Root Cause #012: All Green

Root Cause / Episode 012 / Service monitoring

The elevator dashboard says everything is fine. Brian asks Patch to show him what the green light is actually measuring.

Four-panel Root Cause comic. An elevator status lamp stays green because the call button lights up, even though the shaft is empty.
Root Cause #012 · Another perfectly normal day in IT.
Panel 1. The Manager points to the green status lamp by the elevator.

Panel 01 / 04

Panel 2. Patch presses the elevator call button, which lights up green.

Panel 02 / 04

Panel 3. A safety barrier stands in front of the empty elevator shaft.

Panel 03 / 04

Panel 4. The Manager uses the status lamp to light the stairs.

Panel 04 / 04

Read the transcript

Panel 1. The Manager points to the green elevator status lamp. Manager: “Is the elevator fixed? The dashboard says it’s green.” Brian: “Let’s see what we’re measuring.”

Panel 2. Patch presses the small elevator call button, which glows green. Patch: “I press the button. If it lights up, we’re green.”

Panel 3. The doors are open behind a safety barrier. Rails are visible in the empty shaft, and the call button still glows. Manager: “Where’s the elevator?” Brian: “That’s the part we don’t check.”

Panel 4. The Manager carries the green status lamp up the stairs like a lantern. Brian follows with his mug. Brian: “The dashboard is finally helping.”

Meet the regulars

Brian

Solves infrastructure. Still waiting on requirements.

The Manager

Sees the possibility. Occasionally, the scope.

Patch

Helpful. Literal. Technically followed instructions.

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