Users Guide

To discover Dell servers:

1. Log in to Nagios Core with Nagios administrator privileges.

2. Navigate to the directory <NAGIOS_HOME>/dell/scripts.

3. Run the Dell Server Discovery Utility with options: perl

dell_agent_free_server_discovery.pl or perl

dell_agent_free_server_discovery.pl -h

The script syntax and information on options are displayed. For more information see About Dell

Discovery Utility.

Based on your requirement do the following:

NOTE: Before running the utility, ensure that you have updated protocol related information,

for more information see About Protocol Parameters.

To discover a device using an IP address or FQDN:

• perl dell_agent_free_server_discovery.pl -H <IP address or FQDN name> –P

To discover using subnet with mask:

• perl dell_agent_free_server_discovery.pl -S <subnet with mask> –P

An example format for subnet with mask: 11.98.149.0/24

To do discover using a list of IP addresses present in a file:

• perl dell_agent_free_server_discovery.pl -F <Ip Address list file> —P

• For the -P option, Opt for a protocol:

– For SNMP, the value is 1.

– For WS-MAN, the value is 2.

4. Once the discovery utility script is run, verify the Nagios configuration by running the command

<NAGIOS_HOME>/bin/nagios -v /usr/local/nagios/etc/nagios.cfg.

5. Ensure that no errors are present and then restart Nagios Core by running the command service

nagios restart.

6. You can view the logged information in the Log file path: <NAGIOS_HOME>/var/dell/

discovery_<yyyymmddhhmiss>.dbg..

In the filename, <yyyymmddhhmiss> pertains to the time when the log information was gathered;

yyyy is the calendar year, mm is month, dd is date, hh is hour of the day, mi is minutes, and ss is

seconds.

After Completion of Discovery:

• Dell server Host definition and its service definitions are created in the Nagios server and this is

subsequently used for monitoring the Dell servers.

The discovered Dell servers and its services are displayed in the Host view and the Services view in the

Nagios console. Wait for the scheduled service to complete for the service details to be displayed.