SG6000 SG1000 or SG100 does not boot. Boot device not found and is stuck in boot loop

Applies to

• NetApp StorageGRID Appliance SG6000
• NetApp StorageGRID Appliance SG1000
• NetApp StorageGRID Appliance SG100

Issue

When trying to install a new StorageGRID compute node appliance, the compute node is stuck in a boot loop, and reports either of the following:

•  boot device is not found.
• FlexBoot attempts to boot but then reboots. 
• Attempts to boot from PXE / network boot then reboots. 

PXELINUX 3.11 0x4aa23cf6 Copyright (C) 1994-2005 H. Peter Anvin
UNDI data segment at: 0008FBF0
UNDI data segment size: 7790
UNDI code segment at: 00087380
UNDI code segment size: 4A10
PXE entry point found (we hope) at 9738:0106
My IP address seems to be 0AE00416 10.xxx.x.xx
ip=10.xxx.x.xx:10.xxx.x.xx:10.xxx.x.x:255.255.xxx.0
TFTP prefix: /
Trying to load: pxelinux.cfg/01-b4-a9-fc-71-74-bd
Trying to load: pxelinux.cfg/0AE00416
Loading /boot/sga/NetApp-SGA-kernel.............................................
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Loading /boot/sga/NetApp-SGA-initrd.img.........................................
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Boot failed: press a key to retry, or wait for reset...