ADSM-L

TSM wizardry ?

2001-11-08 04:35:57
Subject: TSM wizardry ?
From: PAC Brion Arnaud <arnaud.brion AT PANALPINA DOT COM>
Date: Thu, 8 Nov 2001 10:33:42 +0100
Hi folks !

Here is a case that seems really strange to me.
The picture : we have a node called pacrs170, that hosts a filespace
named /fsdbexp. We  used to backup this filespace daily, until we found
it was useless keeping that data. I then decided do delete this
filespace from TSM db, what worked perfectly : no trace from it at all,
using show version, q fi, q occ aso .....
The day after, I checked this node again, and found the filespace was
back, using q fi !
I am sure the filespace is excluded from my backup : 
this is an extract of my inclexcl : 

Exclude /fsdbexp/.../*
Exclude /fsdbexp/*

and this is an extract of backup log :
 
11/05/01   21:12:14 Normal File-->               847
/fsAdmin/DBA/TOOLS/SQL/upd_stats_ol2.sql [Sent]
11/05/01   21:12:17 Successful incremental backup of '/fsAdmin'
11/05/01   21:12:17 Successful incremental backup of '/fsdbexp'
11/05/01   21:12:17 Symbolic Link-->              18
/fr170ifxsrv2/chunk/lr170asd5101 [Sent]

This node belongs a policy domain who's default management class is
called AIX-SYSTEM, but was once backuped using another mgmt class called
backup_2_years, whose backup copy group has following caracteristics : 
Versions Data Exists NOLIMIT 
Versions Data Deleted NOLIMIT 
Retain Extra Versions 730 
Retain Only Version 730 
Copy Mode MODIFIED 
Copy Serialization SHRDYNAMIC 
Copy Frequency 0 
Copy Destination DISKPOOL_ARCH
If I now do a q occ for this node, I don't see nothing concerning this
/fsdbexp filespace, but if I do a q fi I obtain : 
PACRS170                  /fsdbexp               AIX JFS
65,536.0           85.9

Doing a show version pacrs170 /fsdbexp gives me (snippet of it) :
/fsdbexp : / pacpan_save (MC: BACKUP_2_YEARS)
Active, Inserted 11/07/01 21:11:54
ObjId: 0.91678174
/fsdbexp : / tivoli (MC: BACKUP_2_YEARS)
Active, Inserted 11/07/01 21:11:54
ObjId: 0.91678175
/fsdbexp : /dbexp1/ HPL (MC: BACKUP_2_YEARS)
Active, Inserted 11/07/01 21:11:54
ObjId: 0.91678176
/fsdbexp : /dbexp1/HPL/ agent (MC: BACKUP_2_YEARS)
Active, Inserted 11/07/01 21:11:54
ObjId: 0.91678177
/fsdbexp : /dbexp1/HPL/ db_admin (MC: BACKUP_2_YEARS)
Active, Inserted 11/07/01 21:11:54
ObjId: 0.91678178 
Could anybody explain me why this filespace comes back when I delete it,
why I can see it using q fi, but not using q occ, and why "show version"
shows me those objects with inserted date corresponding (ok few seconds
difference) with the date of daily backup for this node, but using a
mgmt class not associated with this filespace in my incl-excl list,
furthermore this list excludes that filespace !???
Is it linked with the fact I backuped that filespace once using mgmt
class "backup_2_years" that has retain only version 730 days ? How could
I then definitely erase this data  ? I'm very confused, if anybody has a
clue ...
TIA.
Arnaud




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| Arnaud Brion, Panalpina Management Ltd., IT Group     |
| Arnaud Brion, Panalpina Management Ltd., IT Group     |
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