Section 9 - In-file delta technology

This section describes what In-file delta technology is and how it can be used to reduce size of backup

9.1.3.2 Limitations

The following are limitations of the delta merge feature:




• Delta merge cannot be performed for abnormal backup set with multiple encryption key.
• Advanced retention policy cannot be used in conjunction with the delta merge feature.
• The delta merge of differential delta files with the full file, will only apply if there are incremental delta files present in the delta chain.



Therefore, no delta merge will take place for backup sets with delta merge enabled and in-file delta set to Differential.




• The delta merge feature does not support Local Copy backup.



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