Solution : https://service.sap.com/sap/support/notes/1010217 (SAP Service marketplace login required)
Key words : 
- platform hp-ux itanium   7624190 merge label request, run oracle 10g rac enabled sap systems, unexpectedly removed- platform linux x86-64, platform hp-ux itanium, oracle clusterware release 10g release 2, - platform aix5l based systems, node   5467456 directory $ora_crs_home/crs_auth, symptom oracle clusterware, terms oracle clusterware, prerequisites oracle clusterware
Related Notes : 
       
| 1171095 | Information about Oracle RAC 10.2 | 
| 1102070 | Oracle RAC configuration for SAP running on AIX with GPFS | 
| 965912 | CPU patches July 2006 (Oracle Critical Update Program) | 
| 871735 | Current patch set for Oracle 10.2.0 | 
| 871096 | Oracle 10.2.0: Patches/patch collections for Oracle 10.2.0.2 | 
| 841728 | 10.2: Solutions for installation and upgrade problems | 
| 839187 | Oracle 10.2.0: Applying patch set/patches/patch collection | 
| 839182 | Installing patches using OPatch | 
| 527843 | Oracle RAC support in the SAP environment |