Troubleshooting Multi-AZ deployments
Troubleshoot various scenarios which you might encounter while deploying Multi-AZ on your Cloudera Operational Database environment.
Unable to join the cluster automatically
Condition
HBase Region Servers do not join the cluster automatically after the availability zones are recovered.
Cause
The availability zones and servers are offline for too long and the Master and Region Server processes are stopped.
Solution
- Log in to Cloudera Manager.
- Restart the Master and Region Server processes.
OMID service fails to recover
Condition
OMID service is failing to recover after the availability zones are down.
Cause
Root cause of this problem is yet to be identified.
Solution
- Log in to Cloudera Manager.
- Restart the OMID service.
