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Cabling storage on an HA pair with external drive shelves

You must cable the shelf-to-shelf connections, and then cable both controllers to the drive shelves.

  1. Cable the HA pair with external drive shelves using the following steps:
    StepPerform on each controllerPorts used
    Cable the shelf-to-shelf ports.
    • Port 3 on IOM A to port 1 on the IOM A on the shelf directly below.
    • Port 3 on IOM B to port 1 on the IOM B on the shelf directly below.
    Connect each controller to IOM A in the stack.
    • Controller 1 port 0b to IOM A port 3 on last drive shelf in the stack.
    • Controller 2 port 0a to IOM A port 1 on the first drive shelf in the stack.
    Connect each controller to IOM B in the stack
    • Controller 1 port 0a to IOM B port 1 on first drive shelf in the stack.
    • Controller 2 port 0b to IOM B port 3 on the last drive shelf in the stack.
    If you have more than one drive shelf stack, see the Installation and Cabling Guide for your drive shelf type.
  2. To complete setting up your system, see Completing system setup and configuration.