Date: Tue, 3 Jan 2006 08:37:46 -0600 From: Nicholas Riley <njriley@uiuc.edu> To: Gianluca Camporeale <gias@eyenet.it> Cc: freebsd-sparc64@freebsd.org Subject: Re: NFS install writability on Netra t1 105 Message-ID: <20060103143746.GA40204@uiuc.edu> In-Reply-To: <20060103142149.3311c15b@blackdog.umbrella.net> References: <20060103013246.GB34161@uiuc.edu> <20060103142149.3311c15b@blackdog.umbrella.net>
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On Tue, Jan 03, 2006 at 02:21:49PM +0100, Gianluca Camporeale wrote:
> could you explain the procedure that you used to boot from
> network and start installation from nfs? I'll tray netboot with
> tftp installation on ultra2 and ultra5 machines but with no
> fortune.
Sure. At worst you'll get stuck like I am :-)
I installed rarpd (on Linux, since I could not get the OS X version to
do anything beyond printing "got a packet") and edited /etc/ethers as
follows:
08:00:20:c2:8d:f0 10.0.0.200
where the first part is the MAC address of the first ethernet
interface on the Sun, and the second is an IP address I picked. Newer
Suns can do DHCP, but I think the OpenBoot version on mine is too old.
Then I copied boot/loader from the first FreeBSD install CD to
/tftpboot, made a symlink named with a hex version of the IP address,
and started tftpd (on a different machine from the rarpd server). If
you're using OS X 10.4 as I was, you can start tftpd with "sudo
launchctl start com.apple.tftpd". The relevant part of the
(/private)/tftpboot directory looks like:
lrwxr-xr-x 1 root wheel 6B Dec 31 14:02 0A0000C8@ -> loader
-r-xr-xr-x 1 root wheel 195K Dec 31 14:01 loader*
Next I set up a NFS server. I first tried directly exporting the
automounted CD image (/Volumes/FreeBSD_Install), but when I tried to
mount that, the mount point was empty; not quite sure what was going
on there. So instead, I copied the contents to a local disk:
% nidump exports /
/Users/Shared/FreeBSD_Install -ro -mapall=nobody
(that'd be /etc/exports or /etc/dfs/dfstab on a more normal Unix
system) and I was able to mount it successfully.
Finally, I set up a DHCP server (ISC dhcpd 3) to serve the NFS root
information. The network already has a DHCP server device which I
couldn't add arbitrary information to - actually, I plan for this Sun
to be the new DHCP server if I ever get it installed! dhcpd.conf is:
ddns-update-style none;
default-lease-time 600;
max-lease-time 7200;
log-facility local7;
subnet 10.0.0.0 netmask 255.255.255.0 {
}
host install {
hardware ethernet 08:00:20:c2:8d:f0;
fixed-address 10.0.0.200;
always-reply-rfc1048 on;
option root-path "10.0.0.3:/Users/Shared/FreeBSD_Install";
}
At that point all that remained was typing 'boot net' on the Sun.
Boot device: /pci@1f,0/pci@1,1/network@1,1 File and args: /platform/sun4u/kernel/unix
34e00 Consoles: Open Firmware console
FreeBSD/sparc64 bootstrap loader, Revision 1.0
(root@s-dallas.cse.buffalo.edu, Wed Nov 2 09:45:36 UTC 2005)
bootpath="/pci@1f,0/pci@1,1/network@1,1"
boot: ethernet address: 08:00:20:c2:8d:f0
net_open: server addr: 10.0.0.3
net_open: server path: /Users/Shared/FreeBSD_Install
There'll be a short delay, then "Loading /boot/defaults/loader.conf",
then a longer delay before the FreeBSD kernel starts booting.
>From looking at boot/loader.conf on the CD, it looks like I'm supposed
to get a MFS root, but instead I get a (read-only) NFS root. During
boot I do see this line:
md0: Preloaded image </boot/mfsroot> 4194304 bytes at 0xc056435
and I was able to mount /dev/md0 after startup, but I can't figure out
how to get it to be used as a root device.
--
Nicholas Riley <njriley@uiuc.edu> | <http://www.uiuc.edu/ph/www/njriley>;
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