CHW-3442: Node stuck in boot loop while doing cluster update.to 9.15.1P12 ( NVRAM upgraded to 1.1.3. + MCU revision 1.6)
Issue
- During ONTAP upgrade to 9.15.1P12 ( NVRAM upgraded to 1.1.3. + MCU revision 1.6) ,node stuck in boot loop
- system console from bmc
"BIOS Version: 20.4Portions Copyright (C) 2014-2024 NetApp, Inc. All Rights Reserved.Initializing System Memory ...Loading Device Drivers ...Configuring Devices ...Device 20/0/0 (IO4) missingDevice(s) in slot missing, attempting to recover it.System is resetting.BIOS Version: 20.4Portions Copyright (C) 2014-2024 NetApp, Inc. All Rights Reserved.Initializing System Memory ...Loading Device Drivers ...Configuring Devices ...Device 20/0/0 (IO4) missingDevice(s) in slot missing, attempting to recover it.System is resetting.