Applies to ONTAP 9+ Clustered ONTAP 8 Issue High CPU utilization on the node by Host Domain. Run sysstat -M 1 on the node reporting high CPU. The PS output , PS-AXRHWWW output from ASUP , Top command ...Applies to ONTAP 9+ Clustered ONTAP 8 Issue High CPU utilization on the node by Host Domain. Run sysstat -M 1 on the node reporting high CPU. The PS output , PS-AXRHWWW output from ASUP , Top command from systemshell show HostDomain driven by NPHMD process.