From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261832AbUB1HDa (ORCPT ); Sat, 28 Feb 2004 02:03:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262941AbUB1HDa (ORCPT ); Sat, 28 Feb 2004 02:03:30 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:47591 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S261832AbUB1HD3 (ORCPT ); Sat, 28 Feb 2004 02:03:29 -0500 Message-ID: <40403D33.8050106@pobox.com> Date: Sat, 28 Feb 2004 02:03:15 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030703 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bob Glamm CC: linux-kernel@vger.kernel.org Subject: Re: Adaptec 1210SA SATA Controller Performance References: <403B5B47.2030907@petermair.at> <403DAB74.1000504@pobox.com> <20040228042723.GA22033@romulus.a-s-i.com> In-Reply-To: <20040228042723.GA22033@romulus.a-s-i.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bob Glamm wrote: >>>Yesterday I've setup a server with Adaptec's 1210SA SATA Controller and >>>2 SATA disks. According to the kernel changelog the controller is >>>supported since 2.6.2 >>> >>>I've installed Debian on an IDE disk, built a 2.6.3 kernel with >>>CONFIG_SCSI_SATA_SIL, rebooted and the kernel detected the controller >>>plus both SATA disks (sda, sdb). As the next step I wanted to create a >>>software raid 1 with the 2 SATA disks. Because it took mdadm forever to >>>finish, I checked /proc/mdstat and saw a progress bar with a rate of >>>12MB/s! > > > More to the point, why didn't you just install a 2.4.18 kernel > and use the Adaptec-supplied driver and the RAID-1 capabilities > built into the card's firmware? (Note, I'm not trying to disparage > Jeff's work on libata here.) > > I have this setup and it works flawlessly with a pair of 160GB > SATA drives. There are no RAID-1 capabilities built into the card's firmware :) It's all software RAID. Jeff