this here is inappropriate but a recent article > of mine compares the Linux Kernel RAID code to an $800 hardware RAID > card and might be of interest to list members: > > http://www.linux.com/feature/140734 > Hi Ben - Did you do any performance testing of running /multiple/ disks through the Adaptec card w/out HW RAID enabled - for example, comparing the 4 ports on the mobo against 4 drives exported through the Adaptec card? I wonder if there are any potential bottleneck issues with the single adapter card handling 6 independent drives (when testing SW RAID) versus one exported "drive" (when testing HW RAID). Regards, Alan