CHW-2690: Chassis temperature is too cool: Inlet ODP Temp2 is warning low (3 C)
Issue
- On AFF A90 and AFF A70 systems, intermittent low temperature alerts are logged with temperature values of 0 C, 1 C, 2 C or 3 C. The alerts clear a minute later.
- An example of self-correcting events seen in the EMS log:
Tue Sep 10 06:17:00 +0100 [node-1: monitor: monitor.globalStatus.critical:EMERGENCY]: Chassis temperature is too low..
Tue Sep 10 06:17:00 +0100 [node-1: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: Inlet ODP Temp2 is warning low (3 C).
Tue Sep 10 06:17:31 +0100 [node-1: env_mgr: monitor.chassisTemperature.ok:notice]: Chassis temperature is ok.
Tue Sep 10 06:18:00 +0100 [node-1: monitor: monitor.globalStatus.ok:notice]: The system's global status is normal. - An example of self-correcting events seen in the BMC system event log (SEL):
Record 581: Tue Sep 10 05:16:24.068996 2024 [IPMI.notice]: 019e | 02 | EVT: 01500303 | Inlet_ODP_Temp_2 | Assertion Event, "Lower Non-critical going low " | Reading: 3.000 | Threshold: 3.000
Record 582: Tue Sep 10 05:16:27.075699 2024 [IPMI.notice]: 019f | 02 | EVT: 81501b03 | Inlet_ODP_Temp_2 | Deassertion Event, "Lower Non-critical going low " | Reading: 27.000 | Threshold: 3.000