Solution : https://service.sap.com/sap/support/notes/118181 (SAP Service marketplace login required)
Key words : 
101_path               = @transdir@                                      101_path -> 101_space_check_path101_free_space_wanted  = 100101_break_on_nfs_error = no102_path               = @sapmountexe@                                      102_path -> 102_space_check_path102_free_space_wanted  = 240102_break_on_nfs_error = no103_path               = @sapmountglobal@                                      103_path -> 103_space_check_path103_free_space_wanted  = 50103_break_on_nfs_error = no104_path               = @sapmountprofile@                                      103_path -> 104_space_check_path104_free_space_wanted  = 10104_break_on_nfs_error = no105_path               = @sapdir@/@sapsystemname@                                      105_path -> 105_space_check_path105_free_space_wanted  = 350105_break_on_nfs_error =, error yyyy-yy-yy yy, additional key words spacecheck dialog, db2/csthe error occurs, db2/cs   error, yy r3spacecheck_ind_db6 internalcoldkeycheck, <install-dir>/dialog, /<install-dir>/dialog, prerequisites solution ------------------------<d019628, /3 dialog instance installation
Related Notes : 
       
| 147340 | Additional info on upgrade to 4.0B SR DB2/CS | 
| 98597 | Enhancements to the 4.0B DB2/CS upgrade | 
| 85254 | Installing a Dialog Instance/ Gateway, 4.0x/4.5A |