Slow OpenStack Director API calls including some services marked as Down
Issue
-In OpenStack Director, problems with DNS configuration lead to slow ironic API calls and to nova-compute service reported as down.
- nova service-list
reveals that nova-compute
is down
.
- nova hypervisor-list
shows all nodes as down
.
-Dns resolution issues.
Environment
- Red Hat Enterprise Linux OpenStack Platform 7.0
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