Issue:-
Tape mysqlbackup failed because of below
WARNING msg.
mysqlbackup: WARNING: binlog file
'mysql-bin.000161' does not exist. It could have been purged. PITR will not be
possible from this backup.
Solution:-
login to mysqlDB & check master status.
show master status;
if you see multiple Executed_Gtid_Set
reset master;
show master status;
this time get single Executed_Gtid_Set
re-run Tape mysqlbackup & check error log.