If your environment uses a Version 4 or earlier deduplication database (DDB), consider the following options to move to the latest Version 5 DDBs:
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Seal the Version 4 or an earlier version DDB. You must plan the storage space for the new Version 5 databases.
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Use the Convert DDB to V5 workflow to convert the existing databases to Version 5 databases. Before performing the conversion, plan for the conversion process, and then perform the conversion. Converting the DDB to Version 5 enables garbage collection and journal pruning features, providing improved storage efficiency and data management. If the conversion fails, revert to sealing the DDB.