Solution : https://service.sap.com/sap/support/notes/387127 (SAP Service marketplace login required)
Key words :
dbs/db2/ssid_standby = d6z0 dbs/db2/hosttcp_standby = ihsapgcin, 1 pre-installation2 r3setup - instance installation3 post-installation4 installation documentation -, terms r3setup db2foros/390 os/390 mvs installation windowsnt aixlinux, daemon class facility- read access profile bpx, superuser class facility- read access profile bpx, progctl class facility os/390 instances, - read access profile bpx, rsdb_db2hoststandby=ihsapgc rsdb_db2portstandby=4511 runstats problems, 3 post-installation add steplib, windows nt - db2 udb