I got nothing
This is the error message in the client node:
"mount: can't get address for nfs_server"
Does that mean the nfs service is not active?
I was looking a some of the features included with OSCAR and I
concluded that the only package I need is Torque (I want to run a
biomolecular calculations program). So I tried to submit jobs from
the head node using the command "qsub". I got this error message:
"qsub: Bad UID for job execution". Could you help me to go around
this problem? Apparently this is a problem of hosts definition
On Mar 7, 2007, at 10:11 AM, Michael Edwards wrote:
The easiest way to test nfs is by going to the client and doing the
following
mount -t nfs nfs_server:/home /home
This should result in your home directory mounted or, hopefully, an
error message in either the terminal or /var/log/messages on either
the client or the server.
Check and make sure there is something sensible looking in /etc/
exports
You could also try some of the suggestions here:
http://www.linux.com/howtos/NFS-HOWTO/troubleshooting.shtml
This is the same problem on mandrivia even, but no resolution
http://mandrivausers.org/lofiversion/index.php/t32012.html
Hope this helps.
On 3/7/07, Marco Bayas <[EMAIL PROTECTED]> wrote:
The nfs service appears to be active. I checked the "/var/log/
messages" and all the processes related with nfs are marked as
"succeded". Perhaps you can tell me about a more direct way to test
the activity of nfs. I have been looking in the internet for
information but I got lost :(
I am pretty sure there is no firewall service and the /etc/hosts
file is fine. nfs_oscar is not pointing to localhost. I edited this
file before starting the OSCAR installation.
About the blocking ports. I am working on that now (that means
learning).
I was wondering if it is possible that the OSCAR tarballs I got
from the internet are somehow corrupted.
On Mar 6, 2007, at 11:57 AM, Michael Edwards wrote:
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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Casilla 17-12-656
Quito-Ecuador
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Georg Wilhelm Friedrich Hegel
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Quito-Ecuador
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Georg Wilhelm Friedrich Hegel
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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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