Convert the type of a SnapMirror relationship
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Beginning with ONTAP 9.5, SnapMirror Synchronous is supported. You can convert an asynchronous SnapMirror relationship to a SnapMirror Synchronous relationship or vice versa without performing a baseline transfer.
You cannot convert an asynchronous SnapMirror relationship to a SnapMirror Synchronous relationship or vice versa by changing the SnapMirror policy
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Converting an asynchronous SnapMirror relationship to a SnapMirror Synchronous relationship
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From the destination cluster, delete the asynchronous SnapMirror relationship:
snapmirror delete -destination-path SVM:volume
cluster2::>snapmirror delete -destination-path vs1_dr:vol1
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From the source cluster, release the SnapMirror relationship without deleting the common Snapshot copies:
snapmirror release -relationship-info-only true -destination-path dest_SVM:dest_volume
cluster1::>snapmirror release -relationship-info-only true -destination-path vs1_dr:vol1
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From the destination cluster, create a SnapMirror Synchronous relationship:
snapmirror create -source-path src_SVM:src_volume -destination-path dest_SVM:dest_volume -policy sync-mirror
cluster2::>snapmirror create -source-path vs1:vol1 -destination-path vs1_dr:vol1 -policy sync
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Resynchronize the SnapMirror Synchronous relationship:
snapmirror resync -destination-path dest_SVM:dest_volume
cluster2::>snapmirror resync -destination-path vs1_dr:vol1
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Converting a SnapMirror Synchronous relationship to an asynchronous SnapMirror relationship
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From the destination cluster, quiesce the existing SnapMirror Synchronous relationship:
snapmirror quiesce -destination-path dest_SVM:dest_volume
cluster2::> snapmirror quiesce -destination-path vs1_dr:vol1
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From the destination cluster, delete the asynchronous SnapMirror relationship:
snapmirror delete -destination-path SVM:volume
cluster2::>snapmirror delete -destination-path vs1_dr:vol1
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From the source cluster, release the SnapMirror relationship without deleting the common Snapshot copies:
snapmirror release -relationship-info-only true -destination-path dest_SVM:dest_volume
cluster1::>snapmirror release -relationship-info-only true -destination-path vs1_dr:vol1
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From the destination cluster, create an asynchronous SnapMirror relationship:
snapmirror create -source-path src_SVM:src_volume -destination-path dest_SVM:dest_volume -policy MirrorAllSnapshots
cluster2::>snapmirror create -source-path vs1:vol1 -destination-path vs1_dr:vol1 -policy sync
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Resynchronize the SnapMirror Synchronous relationship:
snapmirror resync -destination-path dest_SVM:dest_volume
cluster2::>snapmirror resync -destination-path vs1_dr:vol1
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