Hi
At the point you get that error, it should also give you about 10 seconds
to press t to get a troubleshooting shell (or you can specify
troubleshoot on the kernel command line if you prefer).
I would start with that and have a poke around dmesg and /dev to see what
it can see by way of disks.
I am using Ironic's out of tree Nova driver and running Ironic +
PXESeamicro driver.
I am using a ubuntu based deployment ramdisk created using below cmd in
diskimage-builder.
sudo bin/ramdisk-image-create -a amd64 ubuntu deploy-ironic -o
/tmp/deploy-ramdisk
I can see that the ramdisk is
