From: Robert Schueler (schueler@emt.iis.fhg.de)
Date: Wed May 28 2003 - 12:04:08 EDT
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
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