コンソールログに「 Panic: NVRAM in slot6: uncorrectable memory error at address 」と表示される

環境

• ONTAP 9
• AFF A700
• FAS9000
• AFF - A700 S

問題

• ノードがパニック状態になり、 EMS で次のメッセージが報告されます
• ONTAP 9.1 の例：

[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

• ONTAP 9.3 以降の例：

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