Attempting to locate/create an EC2 AMI that meets my current needs. HVM is preferred over PV, because the newer and larger EC2 instance types only support HVM (we're targeting r3.4xlarge) and a partitionless "whole drive" image is preferred over one with a real partition table because it's nice to be able to dynamically enlarge the file system without having to mess with the partition table on the boot drive.
Is this even possible, or does the HVM boot system fundamentally require an actual partition table? So far all of my attempts to create a working HVM AMI using a whole drive image have failed to boot with no visible error.
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