Solution : https://service.sap.com/sap/support/notes/179150 (SAP Service marketplace login required)
Key words : 
databases2  adabas d3  informix4  ms sql server5  oracle r3load procedure6  db2 common server7  db2/4008  db2, tpl  msgid=ri_gist_dbgetdatabasesize_ind_ind  step_env=db_env  step_user=@osusersidadmpasswd_nt_ind=username@  step_userpassword=@osusersidadmpasswd_nt_ind=password@2, tpl  msgid=ri_gist_dbgetdatabasesize_ind_ind  run_as_group=sapsys  run_as_user=sqd@lower_sapsystemname@  step_env=db_env_sqdsid, [dbgetdatabasesize_ind_ada]  class=cgetdatabasesize  filename=@export_dir1@/db/@migrate_to_db@/dbsize, [dbgetdatabasesize_ind_ada]  class=cgetdatabasesize  filename=@export_dir1@\db\@migrate_to_db@\dbsize, 6  db2 common server 7  db2/400 -----------------------< c5018355, database export files22/aug/01   7     sapscript loads06/aug/01   1, 3  informix 4  ms sql server ------------------------<d020432, contents     =================date    section  description-----------------------------------------------------------------------29/aug/05   1     ignore, alter global_name03/apr/00   7     prevent abnormal termination
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