Best way to identify backup pieces created by a failed backup
Version: Oracle 11gR2, but probably irrelevant
We backup to the file system. Sometimes RMAN crashes because e.g. the database is shutdown abort. RMAN log shows the backup piece names
piece handle=/zfssa/backup1/exahdwfp/rman/level0_exahdwfp_peublnar_17_1 tag=INCREMENTAL0 comment=NONE
channel c1: starting piece 18 at 20190913 19:18:38
channel c5: finished piece 18 at 20190913 19:18:53
piece handle=/zfssa/backup1/exahdwfp/rman/level0_exahdwfp_piublnas_18_1 tag=INCREMENTAL0 comment=NONE
channel c5: starting piece 19 at 20190913 19:18:53
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00601: fatal error in recovery manager
RMAN-03004: fatal error during execution of command
ORA-03114: not connected to ORACLE
ORACLE error from target database: