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Understanding why an RMAN incremental backup will suddenly increase in size (Doc ID 1273492.1)

Last updated on DECEMBER 09, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


Sometimes, an RMANincremental backup takes much longer than expected and creates a backuppiece that is a big as a full or level 0 incremental backup.

To understand what is going on, v$backup_datafile should be queried for all backups in the current backup cycle ie from the previous level 0 backup to current:


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