Hello to everyone,
I'm adapting the ParallelKnoppix live CD to export home to the compute
nodes via unionfs. This makes things very convenient, since a uniform
set of files is available to all the nodes in the cluster. One the
master node, the home dir is /UNIONFS/home/pk. This is nfs exported to
the nodes using the following entry in /etc/exports:
/UNIONFS/home/pk
192.168.0.0/255.255.255.0(rw,root_squash,fsid=42,async,no_subtree_check)
This works fine with a 2.6.17 kernel and unionfs 1.3. However, with a
2.6.18 kernel and unionfs 1.4, the compute nodes can't mount the
export, and the report the typical "reason given by server: permission
denied" error. So I'm looking for pointers as to how to get this going
with unionfs 1.4 (or I can switch to a 2.6.19 kernel and unionfs CVS,
if that would help).
I can supply details, if that would help. Also, though it'a a big
download, there are 2 iso images at
http://pareto.uab.es/mcreel/ParallelKnoppix/download/testing/
The one with "good" in the name is the working version with unionfs
1.3 and kernel 2.6.17, the other uses unionfs 1.4 and kernel 2.6.18.2,
and it doesn't work.
Any help would be greatly appreciated.
Regards, Michael
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