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CHAOS NIGHT round 6: what a whole-system backup costs the household
Measured while the vzdump was in flight (started 21:55:24Z, 2.1GB and growing):
- containers running: 4 of 26. The whole-guest backup stops twenty-two apps.
- front doors: LAN 301 (traefik is one of the four still up) but public 404 -
  nothing behind the proxy to serve. Every app unavailable for the duration.
- alarms: NONE. Twenty-two apps went down at once and not one alarm fired.

Those two findings point opposite ways and both matter. The downtime is real
and total, not a brief pause - this is the standing whole-system-backup downtime
row, seen on a fresh box with twelve apps. And the suppression is correct: the
backup's own stack stops belong to a suppression set, so the box does not alarm
about downtime it caused deliberately.

The duration itself is taken from the round's runner when it reports, not
estimated from a single sample.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
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