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ONTAP MetroCluster

Example of cabling storage array ports to FC switches in an eight-node MetroCluster configuration

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In a MetroCluster configuration with array LUNs, you must connect the storage array ports that form a redundant port pair to alternate FC switches.

An eight-node MetroCluster configuration consists of two four-node DR groups. The first DR group consists of the following nodes:

  • controller_A_1

  • controller_A_2

  • controller_B_1

  • controller_B_2

The second DR group consists of the following nodes:

  • controller_A_3

  • controller_A_4

  • controller_B_3

  • controller_B_4

To cable the array ports for the first DR group, you can use the cabling examples for a four-node MetroCluster configuration for the first DR group.

Example of cabling storage array ports to FC switches in a four-node MetroCluster configuration

To cable the array ports for the second DR group, follow the same examples and extrapolate for the FC-VI ports and FC initiator ports belonging to the controllers in the second DR group.