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docs(zfs): link pool capacity metric to Grafana alerts

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2026-09-18 18:35:04 +02:00
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roles/zfs/README.md
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@@ -57,6 +57,9 @@ otherwise.
These feed the **ZFS - Pools & Datasets** Grafana dashboard. node_exporter's These feed the **ZFS - Pools & Datasets** Grafana dashboard. node_exporter's
built-in `--collector.zfs` exposes ARC, I/O and pool state only, not capacity. built-in `--collector.zfs` exposes ARC, I/O and pool state only, not capacity.
`zfs_pool_capacity_percent` also drives Grafana capacity alerts (80/90/95%
tiers) to ntfy, provisioned by the `grafana` role — see `roles/grafana/README.md`.
Tunables (`defaults/main.yml`): `zfs_metrics_enabled`, `zfs_metrics_dir`, Tunables (`defaults/main.yml`): `zfs_metrics_enabled`, `zfs_metrics_dir`,
`zfs_metrics_script_path`, `zfs_metrics_interval`. `zfs_metrics_script_path`, `zfs_metrics_interval`.