NS0-157 Question #253: Real Exam Question with Answer & Explanation

The correct answer is D: It sets up the relationship, but does not start the initial transfer.. Establishing a SnapMirror relationship configures the replication link between source and destination, but a separate initialization command is required to trigger the baseline data transfer.

Data Protection and High Availability

Question

Which statement is true about establishing a SnapMirror relationship?

Options

AIt sets up the relationship on the source node only.
BIt sets up the relationship and starts the initial data transfer.
CIt sets up the relationship and creates the destination volume.
DIt sets up the relationship, but does not start the initial transfer.

Explanation

Establishing a SnapMirror relationship configures the replication link between source and destination, but a separate initialization command is required to trigger the baseline data transfer.

Common mistakes.

A. SnapMirror relationships are configured on both source and destination clusters, not the source node alone, and require peering between both sides.
B. Establishing the relationship does not automatically start data transfer - the initial transfer requires a separate snapmirror initialize command.
C. The destination volume must already exist before a SnapMirror relationship can be created; the snapmirror create command does not provision the destination volume.

Concept tested. SnapMirror relationship creation vs. initialization

Reference. https://docs.netapp.com/us-en/ontap/data-protection/create-replication-relationship-task.html

Topics

#SnapMirror#replication relationship#initial transfer#data protection

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