Solution : https://service.sap.com/sap/support/notes/82030 (SAP Service marketplace login required)
Key words : 
<sapsid>/dbname         = <sapsid>    <sapsid>/dbhost         = <sapdbhost>    <sapsid>/dbtype         = db2               refer, /3 library -> basis components -> system administration -> transport system -> setting, delete file /usr/sap/trans/buffer/<sapsid>, directory /usr/sap/trans/bin, dir_put = /usr/sap/transand restart, transport directory \usr\sap\trans, call   #>  car -xvf <pfad>/transxyz, additional key words os/390, user <sapsid>adm, #> tp  connect  <sapsid>
Related Notes : 
       
| 359375 | DB2/390: RSDB2FIX - Better Performance | 
| 87204 | DB2/390: Heterogeneous system copy 3.0F. | 
| 82026 | DB2/390:Database conversion FIXCHAR to VARCHAR 3.0F | 
| 82011 | DB2/390: Installation of a 3.0F VARCHAR database |