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



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


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