Monitoring The Hardware; Monitoring The Cooling Fans In A Junos Space Appliance - Juniper Junos Space JA2500 Hardware Manual

CHAPTER 8

Monitoring the Hardware

Monitoring the Cooling Fans in a Junos Space Appliance

Purpose
Action
Copyright © 2014, Juniper Networks, Inc.
Monitoring the Cooling Fans in a Junos Space Appliance on page 75
Monitoring the Power Supply in a Junos Space Appliance on page 77
Monitoring the RAID Array for the JA2500 Junos Space Appliance on page 78
For optimal cooling of the Junos Space appliance, verify the condition of the fans.
NOTE: This topic applies to the Junos Space JA1500 and Junos Space JA2500
appliances; each appliance has two hot-swappable cooling fans.
Monitor the status of the fans. The cooling fans work in unison to cool the appliance
components. An alarm is triggered when a fan fails and the Hardware Fault LED on the
appliance front panel starts blinking. When one fan fails, the remaining fan begins to run
at full speed.
To monitor the fans, do the following:
Log in to the appliance as the admin user.
1.
The Junos Space Settings Menu appears.
Type 6 , which is the (Debug) run shell
2.
You are prompted to enter your password.
Type the password for the admin user and press Enter.
3.
You are taken to the shell.
To view the status of the cooling fans, execute the following command:
4.
[root@host ~]# sensors
NOTE: The Junos Space installer automatically sets up the
Linux-monitoring sensors (lm_sensors) and configures lm_sensors to run
at startup.
option.
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