Solution : https://service.sap.com/sap/support/notes/780546 (SAP Service marketplace login required)
Key words : 
directly configure database log file management, related documentation --> ibm db2 universal database, cluster manager ibm tivoli system automation, public  create user temporary tablespace systoolstmpspace, db2-specific log file management, sap log file management tools, database log file management 6, database log file management, db2 log file management, ibm db2 universal database
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