[Openstack] a problem with nova scheduler

Li Ma skywalker.nick at gmail.com
Thu Oct 17 00:35:36 UTC 2013

Hi all,

I encountered a problem with nova-scheduler. Given that I have 20 different
compute nodes, I need to run several instances on a certain compute node
for testing or verification. I go through all the scheduling algorithms and
find out I can achieve this by availability zone.

But this is a little bit weird to create more than 20 availability zone
with only one compute node temporarily. Is there any other solutions for

In my opinion, there should be a certain parameter with nova CLI to specify
which compute node this instance should be placed directly without any
scheduling. Using this method, I can bypass the scheduling options defined
in the nova.conf and do what we want to meet the specific requirements.


Li Ma (Nick)

Email: skywalker.nick at gmail.com
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