From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Scobie Subject: Re: Linux Raid performance Date: Mon, 05 Apr 2010 11:24:44 +1200 Message-ID: <4BB91FBC.10504@sauce.co.nz> References: <20100331201539.GA19395@rap.rap.dk> <20100402110506.GA16294@rap.rap.dk> <4BB69670.3040303@sauce.co.nz> <4BB7856C.30808@shiftmail.org> <4BB79D76.7090206@sauce.co.nz> <4BB8A979.3020502@shiftmail.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4BB8A979.3020502@shiftmail.org> Sender: linux-raid-owner@vger.kernel.org To: MRK Cc: Mark Knecht , Learner Study , linux-raid@vger.kernel.org, keld@dkuug.dk List-Id: linux-raid.ids MRK wrote: > If this is so, the newer LSI controllers at 6.0gbit/sec could be able to > do better (they supposedly have a faster chip). Also maybe one could buy > more controller cards and divide drives among those. These two Yes, both of these would work. Someone posted previously on this list and was writing at 1.7GB/s using 10 x 15K SAS drives md RAID0. He did mention the troughput was higher with the LSI SAS2 cards, even with SAS1 port expanders connected. Regards, Richard