[Beowulf] openMosix ending

Geoff Galitz geoff at galitz.org
Mon Jul 16 14:51:40 EDT 2007


>
> Yeah, but it has nearly always had a few tragic flaws.  One was that it
was always basically a hack of a specific kernel version and image,
meaning that if you used it you were outside of a working kernel update
stream.  The second was that it was basically a hack of a specific
kernel version and image at all, where one really would prefer a tool
that did the same thing outside of kernel space (like Condor, for
example).  It survived those flaws, of course -- but it cannot survive
the advent of virtualization, which will provide new pathways for this
sort of thing to be done with far greater ease and stability.
>



The lack of kernel supported checkpointing capabilities in the linux 
kernel is
something that  has baffled me or a while.  I wonder if  it was ever
submitted
and then rejected?  It seems a natural fit for many organizations.  Are there
hardware limitations in the x86 world?

Modern x86 virtualization is great for the most part, but moving around
entire VM images rather than a group of threads seems a little... kludgy.
Mind you, I'm a big proponent of virtualization due the positives it
provides.

-geoff




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