The operation is triggered automatically when a large enough percentage of the change log has been populated. No schedule or policy is associated with the operation.

ETERNUS AX users can also run the aggregate-level deduplication scanner to eliminate duplicates of existing data across volumes in the aggregate. You can use the storage aggregate efficiency cross-volume-dedupe start command with the -scan-old-data=true option to start the scanner:

Deduplication scanning can be time-consuming. You might want to run the operation in off-peak hours.