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What scheduler should be used while using availability_zones

 

Hi,

I have two compute nodes in my setup each one is separate zones. I am using
the following setting in the nova.conf.

 scheduler_driver=nova.scheduler.simple.SimpleScheduler

But when I launch instance and specify a zone, i still see that some times
it creates the instance in the wrong zone. Could this be due to the
scheduler? What scheduler should I use for this?

I want a deterministic way to create instances in specific zones.

Thanks,
Balu

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