[libvirt-users] Can a VM tell what host it's on?

[Brian K. White]

On 2/2/2012 1:41 PM, Bryan Kearney wrote:
> On 02/02/2012 01:33 PM, Whit Blauvelt wrote:
>> Is there a way internal to a KVM VM to know which host it's running on?
>>
>> It could send a command via ssh to virsh on a host, and learn from that
>> whether the host currently has it running. But is there something
>> within the
>> VM itself which will reveal this?
>>
>> Thanks,
>> Whit
>
>
> I was under the impression that without some creative uses of DMI, this
> could not be done.
>
> -- bk

No idea what is or is not in the code in this regard, but as a purely 
conceptual thought, why couldn't the host elect to put a small amount of 
info, whatever the admin wishes, into the fake nvram presented to the vm 
for it's bios?

-- 
bkw