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Checks ZFS health and available disk space using SNMP V2
Specify a ‘zpool’ and ‘dataset’ to check, health mode is for zpools only.
Handles TrueNAS SNMP OID’s a bit better than ‘check_smtp’ by using ‘OID.Index’.
The check is meant to be used with multiple service defines in a nagios host cfg. See Example below. Options can also be set as variables in the script itself (instead of using args).
Tested with TrueNAS CORE 12.0 U2 and 13.0-U4, should work with zVault (untested)
Current Version
20230721
Last Release Date
2025-07-21
Owner
Marius
Website
https://github.com/mkorthof/check_truenas
Download URL
https://github.com/mkorthof/check_truenas/archive/refs/heads/master.tar.gz
License
GPL
Compatible With
Requirements
– Nagios: Net-SNMP (snmpwalk, snmpget) and FREENAS-MIB.txt – TrueNAS: SNMP Service needs to be enabled, default community string is ‘public’
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