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docs(wiki): PAT-010 pve-oom-frozen-guest + proxmox6 drift fixes (worker-05 placement, oversubscription known-issue)

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Dominik Schön
2026-09-30 14:15:18 +00:00
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# Memory Log
## [2026-09-30] incident-fix | worker-05 Freeze: proxmox6 Doppel-OOM → Zombie-VM (PAT-010)
- Symptom: KubeDaemonSetRolloutStuck (Traefik DS misscheduled=1), worker-05 NotReady 19h
- Root Cause: proxmox6 RAM-Oversubscription (~47.8 GB alloc / 16 GB, 7.3/8 GB Swap) → OOM-Killer tötete kvm (VM102) 2× (29.09. 18:43 + 20:44); 2. Revival = Zombie (QEMU running, Gast inert, RSS 239MB/12GB)
- Diagnose-Signatur: `qm status --verbose` RSS-Kollaps + tote Guest-Agent + statischer Tap-TX
- Fix: Laya CT152 → proxmox3 (Offline-Move 2s, shared RBD) → Druck raus; qm stop/start VM102 → HA replatzierte auf ms-a2-2 (60 GB frei, GPU-fähig!); uncordon → Node Ready, Traefik-Orphan self-reconciled, Alert cleared
- Drift-Fund: frühere node-affinity `na-vm102` (NICHT ms-a2-2) existiert live nicht mehr
- Offen: proxmox6 strukturell eng (28 GB alloc); PSI/OOM-Alerts pro PVE-Node fehlen komplett; GPU(renderD128)-Verifikation auf ms-a2-2 nach Return
- Docs: docs/solutions/bug-fixes/2026-09-30-proxmox6-oom-frozen-vm102-worker05.md, patterns/pve-oom-frozen-guest.md (PAT-010)
## [2026-09-30] deployment | Sarah-Hermes VM107 — zweite Hermes-Instanz live
- VM107 (n5pro, 10.0.30.66) via Tofu epic-8 deployed; Docker+UFW via Ansible (epic-7-Stil)
- hermes-webui Single-Container :8787, LAN-only, Password-Auth; Secrets in 1P (sarah-hermes-webui, sarah-hermes-noris-key)