V$BACKUP_ASYNC_IO

Columns
   ___________________________
 
   CLOSE_TIME
   LONG_WAITS
   LONG_WAIT_TIME_TOTAL
   SHORT_WAIT_TIME_MAX
   SHORT_WAIT_TIME_TOTAL
   SHORT_WAITS
   READY
   IO_COUNT
   EFFECTIVE_BYTES_PER_SECOND
   BYTES
   MAXOPENFILES
   ELAPSED_TIME
   TYPE
   SID
   SERIAL
   OPEN_TIME
   USE_COUNT
   DEVICE_TYPE
   STATUS
   FILENAME
   SET_COUNT
   SET_STAMP
   BUFFER_SIZE
   BUFFER_COUNT
   TOTAL_BYTES
   LONG_WAIT_TIME_MAX

Related Views:

V$ARCHIVE 
V$ARCHIVED_LOG 
V$ARCHIVE_DEST 
V$ARCHIVE_PROCESSES 
V$BACKUP 
V$BACKUP_CORRUPTION 
V$BACKUP_DATAFILE 
V$BACKUP_DEVICE 
V$BACKUP_PIECE 
V$BACKUP_REDOLOG 
V$BACKUP_SET 
V$DELETED_OBJECT 
V$RECOVERY_FILE_STATUS 
V$RECOVERY_LOG 
V$RECOVERY_PROGRESS 
V$RECOVERY_STATUS 
V$RECOVER_FILE