Solution : https://service.sap.com/sap/support/notes/901732 (SAP Service marketplace login required)
Key words : 
single physical itanium hp-ux server/npar, /bc/docs/support/supportmanual/c02018827/c02018827, hp-ux guest os version supporthp-ux 11, hp integrity vm supports hp-ux, host os version supporthp-ux 11, hp integrity virtual machines manager, hpvm release notes & configuration guide, hp-ux itanium servers, entire hardware/os stack, hp integrity virtual machines
Related Notes : 
       
| 1492000 | General Support Statement for Virtual Environments | 
| 1491406 | Virtualization with HP-UX: Enhanced monitoring | 
| 1457063 | SAP on HP-UX: Consolidating SAP Systems | 
| 1351051 | Support of Oracle for HP-UX Itanium Integrity VM | 
| 1142243 | MaxDB release for virtual systems | 
| 1075118 | SAP on HP-UX: FAQ | 
| 991034 | CODE_NOTIMPLEMENTED runtime error HP-UX Itanium (NW 2004S) | 
| 837670 | Minimum OS patch recommendations for HP-UX | 
| 21960 | Several instances/systems on one UNIX computer |