V$ASM_USER

V$ASM_USER displays the effective operating system user names of connected database instances and of file owners.

Column	Datatype	Description
`GROUP_NUMBER`	`NUMBER`	ASM disk group number
`USER_NUMBER`	`NUMBER`	ASM internal unique user number
`COMPOUND_INDEX`	`NUMBER`	A 32-bit number consisting of a disk group number in the high-order 8 bits and a user number in the low-order 24 bits (for efficient access to the view)
`INCARNATION`	`NUMBER`	Incarnation number of the user
`OS_ID`	`VARCHAR2(128)`	Operating system user ID
`OS_NAME`	`VARCHAR2(64)`	Operating system user name