RMAN backup fails ANU2503E "Backup object already exists on TSM (Doc ID 443900.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.6 [Release 10.1 to 11.1]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

RMAN perform a backup using a disk channel, which does not use TDPO at all.Then allocate a channel with "sbt_tape" and perform a backup of the created backup pieces.

................................
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channel oem_sbt_backup1: starting piece 1 at 06-JUL-07
channel oem_sbt_backup1: backup piece +DG_SGO_FRA/sgo/backupset/2007_06_12/nnndn1_tag20070612t022754_0.1848.625026477
released channel: oem_sbt_backup1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on oem_sbt_backup1 channel at 07/06/2007 16:22:56
ORA-19506: failed to create sequential file, name=""BKP_DB"_SGO_d7702_p1_gmik29dd_1_3.bkp", parms=""
ORA-27028: skgfqcre: sbtbackup returned error
ORA-19511: Error received from media manager layer, error text:
            ANU2503E Backup object '/SGO//"BKP_DB"_SGO_d7702_p1_gmik29dd_1_3.bkp' already exists on TSM Server.
ORA-19600: input file is backup piece (+DG_SGO_FRA/sgo/backupset/2007_06_12/nnndn1_tag20070612t022754_0.1848.625026477)

Cause

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