[Libvir] save/restore support for KVM

[Richard W.M. Jones]

Daniel P. Berrange wrote:
>> - I append the domain's UUID at the end of the migration image. 
>>   This doesn't affect KVM at all (it ignores the extra data).
>>   Does that seem reasonable?  It's unclear how the saved image
>>   is supposed to get associated with a particular VM configuration
>>   without doing something like this.
> 
> Actually I'd store the entire XML config appended to the end of the image.
> Its quite possible the saved image may be restored on a different machine
> so libvirt will need the XML config there & its not much work to automatically
> append it all & use it when restoring later.

How does this (or even _does_ this) work in the Xen case?  Does Xen save 
this info like UUID, name, etc. in the migration image?

Rich.

-- 
Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/
Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod
Street, Windsor, Berkshire, SL4 1TE, United Kingdom.  Registered in
England and Wales under Company Registration No. 03798903
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/x-pkcs7-signature
Size: 3237 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://listman.redhat.com/archives/libvir-list/attachments/20070810/fdf6010f/attachment-0001.bin>