[syslinux] Chain loading hard disk with gPXELinux

[Miller, Shao]

If you look at the e-mail that I've sent before, you will see a setup
where PXELINUX uses gPXE-provided HTTP instead of TFTP, which I think
you would find convenient.  If you use the RFC options mentioned
therein, you will also avoid the default "countdown" before of PXELINUX,
and thus avoid any additional delays.  - Shao

-----Original Message-----
From: syslinux-bounces at zytor.com [mailto:syslinux-bounces at zytor.com] On
Behalf Of Tim Franssen
Sent: Tuesday, May 12, 2009 09:33
To: For discussion of Syslinux and tftp-hpa
Subject: Re: [syslinux] Chain loading hard disk with gPXELinux

Hello Shao, thank you for your quick response!

On Tue, May 12, 2009 at 3:03 PM, Miller, Shao
<Shao.Miller at yrdsb.edu.on.ca>wrote:

> gPXE -> PXELINUX -> chain.c32 -> HDD "0"


That would make sense, however I was thinking more along the line of:

PXE -> gPXE -> PXELINUX -> localboot -> GRUB/MS-DOS/whatever

We can't depend on flashing ROMs so we'll need to work with whatever is
present (which is PXE). To boot over our web service (HTTP) however we
need
either gPXE or gPXELINUX. Since there's a bug in gPXELINUX we can't use
localboot with it, and chain.c32 doesn't seem to work in all situations
(does anyone know why?). So if we have gPXE load PXELINUX and tell it to
localboot... that might just work, but it does further complicate and
delay
the boot procedure...

I can't speak towards fixing this bug, sorry.


Too bad, I hope someone else can!

Tim
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