Linked by Thom Holwerda on Mon 30th Nov 2009 23:45 UTC
Oracle and SUN Yesterday (today if you're in the US), Sun released the latest version of its virtualisation solution, VirtualBox 3.1. Among speed improvements and other smaller features, the biggest news is that Virtualox 3.1 introduces something called teleportation: you can move running VMs between machines - servers or clients, different architectures, different host operating systems, it doesn't matter to VirtualBox. Coincidentally, this reminded me of an idea I once had about moving running applications between machines.
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Would you really want to try and migrate a 10 GB OS+apps VM image? Even if you trimmed it down to the bare essentials, it would still be more than just moving the used RAM around.

Actually, not. I do prefer to have an outage of a couple of hours and make a clean migration.
My question was to understand the process itself. You did me a good solution. Thanks.

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