Re: [linuxdc-dev]NFS booting

[Paul M. <le...@Ch...>]

Looks good.

Some cosmetic fixes listed below..

On Thu, Jun 06, 2002 at 10:57:47PM +0100, Adrian McMenamin wrote:
>    completely and bott your kernel straight off the network
                    ^^^^
s/bott/boot/

>    10MBit port and have heard they are a bit flakely at higher speeds -

s/flakely/flakey/

>    but cannotconfirm that from personal experience.
               ^
s/\(cannot\)\(confirm\)/\1 \2/

>    BBA's are not cheap - not mny were made and demands is high. Mine cost

s/mny/many/, s/\(demand\)s/\1/

>    Of course other tools are available - but I recommned dcload-ip: I
>    know it works and its simple.
>   =20
>    (NB: If you upgrade the kernel on your Linux box you will have to
>    recompile the server (host) end of dcload-ip - but the Dreamcast end
>    doesn't have to change).

Neither myself or Marcus have managed to get dcload-ip to work sanely
out-of-the-box. I've got a patch up here:

http://stampede.org/~lethal/sh/dcload-ip-1.0.3-suck-less.diff

that fixes the issues. Haven't tried newer versions.

>   3. Compile your DC kernel to support NFS booting
>  =20
>    Building a kernel is covered elsewhere on this site. But you have to
>    compile a version that supports NFS booting for this to work. The key
>    points to remember are:
>   =20
>      * TCP/IP networking (obviously) must be on
>       =20
>      * EISA, VLB, PCI and on board controllers should be selected
>           + RealTek RTL-8139 PCI Fast Ethernet Adapter support should be
>             selected, along with "Support for Dreamcast Broad Band
>             Adaptor"
>      * Then, under file systems support make sure you select: NFS file
>        system support, with root file system on NFS, and you should also
>        select support for version 3 client support (assuming you are not
>        mounting off some very ancient box)

Due to stupidity in the kernel, you also have to have IP autoconfig turned =
on
in order to see the root on NFS option. Thus, you need the following in your
=2Econfig:

CONFIG_IP_PNP=3Dy
CONFIG_NFS_FS=3Dy
CONFIG_ROOT_NFS=3Dy

optionally, you can CONFIG_NFS_V3=3Dy if you want NFSv3 support.


>      * I am also using automounter support, but I have no idea if that is
>        necessary - perhaps someone could tell me!
>       =20
No, automount is not necessary at all. You setup the automounter to
automagically exec a mount command when you traverse a mountpoint. It's cut=
e,
but hardly useful, especially on the DC.

>    To get NFS to bbot properly, I had to tweak it just a tiny bit (I was

s/bbot/boot/

>    I have also used the Busybox sheel as my initrd, and bound that with

s/sheel/shell/

>   6. Pipe it accross and watch it boot.
>  =20
s/accross/across/

Regards,

--=20
Paul Mundt <le...@ch...>