Cinder fails to start with an Unknown command MySQL error after reboot
Bug #1297477 reported by
Dmitry Borodaenko
This bug report is a duplicate of:
Bug #1293680: [library] while Galera node is in Sync or Donor state many services are down.
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This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Fuel for OpenStack |
New
|
Medium
|
Unassigned | ||
Bug Description
After rebooting a controller, some cinder services fail to start, reporting the following error:
<154>Mar 25 17:50:52 node-20 cinder-cinder CRITICAL: (OperationalError) (1047, 'Unknown command') 'SELECT DATABASE()' ()
Looks like mysqld is running at that point (otherwise there wouldn't be anything to return this kind of error) but is not ready to serve connections until much later:
<30>Mar 25 17:50:52 node-20 mysql-wss[3414]: INFO: PIDFile /var/run/
...
<30>Mar 25 17:51:30 node-20 mysql-wss[4546]: INFO: MySQL started
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