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From: Gerhard Wiesinger <lists@wiesinger.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Brian Jackson <iggy@theiggy.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] XP install cores with SCSI LSI 53C895A disks
Date: Fri, 9 Mar 2012 07:25:15 +0100 (CET)	[thread overview]
Message-ID: <alpine.LFD.2.02.1203090719180.22212@bbs.intern> (raw)
In-Reply-To: <4F5873D6.5010008@msgid.tls.msk.ru>

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/

  parent reply	other threads:[~2012-03-09  6:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-04 20:13 [Qemu-devel] XP install cores with SCSI LSI 53C895A disks Gerhard Wiesinger
2012-03-07  6:41 ` Gerhard Wiesinger
2012-03-07 14:51   ` Brian Jackson
2012-03-07 19:58     ` Gerhard Wiesinger
2012-03-08  7:44       ` Gerd Hoffmann
2012-03-08  8:54         ` Michael Tokarev
2012-03-08 10:07           ` Gerd Hoffmann
2012-03-09  6:28             ` Gerhard Wiesinger
2012-03-09  7:20               ` Gerd Hoffmann
2012-03-09  7:46                 ` Gerhard Wiesinger
2012-03-09  8:08                   ` Paolo Bonzini
2012-03-09  6:25           ` Gerhard Wiesinger [this message]
2012-03-09  6:18         ` Gerhard Wiesinger
2012-03-09  7:35           ` Gerd Hoffmann
2012-03-09  8:00             ` Paolo Bonzini
2012-03-09 11:50           ` Kevin O'Connor
2012-03-09 16:48       ` Brian Jackson

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