Disk-to-disk backup can also be achieved by setting the property "Retain user-generated snapshots on target". User-generated snapshots, created on a source appliance, are replicated to a target which serves as an incremental-forever backup repository.
Setting this property allows you to manage user-generated snapshots independently on a source appliance and replication target. Normally, when you destroy user-generated snapshots on the source appliance, the snapshots are immediately destroyed at the replication target after a replication update. To keep user-generated snapshots on the target, set this property when creating or editing a replication action.
When user-generated snapshots are no longer needed, manually destroy them on the replication target. To destroy snapshots, see Destroying a Snapshot BUI, CLI.
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