[K12OSN] RE: DHCP Option128/129 MOPTS - still stuck at pivot_root

[Peter Van den Wildenbergh]

Hi Jim and others :
 
It isn't going with kernel 2.4.26-ltsp-3.
On the client I get the NFS server not responding - Still trying msg
And AFAIK we are still doing UDP...
 
Is there a (good documented) way to hardcode things inside linuxrc?
If nothing else I would like to do an 
echo $MOPTS
before the mount to see the 'options'
(With ethereal I see a DHCP ACK with the 2 string in the data part of the packet...)
 
 
Peter

________________________________

From: k12osn-bounces at redhat.com on behalf of Peter Van den Wildenbergh
Sent: Thu 8/18/2005 1:34 PM
To: Support list for opensource software in schools.
Subject: RE: [K12OSN] FW: DHCP Option128/129 MOPTS - not working


I will test it with a 2.4.26-ltsp-3.
 
Currently working on a 2.4.0.
 
Peter

________________________________

From: k12osn-bounces at redhat.com on behalf of Jim McQuillan
Sent: Thu 8/18/2005 1:02 PM
To: Support list for opensource software in schools.
Subject: Re: [K12OSN] FW: DHCP Option128/129 MOPTS - not working



Peter,

Which LTSP kernel are you using?

the ability to alter the mount options was added fairly recently.
vmlinuz-2.4.26-ltsp-3, I believe.  Anything prior to that version will
ignore that new option.

Jim McQuillan
jam at Ltsp.org



On Thu, 18 Aug 2005, Peter Van den Wildenbergh wrote:

>
> Hi All :
>
> We are struggling with option 128 / 129 on a Novell Netware 6 DHCP server.
> What I would like to do is using TCP for NFS and not UDP.
>
> I've read this:
> http://wiki.ltsp.org/twiki/bin/view/Ltsp/KernelOptions#Etherboot
>
> >From what I can see the root filesystem get mounted by the cmd:
> mount -n -o ${MOPTS} ${NFS_IP}:${NFS_DIR} /mnt
> in linuxrc.
>
> We've put the following in 128/129
> 128    e4:45:74:68:00:00
> 129    MOPTS=nolock,ro,proto=tcp
>
> (Found this on this list Dec 1 2004 - solved pivot_root hang)
>
> According to ethereal we are still using UDP :-(
>
> The reason for all this is to get (in case you want to know)
> a server running K12LTSP with NX on one end and
> clients on the other end of a 1MB pipe.
> All works fine in a test lab were server and client are close to each other
> as soon as we put the client a couple hops further away
> the client boot process hangs on the pivot_root.
>
> Any suggestions?
>
> Peter
>
> PS Is there a very detailed howto available on how to alter linuxrc?
> so I can hardcode the proto=tcp... or at least get a couple extra
> echo statements in the script...
>
>
>
>
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