880Short distance partnership using RDMA has insufficient
connectivity to the partnered system.
Explanation
All or few RDMA sessions on the node that is involved in Short distance partnership
using RDMA are in disconnected state.
User response
All the sessions from the node to remote cluster should be in a connected state.
Check if IP addresses are properly configured and reachable. User can check reachability by
svctask ping command using source and destination IP addresses in the
disconnected session.
Check the configuration of the routers and firewall to ensure that the port 21456 is not
blocked.