On 13/11/14 09:31, Jastrzebski, Michal wrote:
Guys, I don't think we want to get into this cluster management mud. You say 
make observer...and what if observer dies? Do we do observer to observer? And 
there is split brain. I'm observer, I've lost connection to worker. Should I 
restart a worker?
Maybe I'm one who lost connection to the rest of the world? Should I resume 
task and risk
duplicate workload?

I think you're misinterpreting what we mean by "observer". See https://wiki.openstack.org/wiki/Heat/ConvergenceDesign

- ZB

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