HP Storage Mirroring Software - Manual (Page 67)

10 - 4
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Full—All files are sent to the target.
5. Click OK to save the settings.
NOTE: Database applications may update files without changing the date, time, or file size.
Therefore, if you are using database applications, you should use the File
Differences with checksum or Full option.
See the table
File Differences Mirror Options Compared on page 10-2 for a
comparison of how the file difference remirror settings work together, as well as how
they work with the global checksum setting on the Source tab of the Server
Properties.