On Mon, Mar 21, 2011 at 14:17, Michael Brown <mbr...@fensystems.co.uk> wrote: > On Monday 21 Mar 2011 21:06:24 Stefan Hajnoczi wrote: >> On Mon, Mar 21, 2011 at 6:27 PM, Anthony Liguori <anth...@codemonkey.ws> >> > Is there gPXE for UEFI yet? >> >> I have never tried it myself, but I think it should work. CCed >> Michael Brown to check. > > Yes, iPXE for UEFI exists and works. Last tested by me about a week ago, on > various IBM UEFI systems. > > Compared to a "legacy" BIOS network boot, you can't do anything very > interesting with UEFI. Features such as iSCSI, FCoE, AoE, HTTP all work with > a "legacy" BIOS but not with UEFI. A "legacy" BIOS network boot allows you to > boot an operating system; a UEFI network boot only allows you to boot an EFI > executable (which could be a second-stage OS loader).
Your input on network boot is much more valuable than mine. (I'm certainly no expert here...) But, for a UEFI system, loading a UEFI executable is equivalent to starting the OS. Whether that executable is a second stage loader, or contains the OS kernel, it up to the OS implementation. -Jordan
