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NS0-157 · Question #110

Which statement is true about establishing a SnapMirror relationship in clustered data ONTAP?

The correct answer is A. It sets up the relationship, but does not start the initial transfer. Creating a SnapMirror relationship with 'snapmirror create' only defines the relationship metadata - a separate initialize command is required to trigger the baseline transfer.

Data Protection and High Availability

Question

Which statement is true about establishing a SnapMirror relationship in clustered data ONTAP?

Options

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

How the community answered

(26 responses)
  • A
    92% (24)
  • C
    4% (1)
  • D
    4% (1)

Why each option

Creating a SnapMirror relationship with 'snapmirror create' only defines the relationship metadata - a separate initialize command is required to trigger the baseline transfer.

AIt sets up the relationship, but does not start the initial transferCorrect

The 'snapmirror create' command establishes the relationship record including source, destination, policy, and schedule, but the initial baseline Snapshot copy transfer does not begin until 'snapmirror initialize' is explicitly run. This two-step design allows administrators to schedule the potentially large initial transfer at a convenient time rather than having it start immediately.

BIt sets up the relationship on the source node only

SnapMirror relationships are set up on the destination cluster/Vserver, not the source, because the destination must define where it will receive data.

CIt sets up the relationship and starts the initial data transfer

The initial data transfer does not start automatically upon relationship creation - it requires a separate 'snapmirror initialize' command.

DIt sets up the relationship and creates the destination volume

The destination volume must be created manually before the 'snapmirror create' command is run; the command does not create the destination volume.

Concept tested: SnapMirror relationship creation vs initialization steps

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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