This page describes how to conduct common node maintenance tasks in a Merge facility.
Merge testbed facilities have a centralized node power control service called Beluga.
Beluga is an abstraction layer that hides the details of controlling the power of devices through PDU, IPMI/Redfish or hypervisor specific mechanisms.
Usage of the
beluga utility is straight forward.
cyclewill turn a node off, wait for a short period then turn it on.
offwill turn a node off
onwill turn a node on
The power status of nodes may be queried via
You can also show all available devices and what their underlying power control mechanism is.