BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
400     Full    8.38G      DISK        00:33:52     09-MAY-10
        BP Key: 400   Status: EXPIRED  Compressed: YES  Tag: INCREMENTAL_BACKUP
        Piece Name: /opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1
  List of Datafiles in backup set 400
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 554915230  09-MAY-10 /opt/oracle/oradata/ORCL/undotbs01.dbf

RMAN> quit

RMAN> catalog backuppiece "/opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1";

ORA-19870: error reading backup piece /opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1
ORA-19505: failed to identify file "/opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1"
ORA-27046: file size is not a multiple of logical block size
Additional information: 1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of catalog command at 05/13/2010 19:05:55
RMAN-06209: List of failed objects
RMAN-06211: ==========================
RMAN-06212:   Object Type   Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece    /opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1

RMAN>

Recovery Manager complete.
[oracle@localhost ~]$ ls /opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1
/opt/oracle/rman/backup/incremental/incr_backup_t718585309_s461_p1