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Re: [libvirt] [PATCHv4 3/4] VMX: Add support for 'auto detect' fileNames

On 09/09/2013 07:48 PM, Doug Goldstein wrote:
> VMWare Fusion 5 can set the CD-ROM's device name to be 'auto detect' when
> using the physical drive via 'cdrom-raw' device type. VMWare will then
> connect to first available host CD-ROM to the virtual machine upon start
> up according to VMWare documentation. If no device is available, it
> appears that the device will remain disconnected.
> To better model this a CD-ROM that is marked as "auto detect" when in
> the off state would be modeled as the following with this patch:
>   <disk type='block' device='lun'>
>     <source startupPolicy='optional'/>
>     <target dev='hda' bus='ide'/>
>     <address type='drive' controller='0' bus='0' target='0' unit='0'/>
>   </disk>
> Once the domain transitions to the powered on state, libvirt can
> populate the remaining source data with what is connected, if anything.
> However future power cycles, the domain may not always start with that
> device attached.
> ---


Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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