ADSM-L

Why back up everything twice?

2001-10-15 12:10:16
Subject: Why back up everything twice?
From: Kai Hintze <kai_hintze AT ALBERTSONS DOT COM>
Date: Mon, 15 Oct 2001 10:07:12 -0600
Oh vastly experienced TSM wise ones! You helped me with my questions about
compression. Now I come before you with another puzzlement, petitioning your
assistance.

Client is AIX 4.3.2.0 running ADSM client 2.1.8 against a 3.1.2.20 server.
(I know, but they work, mostly, and this whole data center is going away
soon.)

But this one client is strange, in that it backs up everything twice, first
as part of the root file system, then again with everything in its proper
file system. For example these excerpts from the client log:

10/14/2001 21:37:24 Incremental backup of file system: '/'
<snip>
10/15/2001 04:32:51 Normal File-->         299,008 /usr/lib/objrepos/PdAt
Sent
10/15/2001 04:32:52 Normal File-->         131,072 /usr/lib/objrepos/PdAt.vc
Sent
10/15/2001 04:32:53 Normal File-->          81,920 /usr/lib/objrepos/PdCn
Sent
10/15/2001 04:32:53 Normal File-->          45,056 /usr/lib/objrepos/PdDv
Sent
10/15/2001 04:32:54 Normal File-->          40,960 /usr/lib/objrepos/PdDv.vc
Sent
10/15/2001 04:36:19 Normal File-->         708,201 /var/adm/schedule.log
Sent
10/15/2001 04:37:44 Successful incremental backup of '/'

10/15/2001 04:41:57 Incremental backup of file system: '/var'
10/15/2001 04:41:59 ANS4102I ***** Processed    96,500 files *****
10/15/2001 04:41:59 Normal File-->         719,339 /var/adm/schedule.log
Sent

10/15/2001 04:37:26 Incremental backup of file system: '/usr'
<snip>
10/15/2001 04:41:18 Normal File-->         299,008 /usr/lib/objrepos/PdAt
Sent
10/15/2001 04:41:20 Normal File-->         131,072 /usr/lib/objrepos/PdAt.vc
Sent
10/15/2001 04:41:20 Normal File-->          81,920 /usr/lib/objrepos/PdCn
Sent
10/15/2001 04:41:21 Normal File-->          45,056 /usr/lib/objrepos/PdDv
Sent
10/15/2001 04:41:21 Normal File-->          40,960 /usr/lib/objrepos/PdDv.vc
Sent

</quote>

Any ideas why this is doing such a strange thing? Other (seemingly)
identical clients back up to the same server properly. This is particularly
obnoxious, since the client in question is on a slow line.

TIA,
Kai.
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