Solution : https://service.sap.com/sap/support/notes/82211 (SAP Service marketplace login required)
Key words : 
sapservx ~ftp/general/r3server/abap/note, f30~ftp/general/r3server/abap/note, directories /usr/sap/trans/cofiles, /usr/sap/trans/log/slog, /usr/sap/trans/bin, component bc-adm-mig-, /usr/sap/trans/data, option 'setup sapdba/brarchive', tp addtobuffer f30k900004 <sid>, load customer export files
Related Notes : 
       
| 101216 | INST: 3.1I R/3 Inst. - Heterogeneous System Copy | 
| 101215 | INST: 3.1I R/3 Inst. - Homogeneous System Copy | 
| 89698 | INF: R/3 System copy | 
| 67706 | DBCOPY: 3.0E DBCOPY on UNIX - Informix Database | 
| 46272 | Implement new data class in technical settings |