From owner-freebsd-questions@FreeBSD.ORG Fri May 27 09:26:19 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E6C0516A41F for ; Fri, 27 May 2005 09:26:19 +0000 (GMT) (envelope-from tedm@toybox.placo.com) Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [65.75.192.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 65FFF43D58 for ; Fri, 27 May 2005 09:26:19 +0000 (GMT) (envelope-from tedm@toybox.placo.com) Received: from tedwin2k (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130]) by mail.freebsd-corp-net-guide.com (8.11.1/8.11.1) with SMTP id j4R9Qrb85370; Fri, 27 May 2005 02:26:53 -0700 (PDT) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "Olaf Greve" , "Roland Smith" , Date: Fri, 27 May 2005 02:26:10 -0700 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) In-Reply-To: <4296DF0E.8010206@axis.nl> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1478 Importance: Normal Cc: Subject: RE: DVD burners and the Adaptec 2200S RAID controller... 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: Fri, 27 May 2005 09:26:20 -0000 > -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Olaf Greve > Sent: Friday, May 27, 2005 1:49 AM > To: Roland Smith; freebsd-questions@freebsd.org > Subject: DVD burners and the Adaptec 2200S RAID controller... > > > Hi Roland, > > First off: tnx for your reply! > > > I haven't tried burning DVDs with the ATA driver. The manual page for > > growisofs says that you should use SCSI devices on OpenBSD > and NetBSD, > > but it doesn't mention FreeBSD. > > Hmmm, one would guess FreeBSD not to be very different in that > respect. > Speed is not really a concern for me, but potential data > corruption is. > I just read something about someone having had issues with an ATA DVD > drive, due to digital line-noise on the regular low cost 40-pin ATA > cable. Using an 80-pin one apparently solved it. Makes sense. > > >>I will use an Adaptec 2200S U320 RAID controller for the > harddrives, so > >>perhaps an ATA interface would be easier to configure > indepenently of > >>another SCSI device (then again: maybe not). Any advice in > that respect? > > > > > > I don't think having CAM in the kernel will make it more difficult. > > If possible, I'll try to use the generic kernel. AFAIK that covers the > 2200S. What I'm wondering about is the following: would it be possible > to use the 2200S as a regular controller for a SCSI DVD rewriter, in > combination with it running 4 drives in RAID 10 mode? > The controller has two U320 channels and allows up to 30 devices to be > connected to it. However, I'm not certain that is assuming RAID only > set-ups or whether that also allows regular SCSI devices to be > attached > to it... > > Does anyone have any experience using such a combination? > Don't do this. Leave only hard disks on the RAID array card. Most RAID cards only want disk drives on the busses anyway. Ted