Date: Tue, 26 Jul 2005 12:27:55 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Miles Nordin <carton@Ivy.NET> Cc: freebsd-sparc64@freebsd.org Subject: Re: network boot Message-ID: <20050726162755.GA67178@xor.obsecurity.org> In-Reply-To: <oqll3uox1n.fsf@castrovalva.Ivy.NET> References: <oqll3uox1n.fsf@castrovalva.Ivy.NET>
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On Tue, Jul 26, 2005 at 03:18:12AM -0400, Miles Nordin wrote:
> Is there a way to netboot FreeBSD/sparc64?
>=20
> I'm coming to FreeBSD from NetBSD, where I netboot NetBSD/sparc64 and
> just about everything except PeeCees, so I already know how to set up
> rarp, dhcp, tftp, NFS. Also I was able to cat the split FreeBSD
> release chunks and untar them---I don't know if you're supposed to do
> that, but I did it and poked around---so I have something like a root
> filesystem and am able to read man pages.
>=20
> However I don't understand FreeBSD's booting process, and I don't see
> where to get the second-stage loader binary to feed OpenPROM over
> tftp, something like NetBSD's /usr/mdec/ofwboot.net. =20
>=20
> Also something like the diskless(8) man page to explain how the
> second-stage loader likes to load, on NetBSD the kernel but on FreeBSD
> I guess it has to load a great many things like the several files that
> make up the rest of the bootloader and kernel modules and whatever,
> once I have the tftp second-stage loader how do I direct the booting
> system to these other files?
Basically, you use rarp and tftp to pull a copy of /boot/loader onto
the machine, then dhcp to advertise an installed root image of freebsd
(basically unpack a freebsd image from the release media, or use
installworld into a DESTDIR, etc). You'll need to configure it
appropriately, e.g. set up /etc, diskless booting per diskless(8),
etc.
Here's a snippet from my dhcpd.conf
host deo-ultra5 {
hardware ethernet 08:00:20:fd:69:bd;
fixed-address 216.136.204.95;
always-reply-rfc1048 on;
option host-name "deo-ultra5.freebsd.org";
option root-path "216.136.204.22:/a/nfs/sparc64/6.dir1/";
}
Kris
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