It is recommended to set Storage DRS to “Manual” in all cases so that migrations must be approved and the administrator is aware of the impact.

Deduplication

Storage DRS Automation Level: Manual Mode

Load Balancing: Space + I/O

Thin provisioning

Storage DRS Automation Level: Manual Mode

Load Balancing: Space + I/O

Replication

Storage DRS Automation Level: Manual Mode

Load Balancing: Space + I/O

Auto-tiering

Storage DRS Automation Level: Manual Mode

Load Balancing: I/O metric disabled