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NS0-157 · Question #253

Which statement is true about establishing a SnapMirror relationship?

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.

How the community answered

(49 responses)
  • A
    2% (1)
  • B
    6% (3)
  • C
    2% (1)
  • D
    90% (44)

Why each option

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.

AIt sets up the relationship on the source node only.

SnapMirror relationships are configured on both source and destination clusters, not the source node alone, and require peering between both sides.

BIt sets up the relationship and starts the initial data transfer.

Establishing the relationship does not automatically start data transfer - the initial transfer requires a separate `snapmirror initialize` command.

CIt sets up the relationship and creates the destination volume.

The destination volume must already exist before a SnapMirror relationship can be created; the `snapmirror create` command does not provision the destination volume.

DIt sets up the relationship, but does not start the initial transfer.Correct

The `snapmirror create` command establishes the SnapMirror relationship by recording the source and destination volume details and relationship type, but it does not begin any data replication. A separate `snapmirror initialize` command must be run to start the baseline snapshot transfer, giving administrators control over when the potentially bandwidth-intensive initial transfer begins.

Concept tested: SnapMirror relationship creation vs. initialization

Source: 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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