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xen-devel
Re: [Xen-devel] Live Migration of Linux Desktop
Hi,
migrate your "desktop" between home and work, whilst maintaining a
cache of *most* disk state at both sites. It'd also be useful when
transferring a virtual machine between your desktop and your laptop,
for instance.
there are just some "little" problems:
During migration between two different platforms it can often happen,
depending on the CPU-type and actual CPU-state that the migration fails
and the VM on the destination-system crashes.
Second problem is that for migration you need a shared device for the
image. You can use the harddrive of laptop for sharing via NFS but
actually it's not very usefull because then you can directly work on the
laptop.
And the other scenario, making snapshots in some interval is not the
best idea too, because the saved CPU- and memory-state and the actual
harddisc-content you have later are out of sync. With this everything
between data-loss and machine-crash is possible!
--
Chau y hasta luego,
Thorolf
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