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RMAN - number of database files per backup file

edited Nov 17, 2010 1:29AM in Database Backup and Recovery (MOSC) 5 commentsAnswered
 Is there a way of controlling the number of database files that RMAN puts in each backup file?
I'm running level 0 (weekly) and level 1 (daily) incremental backups using PARALLELISM 8. The first "piece" for each channel seems to contain a number of database files, but subsequent "pieces" only contain 1 database file, resulting in a large number of backup files.
e.g.

channel ORA_DISK_1: starting compressed incremental level 1 datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00005 name=/ora/eal21prd/001/oradata/eal21prd/atg_index_01.dbf
input datafile fno=00211 name=/ora/eal21prd/002/oradata/eal21prd/atg_large_011.dbf

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