Erik Norgaard wrote:
OK, two things remain: Are you sure that it doesn't correctly fetch
the kernel with tftp and then the kernel tries to mount a root device
with nfs?
When I build the pxeloader with LOADER_TFTP_SUPPORT=YES it will fetch
the kernel from tftp just fine, but after the NFS gracefully times out.
It will also fetch & mount the root device from tftp ok. It's just a
bit annoying that I have to wait 2 extra minutes every time I need to
install a box (I do this quite often), and look for workarounds for
something that should "just work". But then, I'm a sysadmin not a
developer so it might be easy for me to say. I cannot actually fix it
myself.
If the kernel is compiled with the slightest mention of nfs as root
device it will use nfs, no matter that you have specified otherwise in
loader.conf. The generic kernel has NFS_ROOT and NFS_CLIENT, since
your root device is not NFS then you can leave out both. I recall
having problems leaving in NFS_CLIENT although NFS_ROOT was not included.
I don't bother compiling a kernel for this at the moment. I just
copied the contents of /boot from a FreeBSD CD to the root of my tftp
server. Then I copied the custom build loader files so that I can boot
from tftp instead of nfs:
boot0
boot1
boot2
loader.conf
loader.rc
mbr
pxeboot
Then I mount the stock mfsroot and copy my install.cfg over to script
sysinstall. I've actually got a script that I can use to easily update
install.cfg when needed.
The idea behind all this is to keep it as simple to setup as possible so
that me and my fellow network engineers at work can use this on their
laptops without spending too much time on setting it up. This way if we
need to install/re-install a box on a clients site we just rock up, run
a few commands or a script to set the laptop in jumpstart mode (once the
main thing has been setup it's just a matter of reconfiguring an
interface and starting a few services), plug it in to the box, netboot
and while the box is reinstalling we can have a chat with the client,
see how things are going, look good and provide a better service. This
also means that we always start with a machine that is in a know state.
It's something that is almost impossible to achieve when installing by
hand as everyone seems to do it differently.
I'm happy to share my docs once I've ironed it all out and tested properly.
Cheers,
Jedrek
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