Let us know if you have to set up the home directories by hand again. It seems like the nfs_oscar alias is not getting defined, which is a problem.
On 3/9/07, Marco Bayas <[EMAIL PROTECTED]> wrote: > Ok. > > It seems nfs is active. I made a mistake last time. I did not use the name > of the head node "marsu.cluster" > > This time I went to the client and did "mount -t nfs marsu.cluster:/home > /home". With this I got the home directory of my head node into the home > directory of the client. After I did this, I ran the oscar wizard (just for > curiosity) and then the "Test cluster Setup". This time all the tests > passed!!!. > > Anyway, I am going to repeat all the process of installation again (starting > with Mandriva installation). If I got the "failed" messages when I am > running the "Test Cluster Setup", I will go to the client and do the mount > manually. I want to make sure that I got it !!! > > Thanks a lot!! > > On Mar 8, 2007, at 3:35 PM, Michael Edwards wrote: > > 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 > > 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
