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NVRAM Hardware Degraded Errors and Sensor Failures on AFF-A700

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Category:
aff-series
Specialty:
hw
Last Updated:

Applies to

  • AFF-A700
  • ONTAP 9

Issue

The system reports multiple NVRAM hardware degraded errors and temperature sensor failures.

::> event log show
Time                Node             Severity Event
---------------------------------------------------------------------------
9/30/2025 09:17:59  nodename ERROR  nvram.hw.degraded: NVRAM hardware is degraded: VBATP8V is not readable..
9/30/2025 09:17:59  nodename ERROR  nvram.hw.degraded: NVRAM hardware is degraded: P12VNV is not readable..
9/30/2025 09:17:59  nodename ERROR  nvram.hw.degraded: NVRAM hardware is degraded: P12VSFM61NBT is not readable..
9/30/2025 09:17:59  nodename ERROR  monitor.temp.unreadable: The controller temperature (NVSDIMM1Temp) is not readable.
9/30/2025 09:17:59  nodename ERROR  monitor.temp.unreadable: The controller temperature (NVSDIMM0Temp) is not readable.
9/30/2025 09:17:59  nodename ERROR  monitor.temp.unreadable: The controller temperature (FPGADieTemp0) is not readable.
9/30/2025 09:17:59  nodename ERROR  monitor.temp.unreadable: The controller temperature (NVSPCIeDieTemp) is not readable.

::> system environment sensors show -state !normal
Node           Sensor           State   Value/Units
------------------------------------------------------
nodename
               NVSPCIeDieTemp   failed  -C0590100
               FPGADieTemp0     failed  -C058085
               NVSDIMM0Temp     failed  -C058085
               NVSDIMM1Temp     failed  -C058085
               P12VSFM61NBT     failed  -mV10560 10800 12840 13440
               P12VNV           failed  -mV10560 10800 12840 13440
               VBATP8V          failed  -mV7000 7400 8550 8950

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