From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Scobie Subject: Re: SAS v SATA interface performance Date: Sat, 01 Dec 2007 20:43:36 +1300 Message-ID: <475110A8.5090709@clear.net.nz> References: <47506237.3000406@clear.net.nz> <47507F9A.3080109@msgid.tls.msk.ru> <20071130231705.51e056f4@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.sauce.co.nz ([210.48.49.72]:37022 "EHLO smtp.sauce.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751079AbXLAHou (ORCPT ); Sat, 1 Dec 2007 02:44:50 -0500 In-Reply-To: <20071130231705.51e056f4@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: linux-ide@vger.kernel.org Alan Cox wrote: > If you want really high performance use multiple drives, on multiple PCIE > controllers. Just make sure your backup planning of raid 1+0 setup is > done right as many drives means a lot more drive fails. Thanks again. For what it's worth, I shall be attempting this with SATA drives in a RAID 50 configuration - 2 x 8 drives, using md RAID and an 8 lane PCIe SAS HBA. Regards, Richard