Solution : https://service.sap.com/sap/support/notes/573990 (SAP Service marketplace login required)
Key words :
6b apply referenced support packages, dbsys = 'db6' update sap<sapsid>, 'archive inactive log files, dbsys = 'db6' update sapr3, update sap<sapsid>, sdbac set pstring = '-, symptom 'initialize tape, tape -initialize force @ [-, dbsys = 'db6'4, update sapr3
Related Notes :
| 538315 | Central SAP Note for DB6 Admin Tools |