Oracle Error Message
RMAN-06903: backup of datafile string was cancelled
Reason for the Error
This is an informational message displayed when PARTIAL option of DURATION option was specified on the BACKUP command and backup could not be completed within the given duration time.
Solution
Run the BACKUP command to backup cancelled files, or let the next backup window backup the cancelled files. It should be noted that the files that were skipped in the current job will be given preference to other files for next the BACKUP command with DURATION option.
