Hi,
please can you clarify how incremental backup selects what to backup or when to back-off to full backup?
(1) Conventional incremental backup compares file date against the date of the last backup ( I mean date of the backup, not date of the same file from the backup)? If that's the case then I don't understand why before running the backup tree comparison is done. The tree comparison compares folders only? It must be that case since manual says that files that are moved to different location are not backed up. It seems that tree comparison solves just part of the problem
(1.1) When logginng of backup is set to none, where does DP find the previous tree?
(1.2) With OB2NOTREEWALK=1 how does tree comparison work?
(2) Please explain how does Enhanced incremental backup work, the Concepts guide just says it is "reliable"
Thank you very much.
Kind regards, Jan