Pat,
j'ai tes clés encore avec moi. Je serais au bureau demain très tôt,
genre 7:00.
A+
--
Fernando Laudares Camargos
Révolution Linux
http://www.revolutionlinux.com
---------------------------------------
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Michael Edwards wrote:
> 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
>>
>>
>>
>>
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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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>>
>> 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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>> 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
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>>
>>
>> -------------------------------------------------------------------------
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>> _______________________________________________
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>> 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
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>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>
>>
>>
>
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