Stateless Linux
Stateless Linux is not a deployment model. It is not any single technology. It's a new way of thinking about how a system is supposed to run and be managed.
To be stateless, a system should be able to be replaced at any time, whether it's running diskless or with local storage. Hard drive crash? Just resync your remote image to a new drive, and you're good to go. Server goes offline? Start a new virtual instance running your OS image off of your network storage.
Moreover, it's about being able to run multiple machines from identical OS metadata. Instead of managing each machine independently, the single copy of the OS metadata is managed.
For more information, you might want to view the Red Hat Summit presentation .
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