From owner-freebsd-hardware@FreeBSD.ORG Mon Feb 26 08:03:36 2007 Return-Path: X-Original-To: freebsd-hardware@freebsd.org Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 890A216A401 for ; Mon, 26 Feb 2007 08:03:36 +0000 (UTC) (envelope-from root@active.sk) Received: from s1.active.sk (ns.active.sk [217.67.25.9]) by mx1.freebsd.org (Postfix) with ESMTP id 407DC13C441 for ; Mon, 26 Feb 2007 08:03:36 +0000 (UTC) (envelope-from root@active.sk) Received: from localhost (localhost.active.sk [127.0.0.1]) by s1.active.sk (Postfix) with ESMTP id ADF3B5C07A for ; Mon, 26 Feb 2007 08:37:17 +0100 (CET) X-Virus-Scanned: amavisd-new at active.sk Received: from s1.active.sk ([127.0.0.1]) by localhost (mail.active.sk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Sp-NujxBuRiq for ; Mon, 26 Feb 2007 08:37:14 +0100 (CET) Received: by s1.active.sk (Postfix, from userid 0) id B4CA25C079; Mon, 26 Feb 2007 08:37:14 +0100 (CET) Date: Mon, 26 Feb 2007 08:37:14 +0100 From: MeX To: freebsd-hardware@freebsd.org Message-ID: <20070226073714.GA67880@active.sk> References: <45E1DA61.8090607@paultjuh.org> <45E2224B.9030605@fluffles.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45E2224B.9030605@fluffles.net> User-Agent: Mutt/1.4.2.2i Subject: Re: Hardware supported? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Feb 2007 08:03:36 -0000 On Mon, 2007-Feb-26 at 00:56:59 +0100, Fluffles wrote: > Onboard RAID does not really exist. The actual RAID is done by drivers; > onboard RAID is actually software RAID with a minor RAID BIOS which can > write metainformation about the array configuration and has BIOS > bootstrap support. This is also called "fake RAID". FreeBSD does support > some fake RAID metainformation though, by reading the metainfo from the > disks and assigning it's own software RAID-mechanism to it. For > information of which metainformation formats are supported, checkout the > ataraid(4) manpage: > http://www.freebsd.org/cgi/man.cgi?query=ataraid&apropos=0&sektion=4&manpath=FreeBSD+6.2-RELEASE&format=html > > If your fakeraid is called "Intel MatrixRAID", then yes FreeBSD does > detect the metainfo and you will have a "ar0" for your first fakeraid > array. You should be able to install (and boot) from fakeRAID since > there is BIOS bootstrap support. What does mean that ataraid driver can NOT write metadata format? I use NVIDIA MediaShield on SUN X2100 M2 and it seems that all works: s1# atacontrol list ATA channel 0: Master: no device present Slave: no device present ATA channel 1: Master: no device present Slave: no device present ATA channel 2: Master: ad4 Serial ATA v1.0 Slave: no device present ATA channel 3: Master: ad6 Serial ATA v1.0 Slave: no device present s1# atacontrol status ar0 ar0: ATA RAID1 subdisks: ad6 ad4 status: READY s1# pciconf -lv atapci1@pci0:5:0:class=0x010485 card=0x534c108e chip=0x037f10de rev=0xa3 hdr=0x00 vendor = 'NVIDIA Corporation' class = mass storage subclass = RAID dmesg output: ad4: 152627MB at ata2-master SATA150 ad6: 152627MB at ata3-master SATA150 ar0: 152627MB status: READY ar0: disk0 READY (master) using ad6 at ata3-master ar0: disk1 READY (mirror) using ad4 at ata2-master MeX