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Date: Fri, 10 Apr 2015 11:02:33 +0100
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20150410100233.GC23555@stefanha-thinkpad.redhat.com>
References: <CACaajQvQD1V4gACo15FtW4nBGHKHa+yFoJaBugdF-6-41uXBkg@mail.gmail.com>
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Subject: Re: [Qemu-devel] can't bot from scsi http cdrom
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To: Vasiliy Tolstov <v.tolstov@selfip.ru>
Cc: libvir-list@redhat.com, qemu-devel <qemu-devel@nongnu.org>


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On Mon, Apr 06, 2015 at 01:15:24PM +0300, Vasiliy Tolstov wrote:
> Hi. I'm try to boot from http cdrom and can't do that in case of scsi:
>     <disk type=3D'network' device=3D'cdrom'>
>       <driver name=3D'qemu' type=3D'raw' cache=3D'unsafe'/>
>       <source protocol=3D'http' name=3D'/vps/rescue-4.5.2'>
>         <host name=3D'xx.xx' port=3D'80'/>
>       </source>
>       <backingStore/>
>       <target dev=3D'sdb' bus=3D'scsi'/>
>       <readonly/>
>       <alias name=3D'scsi0-0-0-1'/>
>       <address type=3D'drive' controller=3D'0' bus=3D'0' target=3D'0' uni=
t=3D'1'/>
>     </disk>
>=20
> but in case of ide:
>     <disk type=3D'network' device=3D'cdrom'>
>       <driver name=3D'qemu' type=3D'raw' cache=3D'unsafe'/>
>       <source protocol=3D'http' name=3D'/vps/rescue-4.5.2'>
>         <host name=3D'xx.xx' port=3D'80'/>
>       </source>
>       <backingStore/>
>       <target dev=3D'hda' bus=3D'ide'/>
>       <readonly/>
>       <alias name=3D'ide0-0-0'/>
>       <address type=3D'drive' controller=3D'0' bus=3D'0' target=3D'0' uni=
t=3D'0'/>
>     </disk>
>=20
> all works fine.
>=20
> libvirt - 1.2.10
> qemu - 2.0.0
> seabios - 1.7.5

This is a libvirt question.  I have CCed the libvirt mailing list.

Stefan

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