In simple, I want boot XEN fully virtualized (HVM) guests (both Windows & Linux) using iSCSI drives (i.e. from SAN).
My main purpose of this is to learn about this process. So, how can I do it? How to setup VM / VM config file so that it supports booting from iSCSI??
Looking at this like a virtualization problem doesn't help. Ask yourself, how would I boot from iSCSI in the real world? The answer is you need an iSCSI initiator. Virtualization isn't magic, it emulates a common computer with common peripherals, you can add new peripherals, albeit virtual ones, just like could in the real world. In this case the gPXE project provides an option rom that can be fed to QEMU to add the additional ability of an iSCSI initiator. Everything else is an exercise for the reader. Good luck!
