The procedures in this section detail the high-level tasks required to power off an HPE Cray EX system.
To make sure that the system is healthy before power off and all the information is collected, refer to Prepare the System for Power Off.
To shut down compute nodes and User Access Nodes (UANs), refer to Shut Down and Power Off Compute and User Access Nodes.
To save management switch configuration settings, refer to Save Management Network Switch Configuration Settings.
To power off standard rack and liquid-cooled cabinet PDUs, refer to Power Off Compute and IO Cabinets.
To shut down the management Kubernetes cluster, refer to Shut Down and Power Off the Management Kubernetes Cluster.
To power off the external Lustre file system (ClusterStor), refer to Power Off the External Lustre File System.
If facility power must be removed from a single cabinet or cabinet group for maintenance, follow proper lockout-tagout procedures for the site.