If nfs is broken, then nothing is going to work (unless you fiddle around a lot by hand) because OSCAR sets everything up to assume you have a shared home directory.
Can you ssh from the head to the compute node, and from the compute node to the head node (try as root, those passwords should be in the image)? Can you attach your /etc/hosts file? You can xxx out exteral IPs if you want. It still seems to me that there is a problem with that on one end or the other... Did you try the troubleshooting steps on the NFS Howto page I linked? On 3/8/07, Marco Bayas <[EMAIL PROTECTED]> wrote: > 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 > > > > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > > > Take Surveys. Earn Cash. Influence the Future of IT > > > > > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > > > > > opinions on IT & business topics through brief surveys-and earn cash > > > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > > > _______________________________________________ > > > > > Oscar-users mailing list > > > > > Oscar-users@lists.sourceforge.net > > > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > > Take Surveys. Earn Cash. Influence the Future of IT > > > > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > > > > opinions on IT & business topics through brief surveys-and earn cash > > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV_______________________________________________ > > > > Oscar-users mailing list > > > > Oscar-users@lists.sourceforge.net > > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > > > > > 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 > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > > Take Surveys. Earn Cash. Influence the Future of IT > > > > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > > > > opinions on IT & business topics through brief surveys-and earn cash > > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > > _______________________________________________ > > > > Oscar-users mailing list > > > > Oscar-users@lists.sourceforge.net > > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > Take Surveys. Earn Cash. Influence the Future of IT > > > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > > > opinions on IT & business topics through brief surveys-and earn cash > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV_______________________________________________ > > > Oscar-users mailing list > > > Oscar-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > > 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 > > > > > > > > > > ------------------------------------------------------------------------- > > > Take Surveys. Earn Cash. Influence the Future of IT > > > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > > > opinions on IT & business topics through brief surveys-and earn cash > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > _______________________________________________ > > > Oscar-users mailing list > > > Oscar-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > > > > > > ------------------------------------------------------------------------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > > opinions on IT & business topics through brief surveys-and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV_______________________________________________ > > Oscar-users mailing list > > Oscar-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > 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 > > > > > > > ------------------------------------------------------------------------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > > opinions on IT & business topics through brief surveys-and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > _______________________________________________ > > Oscar-users mailing list > > Oscar-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV_______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > > 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 > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Oscar-users mailing list Oscar-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/oscar-users
