synology-nagios-plugin

A simple Nagios Plugin which checks the health of a Synology NAS It checks the following items:

• System status (Power, Fans)
• Disks status
• RAID (Volumes) status
• DSM update status
• Temperatures
• Storage usage
• UPS informations

exensio GmbH Blog

This repositroy is created for the blogpost: Synology DiskStation per SNMP überwachen

Requirements

The SNMP agent on the NAS has to be activated.

Command Line Usage

./check_snmp_synology [OPTION] -u [user] -p [pass] -h [hostname]
options:
-u [snmp username] Username for SNMPv3
-p [snmp password] Password for SNMPv3

-2 [community name]   Use SNMPv2 (no need user/password) & define community name (default public)

-W [warning temp] Warning temperature (for disks & synology) (default 50)
-C [critical temp] Critical temperature (for disks & synology) (default 60)

-w [warning %] Warning storage usage percentage (default 80)
-c [critical %] Critical storage usage percentage (default 95)

-U Show informations about the connected UPS (default no)
-f PerfData - print performance data for temperature and storage usage percentage (default no)
-v Verbose - print all informations about your Synology (default no)
-d Check DSM Version - check if an update for DiskStation Manager is available (default no)

Nagios Plugin Configuration

My commands.cfg looks like this:

define command {
  command_name                   check_snmp_synology
  command_line                   $USER2$/check_snmp_synology -2 $ARG1$ -v -h $HOSTADDRESS$ -f -W $ARG2$ -C $ARG3$ -w $ARG4$ -c $ARG5$
}

And my services.cfg looks like this:

define service {
  service_description            check_snmp_synology_demo
  host_name                      demo_host
  use                            check_mk_active
  check_command                  check_snmp_synology!public!45!48!85!90
}

Based on

This plugin has been originally published by [Nicolas Ordonez] (mailto:nicolas.ord@gmail.com) on [https://exchange.nagios.org] (https://exchange.nagios.org/directory/Plugins/Network-and-Systems-Management/Others/Synology-status/details)