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Questions tagged [nova-scheduler]

nova-scheduler is a service that determines various openstack operations like dispatch compute , volume requests etc.

Compute uses the nova-scheduler service to determine how to dispatch compute and volume requests. For example, the nova-scheduler service determines on which host a VM should launch. In the context of filters, the term host means a physical node that has a nova-compute service running on it.

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Error message in nova schedule

i tried to start 5 instance on my "litle cloud". I have one controller node (tb22) with nova-api and compute. An i have one compute node (tb23). I get an error message in nova-schedule: 2014-07-09 13:00:23.858 ERROR nova.scheduler.filter_scheduler …
user229139
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openstack: changing scheduler_max_attempts nova.conf does not affect anything

I want to reduce scheduler_max_attempts in nova.conf. I changed it and restarted nova-scheduler service. Then I tried to test the change by triggering multiple vm creation at the same time. I could see that there are more number of retries happen…
Rohanil
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nova-scheduler don`t rpc.cast to nova-compute, no errors, but vm in 'scheduling' state

OpenStack Juno + OpenContrail. Ubuntu 14.04.2 LTS. 2 node setup: control+compute. Everything worked well. Delete and reinstall compute node. Now when starting new vm its stuck in 'scheduling' state. No errors in logs. With debug I see how…
Andrey Yurtaykin
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