rman_parms

This parameter defines additional parameters that RMAN passes to an external backup library, that is, backup_dev_type = rman_util|rman_disk|rman_stage.

Syntax: rman_parms = "<string>"

Default: none

Ask the vendor of the external backup library if it requires you to set additional parameters.

rman_parms = "BLKSIZE=65536 ENV=(BACKUP_SERVER=HOSTNAME)"

See also:

RMAN Backup with an External Backup Library

Oracle documentation