contents of config file ==> oracle_ddbda.cfg

cat /opt/dpsapps/dbappagent/config/oracle_ddbda.cfg
DDBOOST_USER =ddboost_test
DEVICE_HOST =oratst0001.skillerstech.com
DEVICE_PATH =/ddboost_test


RMAN> run
2> {
3>  ALLOCATE CHANNEL C1 DEVICE TYPE SBT_TAPE PARMS 'BLKSIZE=1048576,
    SBT_LIBRARY=/opt/dpsapps/dbappagent/lib/lib64/libddboostora.so,
    SBT_PARMS=(CONFIG_FILE=/opt/dpsapps/dbappagent/config/oracle_ddbda.cfg)' 
    FORMAT '%d_%U';
4>  backup archivelog all;
5> }

allocated channel: C1
channel C1: SID=34 device type=SBT_TAPE
channel C1: Database Application Agent Oracle v4.6.0.0

Starting backup at 05-DEC-18
current log archived
channel C1: starting archived log backup set
channel C1: specifying archived log(s) in backup set
input archived log thread=1 sequence=7 RECID=1 STAMP=994053872
input archived log thread=1 sequence=8 RECID=2 STAMP=994054851
input archived log thread=1 sequence=9 RECID=3 STAMP=994054862
input archived log thread=1 sequence=10 RECID=4 STAMP=994054865
input archived log thread=1 sequence=11 RECID=5 STAMP=994055047
input archived log thread=1 sequence=12 RECID=6 STAMP=994055149
channel C1: starting piece 1 at 05-DEC-18
channel C1: finished piece 1 at 05-DEC-18
piece handle=VIRTUALD_09tk04vd_1_1 tag=TAG20181205T062549 comment=API 
Version 2.0,MMS Version 4.6.0.0
channel C1: backup set complete, elapsed time: 00:00:03
Finished backup at 05-DEC-18
released channel: C1

RMAN>