Sys-ctl-hlth-btrfs Role

Description: Scheduled health check for Btrfs filesystems that alerts on non-zero device error counters

Variables

  • author: Kevin Veen-Birkenbach

  • description: Scheduled health check for Btrfs filesystems that alerts on non-zero device error counters

  • company: Kevin Veen-Birkenbach https://www.veen.world

  • license: Infinito.Nexus Community License (Non-Commercial)

  • min_ansible_version: 2.9

  • platforms: [{‘name’: ‘ArchLinux’, ‘versions’: [‘all’]}, {‘name’: ‘Debian’, ‘versions’: [‘all’]}, {‘name’: ‘EL’, ‘versions’: [‘all’]}, {‘name’: ‘Fedora’, ‘versions’: [‘all’]}, {‘name’: ‘Ubuntu’, ‘versions’: [‘all’]}]

  • galaxy_tags: [‘monitor’, ‘btrfs’, ‘health’, ‘systemd’, ‘filesystem’]

README

sys-ctl-hlth-btrfs

Description

Checks the health of all mounted Btrfs filesystems by inspecting device error counters.

Overview

This role health-check for Btrfs filesystems, alerts on any device error counters.

Cosmos

The diagram places sys-ctl-hlth-btrfs in the Infinito.Nexus cosmos: the components it deploys (capabilities), the central services it consumes (dependencies), and its outward reach (federation and bridged external networks).

flowchart LR
    subgraph role [sys-ctl-hlth-btrfs 💻]
        svc_btrfs["btrfs"]
    end

Solid 1:1 edges are fixed relationships; dashed 0..1 edges are conditional (enabled only in matching deployments); red 0..0 edges are turned off in this role. Node markers show the role’s deploy modes (💻 host, 🐳 compose, 🐝 swarm); ❌ marks a service that is explicitly turned off, and ⚙️ an Ansible role dependency declared in meta/main.yml.

Features

  • Iterates over every Btrfs filesystem.

  • Runs btrfs device stats and alerts if any error counters are non-zero.

  • Hooks into systemd and a timer for regular checks.

  • On failure, calls sys-ctl-alm-compose.infinito@… for notification.

Usage

Just include this role in your playbook; it will:

  1. Deploy a small shell script

  2. Install a .service and .timer unit.

  3. Send alerts via sys-ctl-alm-compose if any filesystem shows errors.

Credits

Implemented by Kevin Veen-Birkenbach. Part of the Infinito.Nexus Project and maintained by Kevin Veen-Birkenbach. Licensed under the Infinito.Nexus Community License (Non-Commercial).