Because NDMP session limits are per-node, operating NDMP in node-scoped mode will ensure the maximum number of sessions per-node can be utilized, assuming the volumes being backed up are evenly spread...Because NDMP session limits are per-node, operating NDMP in node-scoped mode will ensure the maximum number of sessions per-node can be utilized, assuming the volumes being backed up are evenly spread between nodes in the cluster. Use system services ndmp probe if in node-scoped mode or vserver services ndmp probe along with the NDMP session ID from the previous command to find more data about an NDMP session.