ADSM-L

TDP/SQL and Striping

2004-04-19 05:29:27
Subject: TDP/SQL and Striping
From: Jeff White <jeff.white AT CIS.CO DOT UK>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 19 Apr 2004 10:31:49 +0000
Hi,

TSM server v5.1.5.2 running on IBM mainframe. OS is Z/OS 1.4
TSM Client v4.1.5.0
TDP version 2.2.1
SQL Server 7.0

I have a 20gb SQL database that takes slightly more than an hour to backup
using TDP and a 200gb SQL database taking 15 hours to backup using TDP.

I am considering using striping. I have read the redbook and the TSM/SQL
installation and Users guide and have evrything setup, or so i thought.

Collocation on FILESPACES
Node MAXNUMMP set to 8 mount points
Device Class set to Mount Limit 8
TXNGROUPMAX set to 256
The 20gb database is on one physical disk
The 200gb database is spread across 3 physical volumes

When i backup, it only uses a single thread, i.e. one mount point. Do i
need to ask our Database Admin guys to put striping on the SQL database?
The manuals were'nt clear about this


Jeff White
Senior Systems Programmer
ICT Operations and Services
CIS
1st Floor
Miller Street
0161 837 5020
jeff.white AT cis.co DOT uk




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