# SVM-DR Snapmirror Relationships

The NetApp storage virtual machine for disaster recovery (SVM-DR) configuration replicates data from a source SVM to a destination SVM.

By default, you cannot configure SVM-DR relationships with the NetApp Open Replication. The main reason is that, when the destination SVM is in inactive state (that is, normal mode), logical interfaces (LIFs) are not running, so you cannot create CIFS shares or NFS exports, and you cannot clone volumes of snapshots.

However, you can perform NDMP operations on the destination SVM from a destination cluster. When you configure the destination SVM with tunneling, you can perform NDMP backup copy operations or restores.

With an NDMP agent on the source SVM and the destination SVM with tunneling, you can use the NetApp Open Replication with SVM-DR relationships to replicate snapshots to a mirror destination.

In the Commvault software, to enable the NetApp Open Replication to back up the data you have in an SVM-DR relationship, you also need to set the additional setting nMOUseSVMDRRelationship on all array access nodes of source array. For more information, see Enabling SVM-DR Snapmirror Relationships.

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