For disaster recovery, we want to make use of VM snapshots for DataMiner, Cassandra and Elastic nodes. As we don’t know upfront which server will be restored on what machine (what IP addresses) we would like to make use of the DNS to point to the correct IP addresses based on hostnames. For failover, it is already possible (since 10.1.8) to use hostnames instead of IP addresses (with VIP).
Is it possible to remove all IP dependencies in DataMiner to fully support this disaster recovery use case?
I’ve tried this by using hostnames in my db.xml for a remote Cassandra and remote Elastic and this seems to work. I did use my local hosts file instead of an actual DNS server but I don’t think this should make a difference.
DMS.xml should indeed also support hostnames due to the failover with hostnames feature.