Console log reports "PANIC: NVRAM in slot 6: uncorrectable memory error at address"

Applies to

• ONTAP 9
• AFF A700, FAS9000 (NVRAM10 module in slot 6)
• AFF A900, ASA A900, FAS9500 (NVRAM11 module in slot 6)

Issue

• Node panics and the following messages reported in EMS
• Example from ONTAP 9.1:

[nvram.hw.fail:CRITICAL]: NVRAM hardware failed: Uncorrectable errors detected in NV-DIMM0. Replace NV-DIMM0.      
NV-DIMM fault LED has been turned on.

[nvram.hw.fail:CRITICAL]: NVRAM hardware failed: Uncorrectable errors detected in NV-DIMM1. Replace NV-DIMM1.      
NV-DIMM fault LED has been turned on.

PANIC: NVRAM in slot 6: uncorrectable memory error at address 0x2dd33fe00 DIMM(0), Rank(0), Bank Group(0),
Bank(0x2), Row(0x16e99), Col(0x3f8) in process idle on release 9.1P11 (C) on Fri Mar 20 04:03:31 UTC 2020          
version: 9.1P11: Thu Dec 21 02:32:26 PST 2017
compile flags: x86_64.optimize
HA: current time (in sk_msecs) 15241160060 (in sk_cycles) 58865735105269550

• Example from ONTAP 9.3+:

Tue Jan 11 06:40:51 GMT [nvram.hw.fail:CRITICAL]: NVRAM hardware failed: Uncorrectable errors detected in NV-DIMM2.
Replace NV-DIMM2. NV-DIMM fault LED has been turned on.

PANIC: NVRAM in slot 6: uncorrectable memory error at address 0x1011de688 DIMM(1), Rank(0), Bank Group(2),
Bank(0x0), Row(0x1011d), Col(0x399) in process idle: cpu7 on release 9.7P16 (C) on Tue Jan 11 01:40:51 EST 2022    
version: 9.7P16: Fri Sep 10 18:35:49 EDT 2021