Commit e00621c0 authored by Ryan Goodfellow's avatar Ryan Goodfellow
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start node maintenance docs

Signed-off-by: Ryan Goodfellow's avatarRyan Goodfellow <>
parent 8dd4cfb2
id: node-maintenance
title: Node Maintenance
This page describes how to conduct common node maintenance tasks in a Merge
## Power Control
Merge testbed facilities have a centralized node power control service called
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.
beluga -h
Beluga client utility
beluga [command]
Available Commands:
cycle Cycle a device
help Help about any command
list List devices
off Turn off a device
on Turn on a device
status Get device power status
version Show beluga version
-h, --help help for beluga
Use "beluga [command] --help" for more information about a command.
- `cycle` will turn a node off, wait for a short period then turn it on.
- `off` will turn a node off
- `on` will turn a node on
The power status of nodes may be queried via `status`
You can also show all available devices and what their underlying power control
mechanism is.
beluga list
a0 ipmi
a1 ipmi
a2 ipmi
a3 ipmi
m0 minnow
m1 minnow
mc0 apc
mc1 apc
n0 apc
n1 apc
n2 apc
......@@ -33,6 +33,7 @@ module.exports = {
'Facility Operations': [
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