V$ASM_FILE

In an Automatic Storage Management instance, V$ASM_FILE displays one row for every Automatic Storage Management file in every disk group mounted by the Automatic Storage Management instance. In a database instance, V$ASM_FILE displays no rows.

Column	Datatype	Description
`GROUP_NUMBER`	`NUMBER`	Number of the disk group containing the file (composite primary key)
`FILE_NUMBER`	`NUMBER`	Number of the file within the disk group (composite primary key)
`COMPOUND_INDEX`	`NUMBER`	A 32-bit number consisting of a disk group number in the high-order 8 bits and a file number in the low-order 24 bits (for efficient access to the view)
`INCARNATION`	`NUMBER`	Incarnation number for the file (composite primary key)
`BLOCK_SIZE`	`NUMBER`	Block size of the file (in bytes)
`BLOCKS`	`NUMBER`	Number of blocks in the file
`BYTES`	`NUMBER`	Number of bytes in the file
`SPACE`	`NUMBER`	Number of bytes allocated to the file
`TYPE`	`VARCHAR2(64)`	Type of the file
`REDUNDANCY`	`VARCHAR2(6)`	Redundancy of the file: `UNPROT` `MIRROR` `PARITY`
`STRIPED`	`VARCHAR2(6)`	Indicates how the file is striped: `FINE` `COARSE`
`CREATION_DATE`	`DATE`	Date on which the file was created
`MODIFICATION_DATE`	`DATE`	Date of the last open/close for writing