Version 8 is totally incompatable with version 7. You can not have a cluster with mix of these versions running.
Each node needs to expose the version it's running.
If a version 8 node is present in the cluster, then all other nodes need to be version 8.
Version 8 is totally incompatable with version 7. You can not have a cluster with mix of these versions running.
Each node needs to expose the version it's running.
If a version 8 node is present in the cluster, then all other nodes need to be version 8.