Attaching DVD-writer

[Andreas Thörn]

Does anybody have a solution to my problem below, sorry for the messy thread..

> 17 apr. 2020 kl. 15:49 skrev mb425018 <andreas.thorn at bahnhof.se>:
> 
> 2020-04-17 11:37 skrev Peter Krempa:
>> [please don't top post]
>>> On Fri, Apr 17, 2020 at 10:54:24 +0200, Andreas Thörn wrote:
>>> I’ve tried that post .. but either I get a new scsi passthrough controller in device manager, but no dvd or the boot in windows hangs
>> Note that you don't have to add a scsi <controller> if you already have
>> one. You can add the drive to the existing one.
> 
> I don't have a scsi controller in my XML so I added
> 
> <controller type='scsi' index='1' model='virtio-scsi'>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
> </controller>
> 
> (0x08 is not used in the xml before)
> 
>>> Either that method won’t work anymore or my config is bad .. im not really sure what to put in controller, target, bus and unit ..
>> So there are two addresses for the <hostdev>.
>> The one under <source> should be set to the address of the CDROM drive
>> on the host. It can be obtained e.g. using lsscsi:
>> # lsscsi
>> [2:0:1:0]    disk    ATA      ST3500418AS      CC38  /dev/sda
>> [3:0:0:0]    cd/dvd  HL-DT-ST DVDRAM GH24NSB0  LN00  /dev/sr0
>> (so 'scsi_host3'(adapter) and bus='0' target='0' unit='0')
>> The second address <address type='drive> is the address on the VM's bus.
>> <address type='drive' controller='1' bus='0' target='0' unit='0'/>
>> You set 'controller' to the 'index' attribute of the <controller> you
>> want it to attach to. The 'bus' should be '0'. If you have other devices
>> on the controller, pick an unused 'target' value and 'unit' should be '0'.
> 
> And the following hostdev definition..
> 
> <hostdev mode='subsystem' type='scsi'>
>    <source>
>    <adapter name='scsi_host1'/>
>    <address type='scsi' bus='0' target='0' unit='0'/>
>    </source>
>    <readonly/>
>    <address type='drive' controller='1' bus='0' target='0' unit='0'/>
> </hostdev>
> 
> #lsscsi
> [1:0:0:0]    cd/dvd  ASUS     DRW-24D5MT       2.00  /dev/sr0
> 
> But windows won't boot .. the boot screen just keep on loading.
> 
> What I don't understand is why to passthrough as scsi and not SATA
> 
>>> Skickat från min iPad
>>>> > 17 apr. 2020 kl. 08:38 skrev Tony Brian Albers <tba at kb.dk>:
>>> >
>>> > Hi Andreas,
>>> >
>>> > This might be of some help:
>>> >
>>> > https://forums.unraid.net/topic/46887-passthrough-optical-drives/?tab=comments#comment-462290
>>> >
>>> > Unraid also uses KVM ;)
>>> >
>>> >
>>> > /tony
>>> >
>>> >> On Fri, 2020-04-17 at 07:24 +0200, Andreas Thörn wrote:
>>> >> I want to add my dvd and be able to burn dvd’s. I’ve tried every
>>> >> solution I could find, but nothing works.
>>> >>
>>> >> In my xml i have:
>>> >>
>>> >> <disk type='block' device='cdrom'>
>>> >> <driver name='qemu' type='raw'/>
>>> >> <source dev='/dev/sr0'/>
>>> >> <target dev='sdb' bus='sata'/>
>>> >> <address type='drive' controller='0' bus='0' target='0' unit='0'/>
>>> >> </disk>
>>> >>
>>> >> In my guest (windows 10) it’s shown as "QEMU QEMU DVD-ROM” .. which
>>> >> of course means I can’t burn.
>>> >>
>>> >> If anyone has a solution it would be this mailing list
>>> >>
>>> >> Thanks
>>> >> Andreas
>>> >>
>>> >>
>>> > --
>>> > Tony Albers - Systems Architect - IT Development
>>> > Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark
>>> > Tel: +45 2566 2383 - CVR/SE: 2898 8842 - EAN: 5798000792142