T5-2 Messages File Shows Short Sensor Limit Violation Not seen on ILOM

Asset ID:	1-72-2334426.1
Update Date:	2017-12-06
Keywords:

Solution Type Problem Resolution Sure

Solution 2334426.1 : T5-2 Messages File Shows Short Sensor Limit Violation Not seen on ILOM

Applies to:

SPARC T5-2 - Version All Versions and later
Information in this document applies to any platform.

Symptoms

HMP gets short duration sensor threshold warnings in the messages file that's not logged in the ILOM:

May 7 11:48:20 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: overall alarm state changed from "Cleared" (1) to "Critical" (2).
May 7 11:48:20 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: alarm state of subsystem "Voltage" changed state from "Cleared" (1) to "Critical" (2).
May 7 11:48:20 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: alarm state of subsystem "Temperature" changed state from "Cleared" (1) to "Critical" (2).
May 7 11:49:13 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: overall alarm state changed from "Critical" (2) to "Cleared" (1).
May 7 11:49:13 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: alarm state of subsystem "Voltage" changed state from "Critical" (2) to "Cleared" (1).
May 7 11:49:13 nXXXXXXXp4 hwmgmtd[1260]: [ID 702911 daemon.notice] State change: alarm state of subsystem "Temperature" changed state from "Critical" (2) to "Cleared" (1).

Cause

This appears to be a hardware problem.

Solution

System board replacement resolved this problem. These messages are benign, so board replacement is not required as long as the customer can tolerate occasional messages in the log.

References

<BUG:26025117> - HMP ALERTS OF VOLTAGE THRESHOLD CROSSING, BUT ILOM & BBR DON'T
<NOTE:2070764.1> - 300GB, 600GB, 900GB, and 1.2 TB Disk Firmware Upgrade to Address Unrecoverable Read Errors in SPARC Platforms.
<NOTE:166650.1> - Working Effectively With Oracle Support - Best Practices

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