You can enable deduplication and compression when you configure a new vSAN all-flash cluster.


  1. Navigate to a new all-flash vSAN cluster.
  2. Click the Configure tab.
  3. Under vSAN, select Services.
    1. Click to edit Space Efficiency.
    2. Select a space efficiency option: Deduplication and compression, or Compression only.
    3. (Optional) Select Allow Reduced Redundancy. If needed, vSAN reduces the protection level of your VMs while enabling Deduplication and Compression. For more details, see Reducing VM Redundancy for vSAN Cluster.
  4. Complete your cluster configuration.