Solution : https://service.sap.com/sap/support/notes/669711 (SAP Service marketplace login required)
Key words : 
build 026   cd51031071  linux/ppc  build 026   cd51031051  linux/x86  build 028   cd51031190  linux/ia64, <dbm pass> > param_startsession > param_put volumeno_bit_count 6 > param_checkall > param_commitsessionthen proceed, linux/i386  build 030   cd51031286  windows/x64  build 032   cd51031763, <dbm pass>                > param_startsession                > param_put volumeno_bit_count 6                > param_checkall                > param_commitsession, documentation ->  database upgrades -> maxdbthe valid maxdb cd numbers, registration file '/usr/spool/sql/ini/sap_dbtech, /patches > maxdb   > maxdb gui components/tools > maxdb dbmgui 7, db procs  53182 migrat     db-proc/trigger count, [mysql maxdb][sqlod32  dll][maxdb]  unable, maxdb instance update exited abnormallyto eliminate
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