Note: To enable data deduplication on an HCI cluster, ensure that the data deduplication feature is enabled on all the cluster nodes. To enable the data deduplication feature, run the following PowerShell command:
Note: To ensure the deduplication activities run in an optimized way, see Microsoft recommended workload Determine which workloads are candidates for Data Deduplication and for Advanced Data Deduplication settings, see Advanced Data Deduplication settings.
Enable data deduplication using WAC and compression on a Storage Spaces Direct volume as follows.
- Go to .
- Click the volume on which to enable data deduplication.
- In the optional features, switch the ON button to enable deduplication and compression on that volume. The Enable Deduplication window is displayed.
- Click Start and select Hyper-V from the drop-down list.
- Click Enable Deduplication. Deduplication is enabled, and the Storage Spaces Direct volume is compressed.