From owner-freebsd-questions@FreeBSD.ORG Thu Jan 25 10:01:50 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CE15C16A400 for ; Thu, 25 Jan 2007 10:01:50 +0000 (UTC) (envelope-from vanev@unisoft-ltd.com) Received: from lan1.rousse.spnet.net (lan1.rousse.spnet.net [62.204.150.215]) by mx1.freebsd.org (Postfix) with SMTP id 351DA13C45A for ; Thu, 25 Jan 2007 10:01:49 +0000 (UTC) (envelope-from vanev@unisoft-ltd.com) Received: (qmail 45401 invoked by uid 98); 25 Jan 2007 09:33:47 -0000 Received: from 62.204.132.189 by border.topnet-bg.net (envelope-from , uid 89) with qmail-scanner-1.25 (clamdscan: 0.83/705. Clear:RC:1(62.204.132.189):. Processed in 0.154988 secs); 25 Jan 2007 09:33:47 -0000 X-Qmail-Scanner-Mail-From: vanev@unisoft-ltd.com via border.topnet-bg.net X-Qmail-Scanner: 1.25 (Clear:RC:1(62.204.132.189):. Processed in 0.154988 secs) Received: from unisoft.pppoe.lan1.rousse.spnet.net (HELO Vanev) (62.204.132.189) by lan1.rousse.spnet.net with SMTP; 25 Jan 2007 09:33:47 -0000 Message-ID: <000c01c74063$dfd47050$0200000a@Vanev> From: "George Vanev" To: "Ted Mittelstaedt" References: <000901c73fb4$200bb5d0$0200000a@Vanev> <007a01c7405e$ca65ef50$3c01a8c0@coolf89ea26645> Date: Thu, 25 Jan 2007 11:33:30 +0200 Organization: Unisoft Ltd MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="koi8-r"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 Cc: FreeBSD Questions Subject: Re: HP Embedded SATA RAID controller (FreeBSD 6.2) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Jan 2007 10:01:51 -0000 ----- Original Message ----- From: "Ted Mittelstaedt" To: "George Vanev" ; "FreeBSD Questions" Sent: Thursday, January 25, 2007 10:57 AM Subject: Re: HP Embedded SATA RAID controller (FreeBSD 6.2) > > Hi George! > > Common problem. The issue isn't that the FreeBSD driver cannot talk > to the SATA controller. It can do that just fine. > > The problem is that HP is using a modified metadata format on the > disk drives. > > What you need to do is go into the Proliant BIOS and DISABLE > the SATA raid. This of course means any raid arrays, mirrored or > otherwise, that you have created, cannot be used from BIOS. Just > leave the BIOS settings so that the SATA controller is enabled, but > the RAID on the SATA controller isn't. > > Then boot FreeBSD 6.2. It will see 2 disk drives. (or more or however > many you got) > > Now, if you want a raid mirror here is what you do. Load a scratch > install of FreeBSD 6.2 on the first disk. Run atacontrol to create a > mirror on both disks. This writes out a metadata format that FreeBSD's > disk driver understands. This will trash your freebsd install of course. > No problem. Reboot from the installation CD and now you will see > the 2 disks, plus ar0 (the mirror) Install to that and your all set. > > Basically the only difference between doing it HP's way by creating > the RAID from HP BIOS and doing it the FreeBSD way is that > the HP BIOS is unaware of the FreeBSD metadata format so you > cannot see or rebuild an array from BIOS that was created in > FreeBSD, and FreeBSD is unaware > of HP's metadata format so you cannot see or rebuild an array > from FreeBSD that was created in BIOS > > As far as how the actual raid mirror works, it's exactly the same. > In fact, better, since you can rebuild a FreeBSD array from > FreeBSD and it's about 10 times faster than rebuilding it from > HP's BIOS. > > Ted > > ----- Original Message ----- > From: "George Vanev" > To: "FreeBSD Questions" > Sent: Wednesday, January 24, 2007 4:35 AM > Subject: HP Embedded SATA RAID controller (FreeBSD 6.2) > > >> I have HP ProLiantML 110 G3 server. >> I am trying to install FreeBSD 6.2. >> But it doesn't seem to recognise the RAID controller. >> I don't know what exactly is the controller. >> In the hp site I didn't find anything usefull, >> except that this is "HP embedded SATA RAID controller" >> Not much, uh?! >> >> Any one could help?! >> Regards >> -- >> George Vanev >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" >> > > > Just great!!! Thanks a lot!!! But still it will use the hardware RAID controller, right?! It is not a software RAID, I hope.