Node shutdown unable to power on with fans/PSUs reported absent on AFF A400, FAS8300, FAS8700

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Category:: ontap-9

Specialty:: hw

Last Updated:

Applies to

ONTAP 9
AFF A400 / FAS8300 / FAS8700

Issue

Node shuts down/is taken over by partner
Connection through BMC indicates host power is off and attempting to power on does nothing (node remains powered down)
BMC logs indicate repeated voltage errors:

1 | 07/21/2022 | 07:04:26 | Voltage #0x5a | Lower Non-critical going low

2 | 07/21/2022 | 07:04:26 | Voltage #0x5b | Lower Non-critical going low

3 | 07/21/2022 | 07:04:26 | Current #0x5c | Lower Non-critical going low

4 | 07/21/2022 | 07:04:26 | Current #0x5d | Lower Non-critical going low

5 | 07/21/2022 | 07:04:26 | OEM #0x5e | Lower Non-critical going low

6 | 07/21/2022 | 07:04:26 | OEM #0x5f | Lower Non-critical going low

7 | 07/21/2022 | 07:04:26 | Temperature #0x61 | Lower Non-critical going low

8 | 07/21/2022 | 07:04:26 | Fan #0x63 | Lower Non-critical going low

This is followed by entities going missing and fans/PSU absent, resulting in shutdown:

108 | 07/20/2022 | 20:04:50 | Entity Presence #0x97 | Absent | Asserted

109 | 07/20/2022 | 20:04:50 | Entity Presence #0x99 | Absent | Asserted

118 | 07/21/2022 | 02:30:13 | Power Unit #0xb6 | | Asserted | absent FRU: MID1_FRU MID2_FRU PSU1_FRU PSU2_FRU FANMODULE1_FRU FANMODULE2_FRU FANMODULE3_FRU

119 | 07/21/2022 | 02:30:13 | Power Unit #0xb7 | | Asserted | absent FRU: MID1_FRU MID2_FRU PSU1_FRU PSU2_FRU FANMODULE1_FRU FANMODULE2_FRU FANMODULE3_FRU