Xen users - May 2005 - Questions regarding resource isolation, ''rebuilding''.

Hey all,
1. How does multiple installs (domains?) of Xen work on a single machine
(say single-CPU for ease of converstation)?  Specifically, if an
application(s) of one domain spikes the CPU to 100% utilization and
stays there, how does this effect the other domains?  

I''m asking this question in the context of multiple applications
running
on a single box and the stability of this configuration (even if the
applications themselves are not stable).

2. Can you ''mirror'' or backup a domain(s) in such a way that
if the
physical machine goes down, it is relatively simple to get another
physical machine up and running with those same domains?


Thanks, hopefully these can be added to the FAQ :-)

-D


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