On Sat, 1 Jan 2005, James Harper wrote:
> > Configuring a bridge is a multi-step process. At one point during the
> > process, normal communication is severed over eth0, while the bridge
> > itself is
> > not yet fully functional.
> > At this point, the root filesystem is no longer available, and the
> machine
> > falls over.
>
> I wonder if you could do this:
>
> 1. mount a tmpfs somewhere
> 2. copy in enough libs etc to make #4 work
> 3. chroot to the new tmpfs
> 4. set up the bridge and transfer the address across
> 5. leave the chroot environment
I had a version that did that.
nfsroot a small bootstrap system.
copy root to tmpfs.
pivot_root
setup bridge
start portmap
mount real nfsroot
kill portmap
pivot_root
continue boot
All steps worked, except that after continuing the boot, I kept getting odd
issues out no free locks. I got fustrated, and trying the ip routing
approach.
Note that the above does not use an initrd. Using a real nfsroot system makes
it easier to update.
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