Re: ASM privileges

Posted by ErmanArslansOracleBlog on Nov 23, 2018; 8:22am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/ASM-privileges-tp6503p6957.html

Your ASM disks are owned by grid:asmadmin, right?

IF so, only users that are members of the asmadmin group have direct access to ASM disks and maintenance.
As for RDBMS owner (oracle in your case), this access is gained via the oracle executable ($ORACLE_HOME/bin/oracle). It should have a setgid bit with group set to "asmadmin".

So the binary permission will be like the following;

-rwsr-s--x 1 oracle asmadmin  (chmod 6751 oracle)

So, when the proper permissions are set for the oracle binary, oracle Osuser don't need to be in asmadmin group .