AFF A900/A70/A90 or FAS9500/FAS70/FAS90 fails to boot with 'No NV device has been detected'

• AFF A900/FAS9500
• FAS70/90
• AFF A80/C80
• AFF A70/A90
• ONTAP 9

• AFF-A900/FAS9500 node fails to boot with alerts similar to the following:

Wed Jun 28 00:00:00 GMT [nvram.hw.initFail:CRITICAL]: NVRAM hardware initialization failed: Failed to read SSD configuration.
Wed Jun 28 00:00:00 [node01:nv.flash.unable.to.monitor:ALERT]: Unable to monitor NVRAM device "NVRAM11".
Wed Jun 28 00:00:00 [node01:nv.none:EMERGENCY]: No NV device has been detected.

• FAS70/90 or AFF A70/A90 node may fail to boot with alerts similar to the following:
  
  Feb 27 16:30:48 [localhost:nv.flash.unable.to.monitor:ALERT]: Unable to monitor NVRAM device "NVRAM12". NIC FW update from kernel error is :0
Feb 27 16:31:00 [localhost:nv.none:EMERGENCY]: No NV device has been detected.
Feb 27 16:31:00 [localhost:monitor.temp.unreadable:error]: The controller temperature (NVRAM M2 Temp) is not readable.
Feb 27 16:31:01 [localhost:ha.partner.discovered:notice]: Discovered HA partner with system ID 538351174, port 0.
Feb 27 16:31:01 [localhost:monitor.temp.unreadable:error]: The controller temperature (NVRAM DIMM1 Temp) is not readable.
Feb 27 16:31:01 [localhost:monitor.temp.unreadable:error]: The controller temperature (NVRAM Inlet Temp) is not readable.
Feb 27 16:31:01 [localhost:monitor.temp.unreadable:error]: The controller temperature (NVRAM Riser Temp) is not readable.
Feb 27 16:31:01 [localhost:monitor.temp.unreadable:error]: The controller temperature (NVRAM FPGA Temp) is not readable.
Feb 27 16:31:01 [localhost:sp.reboot.sensor.unreadable:notice]: Rebooting BMC because one or more sensors are unreadable.
• FAS70/90 or AFF A70/A90 node may also fail to boot with NVDIMM related error message:

Tue May 20 03:58:52 GMT [nvram.hw.initFail:CRITICAL]: NVRAM hardware initialization failed: Failed to read NVRAM DIMM1 SPD information. Reseat or replace the NVRAM DIMM. Check for NVRAM DIMM1 label on the PCB silkscreen.
Tue May 20 03:58:52 GMT [nvram.hw.initFail:CRITICAL]: NVRAM hardware initialization failed: Failed to read NVRAM DIMM2 SPD information. Reseat or replace the NVRAM DIMM. Check for NVRAM DIMM2 label on the PCB silkscreen.

May 20 06:07:11 [node:nv.flash.unable.to.monitor:ALERT]: Unable to monitor NVRAM device "NVRAM12".

***OS2SP configured successfully***RC NIC fw update error is :0
NIC FW update from kernel error is :0
May 20 06:07:45 [node:fal_nvme.partition.status:notice]: Partition 0-1 with capacity 3576 GiB status: rewarm.
May 20 06:07:45 [node:fal_nvme.partition.status:notice]: Partition 0-1 with capacity 3576 GiB status: rewarm.
May 20 06:07:45 [node:ha.partner.discovered:notice]: Discovered HA partner with system ID 538341427, port 1.
May 20 06:07:45 [node:ha.partner.discovered:notice]: Discovered HA partner with system ID 538341427, port 0.
May 20 06:08:03 [node:nv.none:EMERGENCY]: No NV device has been detected.

• Console logs 

Waiting for giveback...(Press Ctrl-C to abort wait)*******************************************************************
*           ---=< WARNING --- WARNING --- WARNING >=---           *
*                                                                 *
* NVRAM detected internal error and initiating a clean shutdown.  *
*                                                                 *
* Data loss WILL occur in non-HA system if clean shutdown failed. *
*******************************************************************


Terminated
Uptime: 2m25s
PANIC  : page fault (supervisor read data, page not present) on VA 0x448 cs:rip 0x20:0xffffffff80366fe3 rflags 0x10246
version: 9.15.1P11: Wed May 21 18:53:05 EDT 2025