Solaris

check_zpools.sh

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Description:

Monitoring plugin to monitor status and usage of zfs pools. Runs on multiple OS (tested on Solaris, FreeBSD, Linux, smartOS).

Current Version

20230215

Last Release Date

2023-02-15

Compatible With

  • Nagios 1.x
  • Nagios 2.x
  • Nagios 3.x
  • Nagios 4.x

Owner

Claudio Kuenzler

Website

https://www.claudiokuenzler.com/monitoring-plugins/check_zpools.php

Download URL

https://www.claudiokuenzler.com/monitoring-plugins/check_zpools.sh

License

GPL

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Project Notes
***Description*** Up to date description and full documentation: https://www.claudiokuenzler.com/monitoring-plugins/check_zpools.php This plugin is a fork of previously existing plugins from Aldo Fabi and Vitaliy Gladkevitch. Based on a comparison of existing Nagios plugins to check zfs pools (see http://www.claudiokuenzler.com/blog/345/monitor-zfs-disk-pools-nagios-plugin-comparison), the original plugin was completely rewritten for the purpose on using it independantly of the OS -> tested on Solaris, SmartOS and FreeBSD. It also offers performance data for graphing the usage. The plugin supports a warning and a critical threshold for the usage (like disk usage) on the ZFS Pool. If one of the disks in the ZFS Pool is set to DEGRADED, the plugin will return a CRITICAL status. Performance data are integrated for usage. ***History*** # 2006-09-01 Original first version # 2006-10-04 Updated (no change history known) # 2013-02-04 Forked and released # 2013-05-08 Make plugin work on different OS, pepp up plugin # 2013-05-09 Bugfix in exit code handling # 2013-05-10 Removed old exit vars (not used anymore) # 2013-05-21 Added performance data (percentage used) # 2013-07-11 Bugfix in zpool health check # 2014-02-10 Bugfix in threshold comparison # 2014-03-11 Allow plugin to run without enforced thresholds # 2016-10-12 Fixed incorrect shell quoting and typos # 2022-03-01 Merge PR #10, manually solve conflicts # 2022-05-24 Removed need for 'awk', using bash-functions instead # 2023-02-15 Bugfix in single pool CRITICAL output (issue #13) ***Tested on OS...*** - Solaris 10/11 - OpenSolaris - SmartOS - FreeBSD - Linux ***Usage*** ./check_zpools.sh -p (poolname|ALL) [-w warnpercent] [-c critpercent] ***Example Output*** ./check_zpools.sh -p ALL -w 80 -c 90 ALL ZFS POOLS OK (datapool logpool rpool)|datapool=47% logpool=38% rpool=78%
Reviews (2) Add a Review
Free space monitoring could be wrong
by vorbster, April 30, 2016

Good script, it's just I believe that free space should be monitored using something like "zfs list" because "zpool list" always shows more that actually available. Right now zpool list says following on my system: NAME SIZE ALLOC FREE pool0 5.33T 4.27T 1.06T But "zfs list" shows less: NAME USED AVAIL pool0 4.76T 494G


did some changes
by xrated, January 31, 2014

The script itself works, there was only an exception on FreeBSD where no which cmd is available in bash. I completely rewrote the script to add warning/critical with free space in G. Nagios Exit Parameters were not defined, added also some additional checks for arguments. When warn/crit was not specified it will just look if the pool is ONLINE. http://pastebin.com/j6AvtKPk


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