Hello Everybody,
I am testing TSM 6.1 de-duplication in TSM Server 6.1 for AIX and TSM Client 
6.1 for AIX.
After careful reading TSM Server Administration Guide, which is quite weak from 
de-duplication point of view, I tried to test next scenario:

1.     Environment preparation:
-         define FILE device class for primary backup pool;
-         define primary backup pool DBK1 (device class FILE, RECLAIM=60, 
DEDUPLICATE=yes, IDENTIFYPROCCESS=0);
-         define TAPE device class for copy pools;
-         define on-site copy pool DCP1 (device class TAPE, DEDUPLICATE=no);
-         define out-of-country copy pool DCP2 (device class TAPE, 
DEDUPLICATE=no);
-         define disaster site copy pool DCP3 (device class TAPE, 
DEDUPLICATE=no);

2.     Running backups (no client compression):
-         run full backup for databases and selective backup for file systems 
(the first time and periodically later - for example, 2 times per month);
-         run incremental backups for databases and file systems all the other 
days;
-         copy DBK1 to on-site copy pool DCP1;
-         copy DBK1 to out-of country copy pool DCP2 and check out FULL and 
FILLING volumes by MOVE DRDATA;
-         copy DBK1 to disaster site copy pool DCP3 and check out FULL and 
FILLING volumes by MOVE DRDATA;
-         backup TSM database to tape;
-         enable de-duplication by IDENTIFY DUPLICATE DBK1 NUMPROCESS=1;
-         stop idle de-duplication process by IDENTIFY DUPLICATE DBK1 
NUMPROCESS=0;
-         start reclaim process by RECLAIM STGPOOL DBK1.

Expectations:
1)     full or incremental backups are running without de-duplication process 
for best performance;
2)     copy operations are running without de-duplication process for best 
performance;
3)     all copy pools contain data without de-duplication for safety;
4)     data in DBK1 is de-duplicated after completion of all copy operations;
5)     disk space is released in DBK1 by reclaim process on TSM server;
6)     de-duplication process in DBK1 is not changing status of DCP1, DCP2 and 
DCP3 copy pools.

 It looks as working scenario, but I will deeply appreciate any comments and 
suggestions.
Kindest regards,


Grigori G. Solonovitch

Senior Technical Architect

Information Technology  Bank of Kuwait and Middle East  http://www.bkme.com

Phone: (+965) 2231-2274  Mobile: (+965) 99798073  E-Mail: G.Solonovitch AT bkme 
DOT com<mailto:G.Solonovitch AT bkme DOT com>

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