Issue Cluster Session Manager (CSM) handles communication over the cluster network. On capable platforms, CSM relies on RDMA as the underlying transport protocol. If CIFS workloads are run over CSM RD...Issue Cluster Session Manager (CSM) handles communication over the cluster network. On capable platforms, CSM relies on RDMA as the underlying transport protocol. If CIFS workloads are run over CSM RDMA and then a cluster port is brought down or a cluster cable is removed, the CSM session may get destroyed and impact CIFS access.