V$MAP_ELEMENT

V$MAP_ELEMENT displays a list of all element mapping structures in the SGA of the instance.

Column	Datatype	Description
`ELEM_NAME`	`VARCHAR2(256)`	Element name
`ELEM_IDX`	`NUMBER`	Index corresponding to the element
`ELEM_CFGID`	`VARCHAR2(256)`	Configuration ID (N/A if configuration ID is not supported)
`ELEM_TYPE`	`VARCHAR2(12)`	Element type: `MIRROR` `STRIPE` `RAID5` `CONCATENATED` `PARTITION` `DISK` `NONE`
`ELEM_SIZE`	`NUMBER`	Element Size in HKB
`ELEM_NSUBELEM`	`NUMBER`	Number of Subelements
`ELEM_DESCR`	`VARCHAR2(256)`	Element Description
`STRIPE_SIZE`	`NUMBER`	Stripe Size in HKB for RAID-5 and STRIPE elements, `0` for the remaining types
`LIB_IDX`	`NUMBER`	Index of the library which claims ownership of the element