feat(zfs): add capacity metrics and Grafana dashboard

Deploy an hourly systemd timer that writes pool and dataset capacity to node_exporter's textfile collector, since --collector.zfs exposes only ARC/I-O/state. Add a provisioned 'ZFS - Pools & Datasets' dashboard with per-pool totals, per-dataset used/quota and daily growth panels.
2026-09-18 15:25:23 +02:00
parent 501671770f
commit c127336321
10 changed files with 317 additions and 1 deletions
@@ -0,0 +1,7 @@
+[Unit]
+Description=Collect ZFS pool and dataset capacity metrics
+After=zfs.target zfs-import.target
+
+[Service]
+Type=oneshot
+ExecStart={{ zfs_metrics_script_path }}