Applies to ONTAP 9 MetroCluster IP AFF A220 AFF A250 Remote direct memory access (RDMA) Internet Wide Area RDMA Protocol (iWARP) Issue High latency on NFS/CIFS Volumes up to 10ms+ High NVRAM transfer ...Applies to ONTAP 9 MetroCluster IP AFF A220 AFF A250 Remote direct memory access (RDMA) Internet Wide Area RDMA Protocol (iWARP) Issue High latency on NFS/CIFS Volumes up to 10ms+ High NVRAM transfer latency on AFF A220 and AFF A250 nodes configured as MetroCluster IP Increased latency observed on WRITE operations post ONTAP upgrade Data analysis shows high iWARP latency
