[openib-general] Port of ISC DHCP-3.0.2 to OpenIB IPoIB

[Josh England]

Troy Benjegerdes wrote:
> On Thu, Mar 31, 2005 at 06:06:30PM -0500, Hal Rosenstock wrote:
> 
>>On Wed, 2005-03-30 at 20:04, Josh England wrote: 
>>
>>>Are there any plans to modify the linux DHCP client so it would be
>>>possible to do kernel-level DHCP and NFSroot over IB?
>>
>>I took a quick look at this and it looks pretty straightforward. Stay
>>tuned...
> 
> 
> I'd say don't.
> 
> Using initrd/initramfs is a much better solution. At some point the
> in-kernel dhcp is going to get so buggy and old it's going to get
> removed.

I know...it's just crummy to have ship another 1.3 Megs out to every node.

> I boot all my cluster systems with NFS root servers, and I'm trying to
> get everything moved to using Debian packaged kernels with initrd's.
> With an initrd, you at least have a chance to get a shell and figure out
> why you couldn't find your nfs server, instead of "kernel panic, I'm
> going to die now" you get with in-kernel dhcp/nfs.

Check out oneSIS (http://onesis.org).  It can build initrds for you that
do NFSroot (and drop to a shell when things go sour).  I'd love to hear
some feedback from people familiar with running NFSroot.

-JE