Solution : https://service.sap.com/sap/support/notes/81789 (SAP Service marketplace login required)
Key words : 
tpl' additional key words tablespace sizes, db2 common server solution note, open file /db/ddldb6, db2 common server, user db2<sapsid>, template file sapfs, 'update statistics' function, prerequisites system copy, heterogeneous system copy, database build phase
Related Notes : 
       
| 101216 | INST: 3.1I R/3 Inst. - Heterogeneous System Copy | 
| 101215 | INST: 3.1I R/3 Inst. - Homogeneous System Copy |