IPMI fan failure
BMC reports one or more chassis fans in critical state or at 0 RPM. Cooling capacity is reduced; CPU temperatures may climb and trigger thermal throttling or emergency shutdown.
Remediation
When this rule fires on one of your servers, the dashboard alert detail page renders the full remediation guidance: the command to run, what to verify after, and Furnace's annotation for your specific distro + hardware. Sign in at app.glassmkr.com to see the live alert.