Solution : https://service.sap.com/sap/support/notes/393865 (SAP Service marketplace login required)
Key words : 
1 pre-installation2 r3setup - instance installation3 post-installation4 installation documentation - changes5 news -, terms r3setup db2foros/390 os/390 mvs installation windowsnt aix reason, db6cstrace~1  nast~adq  varis~db6, <sid><rel>                              os/390 unix system services, pqty -> 5000   sqty -> 2000 create catalog index, sap web application server release 6, equivalent jcl jobs directly, 3 post-installation additional transport, os/390 unix system services, enter transaction code stms
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