AFS and dsm/dsmafs client programs
1999-07-21 12:27:23
Subject: |
AFS and dsm/dsmafs client programs |
From: |
Henning Soenke <hks AT IPP.MPG DOT DE> |
Date: |
Wed, 21 Jul 1999 18:27:23 +0200 |
Hi,
we have two problems with ADSM clients on our unix systems related to
our AFS installation. I'll describe both problems here. Could be helpful
for a solution:
1. Problem with command dsm:
dsm's "backup" and "archive" windows do not show
the mounted AFS-filesystem /afs while all other network fileystems
are visible. The problem appears on all unix workstation with all
our (v3r1) clients: Solaris 2.5.1, 2.5.6/7 and AIX 4.3
The problem does >not< appear on our MS-NT hosts.
AFS-mountpoint on our unix workstations is /afs,
on NT installations /afs/<our-afs-domain>.
But: on unix workstation we can successfuly backup or archive
parts of our /afs filesystem via the line mode command dsmc !
And: the dsmafs command on AIX shows the /afs filesystem mount point.
2. Problem with command dsmafs:
to avoid the typical click-tool-problem with an AFS-mountpoint /afs
for privileged users (world-wide path searching) we tried to hide /afs
for dsmafs - and for (theoretically .. compare 1. problem) dsm -
and to define other mountpoints of our local afs via option files. E.g.
exclude.fs /afs
(include /afs/<our-domain>)
virtualmountpoint /afs/<our-domain>/home/${USER}
- exclude.fs seams the only way to suppress a visible /afs mountpoint.
It works.
- and here comes the problem:
virtual mountpoints within the AFS-filesystem are >not always< visible.
Mostly not: ANS1837S File space /afs/<our-domain>/...... is ignored.
Multiple calls of dsmafs within an "unchanged" environment can show
different results.
But: this mountpoint definition method seams to work on local filesystems.
Reason ?
- Incomplete initialization within the dsmafs-module ? no
- Problem results from our general /afs mountpoint on unix systems ? perhaps
- Problem depends on the local afs-cache contents ? perhaps
- Bad mountpoint definition method of a newbie ? always a good reason
Thanks for your help,
Henning
Henning Soenke
Rechenzentrum Garching der MPG phone: +49 +89 3299-1335
Max-Planck-Institut fuer Plasmaphysik fax: +49 +89 3299-1301
Boltzmannstr. 2 e-mail: soenke AT rzg.mpg DOT de
D-85748 Garching (Munich), Germany/Allemagne http: www.rzg.mpg.de
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