From mboxrd@z Thu Jan 1 00:00:00 1970 From: Asdo Subject: Re: xfs > md 50% write performance drop on .30+ kernel? Date: Tue, 13 Oct 2009 16:30:18 +0200 Message-ID: <4AD48EFA.50303@shiftmail.org> References: <66781b10910120958k4afb637ejba79e4c23900c4da@mail.gmail.com> <20091013013352.GA24869@infradead.org> <66781b10910130406s4119985fg5db7679a2e9fd4f2@mail.gmail.com> <70ed7c3e0910130409r1e1350b6yabfdc3d4f5c51edf@mail.gmail.com> <66781b10910130412x309d9de2l574ba12a9ed4100a@mail.gmail.com> <70ed7c3e0910130415k4da86d18kd92dce5217b8600d@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <70ed7c3e0910130415k4da86d18kd92dce5217b8600d@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: mark delfman Cc: LinuxRaid List-Id: linux-raid.ids > On Tue, Oct 13, 2009 at 2:12 PM, mark delfman > wrote: > >> We upgrading mainly because of support for the emerging LSI SAS2 cards >> (which we are beta testing now) >> What is this LSI SAS2 card you have with 10+ ports? The only 10+ ports LSI card I see is the 84016E and it is a SAS1. You say the driver for such card is included in the vanilla kernel at 2.6.30? That would be very nice... I grepped the 2.6.31 kernel source for LSI cards but I can't find device strings such as 84016E ... Thank you