Manual:The Dude v6/Change DB path
Applies to RouterOS: v6.34+
Database path change
If you do not wish for The Dude server to use your on-board flash memory you can specify data path in which server should keep all relevant data. To change where the Dude servers stores it's stuff you need to use following command.
/dude set data-directory=(new_db_path)
Note: We do not suggest to using flashes/disks that are formatted with FAT32 file-system, better before use re-format it as EXT3. For more details on how to do that consult [this ] wiki article.