# Creating Relationships for the NetApp Open Replication Feature

For the NetApp Open Replication feature, you need to create a relationship.

The type of relationship that you create depends on the type of copy that you want to use.

Type of copy to use | Type of relationship to create
--- | ---
Vault/replica copy | SnapVault MirrorVault
Mirror copy | SnapMirror Version Flexible Mirror

To configure the relationships, use either the commands in the following procedure or the NetApp OnCommand System Manager Web Interface.

## Before You Begin

Verify that both the source volume and the target volume meet the following conditions:

- Are the same size

- Use the same volume language

## Procedure

Type the following commands on the destination storage virtual machine (that is, the Vserver).

1. To create a destination volume, type the following command:

       volume create -vserver $[destination SVM name] -volume $[volume name] -aggregate $[aggregate name] -size $[size of volume] -state $[online] -type $[DP] -language $[volume language] -space-guarantee $[none] -snapshot-policy $[none]

2. For each volume that is going to be replicated, create one of the following relationships:

   - To create a SnapVault relationship, type the following command:

          snapmirror create -type $[XDP] -policy $[XDPDefault] -source-path $[Source SVM]:$[Source Volume] -destination-path $[Destination SVM]:$[Destination Volume]

   - To create a SnapMirror relationship on ONTAP versions earlier than 9.3, type the following command:

         snapmirror create -type $[DP] -policy $[DPDefault] -source-path $[Source SVM]:$[Source Volume] -destination-path $[Destination SVM]:$[Destination Volume]

   Note

   Starting on ONTAP 9.3 and later, by default, all relationships are of type XDP.

   - To create a MirrorVault relationship, type the following command:

         snapmirror create -type $[XDP] –policy $[Snapmirror policy with policy type mirror-vault] -source-path $[Source SVM]:$[Source Volume] -destination-path $[Destination SVM]:$[Destination Volume]

   Note

   Starting ONTAP 9.5 and later, the -type and -policy fields are optional when creating a MirrorVault relationship.

   - To create a Version Flexible Mirror relationship, do one of the following:

     - On ONTAP versions 9.3 and later, type the following command

           snapmirror create –policy $[Snapmirror policy with policy type async-mirror] -source-path $[Source SVM]:$[Source Volume] -destination-path $[Destination SVM]:$[Destination Volume]

     - On ONTAP versions earlier than 9.3, type the following command:

           snapmirror create -type $[XDP] –policy $[Snapmirror policy with policy type async-mirror] -source-path $[Source SVM]:$[Source Volume] -destination-path $[Destination SVM]:$[Destination Volume]

Note

To verify the snapmirror policy type, type the following command:

`snapmirror policy show -fields policy, type`

1. To initialize the relationship, type the following command:

       snapmirror initialize -destination-path $[Destination SVM]:$[Destination Volume]

## Results

The relationship is created on the target NetApp array and accessible from the source array.

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