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SubjectRe: Switching Kernels without Rebooting?
Would anyone else like to point out some other task somewhat related 
and have me do it? :-)

> > Before you even try switching kernels, first implement a process
> > checkpoint/restart. The process must be resumed after a boot
> > using the same
> > kernel, with all I/O resumed. Now get it accepted into the kernel.
> Hear, hear! That would be a useful feature, maybe not network servers,
> but for pure number crunching apps it would save people having to write
> all the state saving and recovery that is needed now for long term
> computations.

Get a computer with hibernation support. That's just about what it is.

> For bonus points, make it work for clusters to synchronously save and
> restore state for the apps running on all the nodes at once...

Bash script.

> Torrey

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