[Beowulf] Problem while booting diskless node.
hahn at mcmaster.ca
Mon Apr 30 14:33:24 EDT 2007
> tools, and it worked a bit better but then it couldn't execute bash scripts
> such as rc.sysinit.
sounds like you should mount your full NFS root before rc.sysinit.
in fact, if you're really using an NFS root, there's no reason I know
of to prune things like bash and shared libraries out of it. if you're
using an initrd, then yes, you need to think about static linking and busybox.
> As anybody ever encountered such problems and what should I do to solve it?
> recompile the kernel of the node or of the server? change the distribution?
> Are there any other simpler method to proceed than using PXE?
permit me to take a step back and summarize some basic booting alternatives:
0. PXE delivers kernel+initrd. initrd includes scripts which mount the
root fs over nfs. code in the initrd itself needs to do busybox-like
stuff, but would mount the full rootfs, pivot and exec init.
1. PXE delivers kernel, but potentially no initrd because kernel-level
autoconfig mounts the full-blown root filesystem and exec's init.
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