[Fedora-xen] Re: [Xen-users] Checkpointing

[Christopher G. Stach II]

Tracy R Reed wrote:
> Christopher G. Stach II wrote:
>> Migration saves VM state and assumes that the filesystem does not
>> change.  Checkpointing would have to restore the filesystem to the same
>> point in time that the snapshot was taken of the VM.  Perhaps you could
>> swing it with CoW or something, but it doesn't work now.
> 
> So take an LVM snapshot of the filesystem also. Maintaining network
> state would seem to be the harder thing to me.
> 

There was talk of weaving Cruz into Xen:

http://www.hpl.hp.com/techreports/2005/HPL-2005-66.pdf

-- 
Christopher G. Stach II