From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: tape support
Date: Sat, 13 Sep 2008 17:43:18 +0300
Message-ID: <48CBD186.6070906@qumranet.com>
References: <7B7881568CF40E4388B615CD06F87B98024EE8@clara.maurer-it.com>	 <1221130881.4145.25.camel@frecb07144>  <48CB46EA.3050005@qumranet.com> <1221292888.11231.5.camel@frecb07144>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: Dietmar Maurer <dietmar@proxmox.com>, kvm@vger.kernel.org
To: Laurent Vivier <Laurent.Vivier@bull.net>
Return-path: <kvm-owner@vger.kernel.org>
Received: from il.qumranet.com ([212.179.150.194]:45038 "EHLO il.qumranet.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1750864AbYIMOpy (ORCPT <rfc822;kvm@vger.kernel.org>);
	Sat, 13 Sep 2008 10:45:54 -0400
In-Reply-To: <1221292888.11231.5.camel@frecb07144>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

Laurent Vivier wrote:

  

>> How would that work?  Won't qemu attempt to show the tape as a disk?  Or
>> does it detect this special case and passes-through the scsi device?
>>     
>
> Yes, Qemu detects it's SCSI interface and passes the SCSI commands to
> devices. But qemu ignores the type of the device but OS (linux) detects
> this as a tape (with INQUIRY).
>
> It works well for CD/DVD and disk, but I'm working with Dietmar to make
> it working with tape (commands encoding differs)... and I found some
> devices to test.
>   

Neat...

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.