RMAN incremental backup does not appear to create a level 0 if no previous level 0 exists
Last updated on OCTOBER 27, 2016
Applies to:Oracle Server - Enterprise Edition - Version: 188.8.131.52
Information in this document applies to any platform.
"A level 0 backup must exist for each data file in the BACKUP command as the base backup for an incremental strategy. Level 0 backups must not have status UNAVAILABLE. If no level 0 backup exists, then RMAN makes a level 0 backup automatically."
Yet the backup log shows:
Starting backup at 01-nov-11 14:48:11
using channel ORA_DISK_1
using channel ORA_DISK_2
channel ORA_DISK_1: starting compressed incremental level 1 datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
This suggests that rman is creating an incremental backup rather than an automatic level 0 as the documentation specifies.
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