Solution : https://service.sap.com/sap/support/notes/682077 (SAP Service marketplace login required)
Key words : 
terms db2 v8 migration dsntijpm dsntijp8 cm catmaint catenfm codepage reason, truncated limit key-------------------------------------------------ibm apar pq48024 corrects truncated limit keys, db2-established stored procedure address spaces deprecated----------------------------------------------------------db2 v8 deprecates, db2-established address spacesfor stored procedures, db2 v7 job dsntej1 recreates dsn8d17a, db2 v7 sample database dsn8d17a, truncated limit key, encoding scheme------------------------------------------dsntijpm performs queries, call language compjava stored procedures, db2 v7 sample database
Related Notes : 
       
| 848384 | DB2-z/OS: Inconsistent fields with DDIC type RAW/LRAW/VARC | 
| 679694 | DB2/390: Fixing index names after CCSID switch | 
| 660501 | DB2-z/OS: System CCSID 500 | 
| 81737 | DB2-z/OS: APAR List |