Symptons:
Custom hostname can result in instability/Unhealthy of Hbase and Flinkcontainer services but can effect other services.
VMware vRealize Network Insight 6.9.0
Aria Operations for Networks 6.10
Aria Operations for Networks 6.11
Aria Operations for Networks 6.12
Aria Operations for Networks 6.12.1
Aria Operations for Networks 6.13.0
Changing the hostname is not supported in VMware Aria Operations for Networks until version 6.12.1.
To change back to default name, SSH to VMware Aria Operations for Networks Platform appliance and run the commands below:
For single-node setup:
sudo su
hostname vrni-platform-release
echo vrni-platform-release >/etc/hostname
Reboot the VMware Aria Operations for Networks Platform node post execution using the below command :
reboot
Post reboot, check the service status of VMware Aria Operations for Networks Platform node by logging in as 'support' user and run the below command:
ub
./check-service-health.sh -p -d
Custom hostname for VMware Aria Operations for Networks is supported from 6.12.1 onwards.
Refer to the following document: https://docs.vmware.com/en/VMware-Aria-Operations-for-Networks/services/rn/vmware-aria-operations-for-networks-release-notes/index.html