From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:47114) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5tHl-0006lH-QB for qemu-devel@nongnu.org; Fri, 09 Mar 2012 01:27:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S5tHj-0006Tt-PX for qemu-devel@nongnu.org; Fri, 09 Mar 2012 01:26:41 -0500 Received: from chello084112167138.7.11.vie.surfer.at ([84.112.167.138]:54512 helo=wiesinger.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S5tHj-0006Tg-Ec for qemu-devel@nongnu.org; Fri, 09 Mar 2012 01:26:39 -0500 Date: Fri, 9 Mar 2012 07:25:15 +0100 (CET) From: Gerhard Wiesinger In-Reply-To: <4F5873D6.5010008@msgid.tls.msk.ru> Message-ID: References: <4F586345.8010905@redhat.com> <4F5873D6.5010008@msgid.tls.msk.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Subject: Re: [Qemu-devel] XP install cores with SCSI LSI 53C895A disks List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Michael Tokarev Cc: Brian Jackson , Gerd Hoffmann , qemu-devel@nongnu.org On Thu, 8 Mar 2012, Michael Tokarev wrote: > On 08.03.2012 11:44, Gerd Hoffmann wrote: >> On 03/07/12 20:58, Gerhard Wiesinger wrote: >>> On Wed, 7 Mar 2012, Brian Jackson wrote: >>>> I think most people trying to use qemu for anything useful have given >>>> up on if=scsi. Some distros even disable support because they don't >>>> want to QA it. That should be a decent sign that you may want to avoid >>>> it. >>> >>> OK, but SAS (Serial attached SCSI) is technology in the area of storage >>> interface technology where all big storage vendors see future (e.g. they >>> give up: FC and SATA drives, SATA drives are replaced by MDL SATA drives >>> (SATA 7200RPM drives with SAS interface)). >> >> The problem isn't scsi. The problem is the lsi adapter. Problem #1 is >> the hardware design which makes it hard to emulate it correctly and #2 >> that you need a non-redistributable rom file to boot from it. > > #2 isn't an issue actually, at least for Debian users -- > I just patched extbook back to allow booting from scsi and > to let people some transition time to move from boot=on > syntax which was supported before 1.0 and dropped suddenly > without any warnings in 1.0, breaking people setup. I > think I'll continue shipping extboot support at least as > long as there's no native support for scsi booting in bios. What's extbook? Can you please explain a little bit the concept? Links? Or is it extboot option ROM? But currently not any more in qemu? Thnx. Ciao, Gerhard -- http://www.wiesinger.com/