# Open Replication for Amazon FSx for NetApp ONTAP

With the Open Replication feature, you can replicate the Amazon FSx for NetApp ONTAP snapshots. You must create the relationship between the source and target storage virtual machine (SVM) arrays.

The feature supports the following configurations:

- Primary-Vault (PV)

- Primary-Mirror (PM)

- Primary-Mirror-Vault (PMV)

- Primary-Vault-Mirror (PVM)

- Primary-Mirror-Mirror (PMM)

- Primary-Vault-Vault (PVV)

Note

In PMV and PVV configurations, the Mirror-Vault relationship on the tertiary copy is not supported.

## Key Features

The key features of the Open Replication for Amazon FSx for NetApp ONTAP are as follows:

- If you use the vault/replica configuration, then you can use different retention rules on the vault/replica copy than on the primary snapshot copy.

- If you use the mirror configuration, then the retention rules of the mirror copy will be the same of the primary snapshot copy.

- You can use snapshots on the vault/replica copy or on the mirror copy for restore operations and backup copy operations.

- Mirror and vault relationships, fan-out configuration and 3-node cascade configuration are supported.

## Limitations

You cannot use the same SnapMirror or SnapVault relationship across backup plans or within the same backup plan in multiple copies.

## Supported Agents

For a list of agents supported by the Amazon FSx for NetApp ONTAP, see Supported Agents.

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