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CHAOS NIGHT round 3: the disk fills, and nothing is told about it
Measured while the guest's root filesystem was held at 96%:
- the app's view is a genuinely full disk (29G used, 1.5G free, 28G fill file)
- the shared thin pool stayed at 39.69% - fallocate reserves blocks without
  writing them, so this round is NOT a repeat of the pool exhaustion that
  wedged the box in Phase 0. Recorded explicitly, because "disk 95% full"
  invites exactly that wrong reading.
- the filesystem stayed writable (a real touch, not the mount flags)

No disk alarm fired, and that was PREDICTED from the ladder before the round:
the fill-watch is a daily sweep at 03:30 plus one check ~90s after a controller
start. The timing is sharper still - the controller restarted at 21:28 after
round 2's power cut, so its single opportunistic check ran about twenty seconds
BEFORE the disk filled. A disk that fills and empties between checks is
invisible; that is by design, but it is the honest answer to "would the
household be told?" - no.

Household lines are attributed to the right round: the two UNREACHABLE entries
at 21:27:57Z are round 2's recovery tail, not round 3's accident.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
2026-09-16 23:33:08 +02:00
..

Felhom — Documentation

Felhom is a managed home-server service for Hungarian households, built on a three-component model over Proxmox:

  • Hub — operator backend on k3s (hub.felhom.eu). Repo: felhom.eu/hub/.
  • Host agent — one per Proxmox host; operator-tier; owns all Proxmox interaction. Repo: felhom-agent/.
  • In-guest controller — one per customer LXC; Docker-only; manages the customer's apps. Repo: felhom-controller/.

This directory is the central, code-verified documentation home for all three components plus the platform and the security-audit record.

Sections

Controller (in-guest) — controller/

The Docker-only app-domain controller. Full per-area docs grounded in current source (v0.59.0). → controller/README.md: module map, deploy & stack lifecycle, backup architecture, storage/monitoring/metrics, auth/hub/sync/integrations.

Where we stand — architecture/where-felhom-stands.*

The operator's one-page picture of what is proven, built, partial and missing.

Host agent & platform — architecture/, proxmox-platform.md

The operator-tier agent and the Proxmox platform.

Hub (operator backend) — architecture/05

Security audits & remediation — audits/

Spike & test findings — tests/

Per-slice spike/validation findings (phases 0–5, slices 7–10). See tests/.

Conventions

  • Code-verified, not memory-derived. Architectural claims here are checked against the actual current source; if a claim can't be verified it is omitted and flagged, not guessed.
  • Per-repo operational working files (CLAUDE.md, CONTEXT.md, CHANGELOG.md, BUGHUNT.md, REPORT.md, TASK.md) live in their own repos — they are operational, not published docs.
  • Authoritative versions at last refresh: controller v0.59.0, agent v0.29.1, hub v0.11.0.