Synchronize node clocks

The time must be in sync with the time set on the GUI node. If the time is not in sync, the data that is displayed in the GUI might be wrong or it does not even display the details. For example, the GUI does not display the performance data if time is not in sync.

The procedure assists to fix timing issue on a single node or on all nodes that are out of sync. The following are the corresponding event details and the proposed solution:
  • Event ID: time_not_in_sync
  • Limitation: This DMP is not available in sudo wrapper clusters. In a sudo wrapper cluster, the user name is different from 'root'. The system detects the user name by finding the parameter GPFS_USER=<user name>, which is available in the file /usr/lpp/mmfs/gui/conf/gpfsgui.properties.
  • Problem: The time on the node is not synchronous with the time on the GUI node. It differs more than 1 minute.
  • Solution: Synchronize the time with the time on the GUI node.

The system issues the sync_node_time command as given in the following format to synchronize the time in the nodes: 

usr/lpp/mmfs/gui/bin-sudo/sync_node_time <nodeName>

For example: /usr/lpp/mmfs/gui/bin-sudo/sync_node_time c55f06n04.gpfs.net