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NS0-157 · Question #207

Which statement is true when a two node switchless cluster is grown to a four-node cluster?

The correct answer is A. The new HA-pair connected to two new cluster switches and the existing two-node cluster will. Growing a two-node switchless cluster to four nodes requires adding two cluster switches that both the existing and new HA pairs connect to.

Core Cluster-Mode Configuration

Question

Which statement is true when a two node switchless cluster is grown to a four-node cluster?

Options

  • AThe new HA-pair connected to two new cluster switches and the existing two-node cluster will
  • BThere is a short outage while the new HA pair and existing two node cluster add additional
  • CThe new HA pair is direct-attached to the existing two-node cluster-free 10 GbE ports without
  • DThe new HA pair is connected to four new cluster switches and the existing two-node cluster will

How the community answered

(30 responses)
  • A
    93% (28)
  • B
    3% (1)
  • D
    3% (1)

Why each option

Growing a two-node switchless cluster to four nodes requires adding two cluster switches that both the existing and new HA pairs connect to.

AThe new HA-pair connected to two new cluster switches and the existing two-node cluster willCorrect

When expanding a two-node switchless cluster to a four-node cluster, two new cluster switches must be introduced into the topology. The new HA pair connects to these switches, and the existing two-node cluster also migrates its cluster interconnect links to the same switches, converting the cluster from switchless to a fully switched topology in a non-disruptive manner.

BThere is a short outage while the new HA pair and existing two node cluster add additional

Cluster expansion using the proper NetApp procedure is non-disruptive and does not require any outage during the addition of the new HA pair or switches.

CThe new HA pair is direct-attached to the existing two-node cluster-free 10 GbE ports without

A four-node cluster cannot use a switchless direct-attach topology; switches are required once the cluster grows beyond two nodes.

DThe new HA pair is connected to four new cluster switches and the existing two-node cluster will

Only two cluster switches are needed to support a four-node cluster expansion, not four switches.

Concept tested: Two-node switchless cluster expansion to switched topology

Source: https://docs.netapp.com/us-en/ontap/networking/expand_a_two_node_switchless_cluster_to_a_switched_cluster_overview.html

Topics

#switchless cluster#cluster expansion#HA pair#cluster switches

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