Solution : https://service.sap.com/sap/support/notes/102603 (SAP Service marketplace login required)
Key words : 
oracle_home -> oracle_home                oracle_sid  -> oracle_sid                oracle_term -> oracle_term                oracle_doc  -> oracle_doc                /oracle    -> /oracle      page, /usr/sap/<sid> /sys/exe/run/sapevt                    sap_trigger_rddimpdp -, starting upgrade  ii/  database upgrade problems  iii/  problems, ii/   database upgrade problems iii/  problems, /sapmnt/<sid>/profile/<sid>_dvebmgsxx_<hostname>, additional key words japan japanese unix 4, setenv path_to_codepage $home/codepage/                - source $home/, individual upgrade phase  iv/   problems, 0b japanese language disc ga2, aix customer iv/   problems
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