check_zpool_scrub 3.0.0a2

Monitoring plugin to check how long ago the last ZFS scrub was performed.

Note: This monitoring plugin is written in Python from version 3 onwards. Earlier versions of this plugin were written in shell script. The latest version of the shell script can be retrieved via the git history.

Command line interface

usage: check_zpool_scrub [-h] [-V] [-v] [-w WARNING] [-c CRITICAL] [-p POOL]
                         [-d]

version 3.0.0a2
Licensed under the MIT.
Repository: https://github.com/Josef-Friedrich/check_zpool_scrub.
Copyright (c) 2016-2026 Josef Friedrich <[e-mail]>

Monitoring plugin to check how long ago the last ZFS scrub was performed.

options:
  -h, --help            show this help message and exit
  -V, --version         show program's version number and exit
  -v, --verbose         Increase output verbosity (use up to 3 times).
  -w, --warning WARNING
                        Interval in seconds for warning state. Must be lower
                        than -c.
  -c, --critical CRITICAL
                        Interval in seconds for critical state.
  -p, --pool POOL       Name of the pool. If this option is omitted all pools
                        are checked.
  -d, --debug           Increase debug verbosity (use up to 3 times): -D: info
                        -DD: debug. -DDD verbose

Performance data:

POOL is the name of the pool

 - POOL_last_scrub
    Time interval in seconds for last scrub.
 - POOL_progress
    Percent 0 - 100
 - POOL_speed
    MB per second.
 - POOL_time_to_go
    Time to go in seconds.

Details about the implementation of this monitoring plugin:

This monitoring plugin grabs the last scrub date from the command
'zpool status POOL'.

Project pages

• https://github.com/Josef-Friedrich/check_zpool_scrub

• https://exchange.icinga.com/joseffriedrich/check_zpool_scrub

• https://exchange.nagios.org/directory/Plugins/System-Metrics/File-System/check_zpool_scrub/details