Is the nfs service active on the head node?
Is there a firewall service of any kind blocking ports? NFS is peculiar and
runs over a somewhat random range of ports so is hard to deal with in a
firewalled environment.
Check and make sure on the compute node that nfs_oscar is not pointing to
"localhost". This can be a problem if the /etc/hosts file on the head node
has the host name of the master node on the same line as 127.0.0.1. This
means the client nodes all end up pointing at themselves for services
instead of the actual head node where the services are. This problem is
detailed here:
http://svn.oscar.openclustergroup.org/wiki/oscar:5.0:install_guide:ch2.3_networking_notes
On 3/6/07, Marco Bayas <[EMAIL PROTECTED]> wrote:
Hi
I only found this :
" oscarnode01 mount: mount: failed to probe ports on NFS server nfs_oscar
oscarnode01 netfs: Mounting NFS filesystems: failed "
in "/var/log/messages"
with the command "dmesg" I got this:
"...Installing knfsd ..
eth0: no IPv6 routers present "
On Mar 5, 2007, at 4:29 PM, Michael Edwards wrote:
Check the output of the "dmesg" command as well as in "/var/log/messages"
for information about nfs.
On 3/5/07, Marco Bayas < [EMAIL PROTECTED]> wrote:
>
> Hi
> I have tried that several times. It does not work.
>
> There is always an error message when I reboot the client. The error
> appears for "Mounting NFS File systems...".
>
> Do you know if there is a "reboot log"? so I can check the error message
> in detail.
>
>
> On Mar 5, 2007, at 9:39 AM, Michael Edwards wrote:
>
> Have you tried rebooting the head node, waiting for it to completely
> boot, and then rebooting the compute node? Then run the install_cluster
> script again and rerun the tests.
>
> OSCAR doesn't seem to have refreshed your shell, or possibly the nfs
> daemon is not running, or both. Why? I have no idea. Historically these
> kind of problems usually are cleaned up with a reboot.
>
> If rebooting doesn't work I would start looking at the nfs mounts. You
> might double check there is no firewall in the chain, but since the install
> "succeeded" I suspect that is not the problem.
>
> On 3/2/07, Marco Bayas <[EMAIL PROTECTED] > wrote:
> >
> > Hello.
> >
> > I am trying to use OSCAR 5.0 with Mandriva 2006 in order to cluster
> > two computers. I got the mandriva 2006 Powerpack+ from the mandriva store
> > and I installed the system using the configuration suggested in the
> > OSCAR5.0 installation manual.
> >
> > I have followed all the steps indicated in the OSCAR installation
> > manual. I managed to run the cluster installation program until to step 7,
> > "Complete Cluster Setup", without any apparent problem. However, it was not
> > possible to complete step 8, "Test Cluster Setup". This is the output I got:
> >
> >
> > " "
> > Performing root tests...
> > Maui service check:maui [PASSED]
> > TORQUE node check [PASSED]
> > TORQUE service check:pbs_server [PASSED]
> > /home mounts 1 nodes failed [FAILED]
> >
> > Preparing user tests...
> > Performing user tests...
> > SSH ping test
> > [PASSED]
> > SSH server -- node
> > [EMAIL PROTECTED]
> > e01.oscardomain 's password:
> >
> > " "
> >
> > So, besides the "FAILED" message in line 5 of the output, I was asked
> > for a password (last line). I have not idea which password I should use.
> > Moreover, during the installation of OSCAR you are not required to use any
> > password!.
> >
> > Could somebody tell me what the problem might be?
> >
> > I am attaching the log file (gzipped)
> >
> >
> >
> > Any help will be appreciated
> >
> > Thanks
> > *Marco V. Bayas*
> > Departamento de Física y Astronomía
> > Escuela Politécnica Nacional
> > Casilla 17-12-656
> > Quito-Ecuador
> >
> > *Nothing great in the world has been accomplished without passion.*
> > Georg Wilhelm Friedrich Hegel
> >
> >
> >
> >
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> >
> >
> >
>
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> *Marco V. Bayas*
> Departamento de Física y Astronomía
> Escuela Politécnica Nacional
> Casilla 17-12-656
> Quito-Ecuador
>
> *Nothing great in the world has been accomplished without passion.*
> Georg Wilhelm Friedrich Hegel
>
>
>
>
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*Marco V. Bayas*
Departamento de Física y Astronomía
Escuela Politécnica Nacional
Casilla 17-12-656
Quito-Ecuador
*Nothing great in the world has been accomplished without passion.*
Georg Wilhelm Friedrich Hegel
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