AFF A900 reports BATTERY (charge FET off) WARNING
Applies to
- ONTAP 9
- AFF A900
- BMC firmware 16.5
Issue
- The following Battery charge FET errors are reported in the event logs:
[Node-01: env_mgr: nvram.battery.chargeFET.off:error]: The NVRAM battery charge FET is off. To prevent data loss, the system will shut down in 24 hours.
[Node-01: env_mgr: nvram.battery.chargeFET.normal:info]: The NVRAM battery charge FET is on.
[Node-01: env_mgr: callhome.battery.warning:alert]: Call home for BATTERY (charge FET off) WARNING.
- From the
SP-LATEST-IPMIsection of autosupport, it is seen that the fault LED is turned on for NVRAM battery:
======================================
hsamcmd --fault-show-all
===============================
tag origin fld fault reason count time
---- ------- ---- ------------- ------ -----
3 bmc /chassis-1/controller-b/nvbatt-1 Environmental Condition by env_mgr 1 Mon Feb 12 10:40:08 2024
Fault Lights On:
/chassis-1 1
/chassis-1/controller-b 1
/chassis-1/controller-b/nvbatt-1 1
- The BMC sensors report the following:
DCPM:
Bat_Status | 0x0 | discrete | Chrg FET | na | na | na | na
Sensor Name State Current Critical Warning Warning Critical
Reading Low Low High High
-------------------------------------------------------------------------------------------------
Bat FRU Fault LED ON
Battery Capacity Message failed --
Battery RemCap Desc READY
Battery Charge Failed? TRUE
Bat Power Fault GOOD
Bat Dcharge FET ON
Bat Charge FET OFF
Bat Pack Invalid OK
Bat Learning Active OFF
- The BMC firmware is on the latest version.