RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on d1 channel at 10/17/2017 02:10:03
ORA-19504: failed to create file "/mnt/oraclebackup-nast/bib_cft/bib_cft_1lsh6vnq_1_1.obk"
ORA-27040: file create error, unable to create file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 1