[fedora-virt] DVD RW under KVM guest

[Kevin Wolf]

Am 05.05.2011 14:38, schrieb Amit Shah:
> On (Thu) 05 May 2011 [14:32:56], Kevin Wolf wrote:
>> Am 05.05.2011 14:28, schrieb Amit Shah:
>>> On (Tue) 03 May 2011 [10:07:27], Kevin Wolf wrote:
>>>> Am 03.05.2011 09:09, schrieb Amit Shah:
>>>>> On (Mon) 02 May 2011 [20:04:26], Radu Borsaru wrote:
>>>>>> Hi,
>>>>>>
>>>>>> (this is the third time I'm trying to post this thread; cc-ing virt-owner for help)
>>>>>
>>>>> Has made it to the list, stripping off that CC.
>>>>>
>>>>>> I'm using Fedora 14 with KVM/QEMU virtualization.
>>>>>> I have created a XP guest that is working fine.
>>>>>> However it cannot recognize the DVD-RW that I have available for the host. It can only mount a read-only DVD (/dev/sr0).
>>>>>> If I open the details for the guest VM I cannot untick the read-only box that I can find under the storage options (it is grayed out).
>>>>>> Is there any way I can mount this DVD as a rewritable media?
>>>>>
>>>>> Currently media is only exported as read-only to the guest.  RW is
>>>>> possible, but there's no timeframe for it yet.
>>>>
>>>> Shouldn't it be possible via scsi-generic? Not sure if libvirt provides
>>>> an interface for that, though.
>>>
>>> You mean passthrough of host cdrom over the scsi layer?
>>
>> Yes, SCSI passthrough is what I mean.
> 
> Might work - don't think anyone has tested that.  Do
> libvirt/virt-manager support that?

The qemu-devel mailing list archive suggests that this was Laurent
Vivier's test case for scsi-generic, so I think at some point it has
worked at least for one configuration.

If libvirt/virt-manager support it was exactly my question, so I can't
help with that.

Kevin