Installing and Configuring an Oracle Solaris Cluster 4.4 Environment Establishing the Global Cluster Establishing a New Global Cluster or New Global-Cluster Node Configuring Precision Time Protocol (PTP) Instead of NTP How to Configure PTP (Third Party PTP) How to Configure PTP (Third Party PTP) Assume the root role on a cluster node. On each node of the cluster, disable the NTP SMF service.phys-schost# svcadm disable ntp On each node of the cluster, ensure that the cluster software will not re-enable NTP service upon reboot of the node, which can interfere with PTP.phys-schost# /usr/bin/touch /etc/cluster/notntp