Check manual page of dell_powerconnect_cpu

dell_powerconnect_cpu

Author: Chris Bowlby

License: GPL

Distribution: official part of Check_MK

Supported Agents: SNMP

This check monitors the CPU load on Dell PowerConnect Switches which support the RADWARE-MIB. It will check the percentage of the CPU load for the following states:

- 1 second (the load average of when the check ran). - 60 seconds (the "average" over the last 60 seconds at the time the check occurred). - 5 minutes (the "average" over the last 5 minutes, at the time the check occurred).

A single service will be created showing the percentage of CPU use at the time the check occurred (using the 1 second load average). However, charts are created for each of the load averages, using values obtained during each execution of the service check.

The state of the check will return a WARNING value when the percentage of the 1 second load value exceeds the warning threshold, and is less then the critical threshold. If the load values exceeds the critical threshold, then it will return a CRITICAL state.

Currently, testing has been completed with the Dell PowerConnect 5448 and 5424 models, however the service check may work with other models.

Check parameters

Parameter	Type	Description
warning	int	The CPU utilization percentage at which a warning state is triggered.
critical	int	The CPU utilization percentage at which a critical state is triggered.

Performance data

Each chart uses a single variable, the CPU percentage (0..100) representing the state of the load average at the time the check occurred.

Inventory

During the inventory phase of check_mk, it will identify one service CPU, as long as the MIB defined above is supported on the switch.

Configuration variables

Variable	Type	Description
dell_powerconnect_cpu_default_levels	int, int	The Default percentage values used by the inventory checks. These variables are pre-set to (80, 90).

Examples

It is possible to over-ride the default WARNING and CRITICAL threshold values
defined above, by ensuring the following variable configuration is set in
your local main.mk file.

# Indicate warning at 50% CPU load, and indicate critical for 60%
dell_powerconnect_cpu_default_levels = (50, 60)