NetApp H610S node reboots unexpectedly with machine check error

Applies to

• NetApp H610S
• NetApp Element software
• All currently supported versions of BIOS

Issue

• A node in an Element cluster logs a nodeOffline event for approximately 7 to 15 minutes
• Logs indicate that the node has rebooted unexpectedly
• Entries for Uncorrectable Machine Check Exception or Correctable machine check error are found in the BMC system event log around the time of the nodeOffline event
  • How to use an mNode to gather BMC logs from a SolidFire/HCI storage or compute node
• Examples of BMC SEL events:

SEL Record ID          : 0053
 Record Type           : 02
 Timestamp             : 11/22/2020 13:18:25
 Generator ID          : 0020
 EvM Revision          : 04
 Sensor Type           : Processor
 Sensor Number         : 74
 Event Type            : Sensor-specific Discrete
 Event Direction       : Assertion Event
 Event Data            : 0bffff
 Description           : Uncorrectable machine check exception
 
 =========================
 
 SEL Record ID         : 0076
 Record Type           : 02
 Timestamp             : 04/04/2021 11:21:35
 Generator ID          : 0001
 EvM Revision          : 04
 Sensor Type           : Processor
 Sensor Number         : a8
 Event Type            : Sensor-specific Discrete
 Event Direction       : Assertion Event
 Event Data            : ac032b
 Description           : Correctable machine check error