How to backup all recovery files in oracle ?

 RMAN> backup recovery files to destination '/u01/app/oracle/';

Starting backup at 24-MAY-25

using channel ORA_DISK_1

specification does not match any datafile copy in the repository

skipping archived logs of thread 1 from sequence 17 to 19; already backed up

skipping backup set key 19; already backed up 1 time(s)

skipping backup set key 20; already backed up 1 time(s)

skipping backup set key 21; already backed up 1 time(s)

skipping backup set key 22; already backed up 1 time(s)

skipping backup set key 23; already backed up 1 time(s)

skipping backup set key 24; already backed up 1 time(s)

skipping backup set key 25; already backed up 1 time(s)

skipping backup set key 26; already backed up 1 time(s)

skipping backup set key 27; already backed up 1 time(s)

skipping backup set key 28; already backed up 1 time(s)

Finished backup at 24-MAY-25

RMAN>