"objstore.host.unresolvable" errors received on on-prem cluster after deleting CBS configuraton from Cloud Manager
Applies to
- ONTAP 9.8 and higher
- Cloud Backup Service (CBS)
- Cloud Volumes ONTAP (CVO)
Issue
After removing CBS configuration and deleting the bucket from Cloud, the 
event log of the on-prem cluster is flooded with Object-store server host name cannot be resolved to an IP address and DNS forward lookup procedure failed errors:Mon Feb 28 00:38:45 +0100 [node01: OscHighPriThreadPool: objstore.host.unresolvable:error]: Object-store server host name "<hostname>" cannot be resolved to an IP address on node <UUID>.
Mon Feb 28 00:38:45 +0100 [node01: secd: secd.unexpectedFailure:debug]: vserver (admin) Unexpected failure. Error: DNS forward lookup procedure failed   [ 91 ms] Entry for host-name: <hostname> not found in any of the available sources **[    92] FAILURE: Hostname lookup failed with error: hostname nor servname provided, or not known