automount/autofs fail on our Tru64-Cluster

From: Robert Schueler (schueler_at_emt.iis.fhg.de)
Date: 05/28/03

  • Next message: Rezk Mekhael: "extract command" 
    Date: Wed, 28 May 2003 18:04:08 +0200
To: tru64-unix-managers@ornl.gov

    Dear Managers

    Today we discover a strange behaviour while running automount or autofs
    on an Tru64-Cluster(two COMPAQ AlphaStation DS20E) with Compaq Tru64
    UNIX V5.1A (Rev. 1885). We have applied latest patches.

    For easier work I want to set up automount or autofs to mount Users
    Home-Directory under /home. I use the rc.config.common-File for this
    purpose and restart nfs with the start-stop-scripts under /sbin/init.d
    to take advantage of my changes.
    Automounter-Arguments are: "/home auto.home". Now everytime I change to
    /home nothing happens like if I do an "ls -l /" ("ls /" works fine also
    an "ls -l" in every directory except "/"). Tracing system calls with
    truss show that it hangs on an stat for /var.

    Because this is not a testing-system I decided to stop automount and
    list some of the Users Home-Dir in /etc/fstab. After restarting nfs I
    did /sbin/init.d/nfsmount start. The process hang and I got timeout for
    the local nfs-server. This machine is configured as a NFS-Server, too
    but the shares I wanted to mount, are exported by an other server.

    To summarize all nfs- and automount-processes are down. On both members.
    But mounting any nfs-shares under /home fail. If I do a "mount -e" there
    is an entry for the automount-daemon and the /home-Mountpoint. Under the
    pid to which this entry refer no process exist. The only way to go back
    to normal operation is to reboot one of the members.

    At this point I don't know how I can provide more informations to make
    the problem something clearer. Any hints are welcome. :) 

    -- 
Robert Schueler
Fraunhofer IIS - Arbeitsgruppe EMT Ilmenau
mailto:schueler@emt.iis.fhg.de
  • Next message: Rezk Mekhael: "extract command"

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