zfsmon/README.md

zfsmon

zfsmon is a simple monitoring tool for ZFS. You can run it in regular intervals with cron and it will send you email notifications when

• a scrub completes
• new read/write/checksum errors occurred
• a vdev becomes degraded/offline
• you are running low on disk space

*/5 * * * * /usr/bin/zfsmon -pool tank -m name@example.com

CLI arguments

• -pool Name of the ZFS pool to monitor
• -sendmail Path to the sendmail-compatible application that sends the emails (sendmail by default)
• -m E-Mail address
• -f File to store last scan result for comparison (default: ./last_scan.yaml or /etc/zfsmon/last_scan.yaml if running as root)
• -log Log file (default: ./zfsmon.log or /etc/zfsmon/zfsmon.log if running as root)
• -space Pool fill level in percent to warn at (default: 90%)