docs: R-88 root cause established — no limiter, and the nil age bypasses the window gate

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Corrects two wrong severity readings with evidence from the box and the code.

The PBS outage was ~15 min (07:00-07:18 UTC), caused by a global OOM at 06:58:12:
proxmox-backup-proxy peaked at 3.2G on a 3.8G box and a concurrent 1.9G rsync
tipped it over. Root SSH to that box works from DooPlex via the public IP, not
from felhom-pve via the tunnel IP — the documented path I failed to try first.

R-88: internal/quiesce has NO failure limiter, backoff or breaker; the loop
stopped after three cycles only because PBS recovered. Verified additionally that
scheduledRunAllowed (quiesce.go:476-478) returns true whenever lastAgeSecs is nil,
so the same missing value that makes every poll due also bypasses the time-of-day
gate — the cycles ran outside the [04:30,08:30) window. Fixing the due-verdict
without fixing the nil-age bypass would leave the hole open.

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authentik Default Admin

2026-07-27 11:03:02 +02:00

parent c60cd4234c

commit a16896af86

2 changed files with 54 additions and 27 deletions

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