Datafile Backup By RMAN

datafile backup by RMAN 

run {

allocate channel d1 type disk;

allocate channel d2 type disk;

allocate channel d3 type disk;

allocate channel d4 type disk;

backup format

'/exp_backup/rman_28sep2024/28Sep2024/datafile_bckup_%d_%t_%U.bus' 

datafile 115,114,110,94,79,60 ,41 ,40 ,37 ,26;

}