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Truenas

Truenas screenshot 1

Getting Data into Grafana

  1. On Truenas Scale

    • Following exporters can be installed on truenas scale host:
      • prometheus-libvirt-exporter (Default port 9177)
      • prometheus-node-exporter (Default port 9100)
      • prometheus-node-exporter-collector
    • Disable default filesystem metrics from node-exporter by editing /etc/default/prometheus-node-exporter
      ARGS="--no-collector.filesystem"
    • add Zfs Zpool script to /usr/share/prometheus-node-exporter-collectors and make it executable
    • Create systemd files for data collections
      • /lib/systemd/system/prometheus-node-exporter-zfs.service
        [Unit]
Description=Collect ZFS Zpool metrics for prometheus-node-exporter

[Service]
Type=oneshot
Environment=TMPDIR=/var/lib/prometheus/node-exporter
ExecStart=/bin/bash -c "/usr/share/prometheus-node-exporter-collectors/zfs_zpool.sh | sponge /var/lib/prometheus/node-exporter/zfs_zpool.prom"
      • /lib/systemd/system/prometheus-node-exporter-zfs.timer
        [Unit]
Description=Run ZFS metrics collection every 15 minutes
ConditionPathExists=/usr/sbin/zfs
ConditionPathExists=/usr/sbin/zpool

[Timer]
OnBootSec=0
OnUnitActiveSec=15min

[Install]
WantedBy=timers.target

  2. On the Prometheus Node:

    • Add Scrape Config to Prometheus
          - job_name: truenas
        static_configs:
        - targets: 
            - <Truenas-scale IP/fqdn>:9100
            - <Truenas-scale IP/fqdn>:9177
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