One of our AIX RMAN backups are failing after so man dataset/tapes are allocated. I'm not seeing any errors in the actlog, but this seems to happen over and over
2010/04/30 13:38:31: channel PE1_tape1: finished piece 1 at Apr 30 2010 13:38:31
2010/04/30 13:38:31: piece handle=PE1_db_71768715944096_1 tag=TAG_PE1_0 comment=API Version 2.0,MMS Version 5.3.3.0
2010/04/30 13:38:31: channel PE1_tape1: backup set complete, elapsed time: 00:05:52
2010/04/30 13:38:31: channel PE1_tape1: starting incremental level 0 datafile backupset
2010/04/30 13:38:31: channel PE1_tape1: specifying datafile(s) in backupset
2010/04/30 13:38:31: input datafile fno=00027 name=/oracle/PE1/sapdata1/pe1_12/pe1.data12
2010/04/30 13:38:31: channel PE1_tape1: starting piece 1 at Apr 30 2010 13:38:31
2010/04/30 13:38:46: channel PE1_tape0: finished piece 1 at Apr 30 2010 13:38:46
2010/04/30 13:38:46: piece handle=PE1_db_71768720544097_1 tag=TAG_PE1_0 comment=API Version 2.0,MMS Version 5.3.3.0
2010/04/30 13:38:46: channel PE1_tape0: backup set complete, elapsed time: 00:05:21
2010/04/30 13:38:47: channel PE1_tape0: starting incremental level 0 datafile backupset
2010/04/30 13:38:47: channel PE1_tape0: specifying datafile(s) in backupset
2010/04/30 13:38:47: input datafile fno=00002 name=/oracle/PE1/sapdata2/undo_1/undo.data1
2010/04/30 13:38:47: channel PE1_tape0: starting piece 1 at Apr 30 2010 13:38:47
/oracle/dbhome/dbtools/ksh_scripts/backup_database.ksh[57]: 1167612 Terminated
2010/04/30 13:38:31: channel PE1_tape1: finished piece 1 at Apr 30 2010 13:38:31
2010/04/30 13:38:31: piece handle=PE1_db_71768715944096_1 tag=TAG_PE1_0 comment=API Version 2.0,MMS Version 5.3.3.0
2010/04/30 13:38:31: channel PE1_tape1: backup set complete, elapsed time: 00:05:52
2010/04/30 13:38:31: channel PE1_tape1: starting incremental level 0 datafile backupset
2010/04/30 13:38:31: channel PE1_tape1: specifying datafile(s) in backupset
2010/04/30 13:38:31: input datafile fno=00027 name=/oracle/PE1/sapdata1/pe1_12/pe1.data12
2010/04/30 13:38:31: channel PE1_tape1: starting piece 1 at Apr 30 2010 13:38:31
2010/04/30 13:38:46: channel PE1_tape0: finished piece 1 at Apr 30 2010 13:38:46
2010/04/30 13:38:46: piece handle=PE1_db_71768720544097_1 tag=TAG_PE1_0 comment=API Version 2.0,MMS Version 5.3.3.0
2010/04/30 13:38:46: channel PE1_tape0: backup set complete, elapsed time: 00:05:21
2010/04/30 13:38:47: channel PE1_tape0: starting incremental level 0 datafile backupset
2010/04/30 13:38:47: channel PE1_tape0: specifying datafile(s) in backupset
2010/04/30 13:38:47: input datafile fno=00002 name=/oracle/PE1/sapdata2/undo_1/undo.data1
2010/04/30 13:38:47: channel PE1_tape0: starting piece 1 at Apr 30 2010 13:38:47
/oracle/dbhome/dbtools/ksh_scripts/backup_database.ksh[57]: 1167612 Terminated