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Re-scan unchanged files
In a regular “Files and Folders” backup, eazyBackup will skip over files that have the same file size and modification time as the last backup job. If these properties are the same, eazyBackup will refer to previous chunks and not re-chunk the file. This dramatically improves performance.
If you are working with certain types of files that change content without updating their modification time attribute on the filesystem – for instance, applications that use direct disk I/O instead of filesystem functions; some database data files; or VeraCrypt container files – then the above is obviously unsatisfactory for ensuring backup integrity. In this case, you can enable the “Rescan unchanged files” feature to cause eazyBackup to chunk every encountered file. This has some performance penalty but does ensure backup integrity in the presence of such files.