/etc/hosts is like this on all nodes:

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1       localhost.localdomain   localhost
192.168.0.100 cc32.kust.edu.pk cc32 oscar_server nfs_oscar pbs_oscar

# These entries are managed by SIS, please don't modify them.
192.168.0.1          oscarnode1.kust.edu.pk     oscarnode1
192.168.0.2          oscarnode2.kust.edu.pk     oscarnode2
192.168.0.3          oscarnode3.kust.edu.pk     oscarnode3
192.168.0.4          oscarnode4.kust.edu.pk     oscarnode4
192.168.0.5          oscarnode5.kust.edu.pk     oscarnode5
192.168.0.6          oscarnode6.kust.edu.pk     oscarnode6
192.168.0.7          oscarnode7.kust.edu.pk     oscarnode7
192.168.0.8          oscarnode8.kust.edu.pk     oscarnode8
192.168.0.9          oscarnode9.kust.edu.pk     oscarnode9
192.168.0.10         oscarnode10.kust.edu.pk    oscarnode10
--------------------- rest deleted---------------

lutfullah

On 4/24/07, Michael Edwards <[EMAIL PROTECTED]> wrote:
> Try rebooting the head node, waiting until it is completely booted, and then
> rebooting all the client nodes.  If everything is set up right, that might
> fix the problem.  You can check if it is working by sshing to the compute
> node and doing "ls /home" and comparing it to the head node.
>
> Check /etc/exports and make sure /home is exported to the internal network,
> and the fstab in the image and nodes to make sure it is being mounted.
>
> Another common problem is an incorrect /etc/hosts files, see if it is
> something like
> 127.0.0.1 localhost.localdomain localhost
> 10.0.0.1 oscarmaster.oscardomain oscarmaster nfs_oscar pbs_oscar
>
> If the cluster hostname is on the same line as localhost, that will cause
> this kind of problem because the nodes will be trying to contact themselves
> instead of the head node for nfs mounts.
>
> Not much will work without nfs working unfortunately.
>
>
> On 4/23/07, Dr. Lutfullah <[EMAIL PROTECTED]> wrote:
> > Thanks a lot. There are 15 log files. I am attaching two.
> >
> > lutfullah
> >
> > On 4/23/07, Michael Edwards < [EMAIL PROTECTED]> wrote:
> > > Please send your oscarinstall.log file.
> > >
> > >
> > > On 4/23/07, Dr. Lutfullah <[EMAIL PROTECTED] > wrote:
> > > >
> > > > Hello,
> > > >
> > > > I am using fedora core 4 and trying to install oscar on a cluster with
> > > > 32 HP P4 computers.
> > > > Everything has gone well except for the last step in which I get tests
> > > > FAILED errors.
> > > > Something like:
> > > > /home mounts 31 nodes FAILED
> > > > SSH ping test PASSED
> > > > SSH server > node FAILED
> > > > SSH node -> server FAILED
> > > > TORQUE shell test
> > > > goes into a loop and produces
> > > > Checking for NFS propagation of MPI preferences     not yet
> > > > this message then keeps on appearing.
> > > > Could anyone please help.
> > > > This is our first experience with a cluster.
> > > >
> > > > lutfullah
> > > >
> > > >
> > >
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> > >
> > >
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> > >
> > >
> >
> >

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