Cabling a drive shelf for a hot-add

You cable a new NS224 drive shelf so that both NVMe shelf modules (NSMs) of the shelf connect to both controller modules in an HA pair.

Steps

  1. If you want to manually assign drive ownership for the shelf you are hot-adding, you need to disable drive ownership automatic assignment if it is enabled.
    Note: You need to manually assign drive ownership if drives in the shelf will be owned by both controller modules in the HA pair.
    Note: You manually assign drive ownership and then reenable drive ownership automatic assignment later in this procedure.
    1. Verify whether drive ownership automatic assignment is enabled: storage disk option show
      You can enter the command on either controller module.
      If drive ownership automatic assignment is enabled, the output shows on in the "Auto Assign" column (for each controller module).
    2. If drive ownership automatic assignment is enabled, disable it: storage disk option modify -node node_name -autoassign off
      You must disable drive ownership automatic assignment on both controller modules.
  2. Cable the shelf to the controller modules.
    Cables are inserted with the connector pull-tab facing up. When a cable is inserted correctly, it clicks into place. After you connect both ends of the cable, the shelf and controller port LNK (green) LEDs illuminate. If a port LNK LED does not illuminate, reseat the cable.

    1. Cable shelf NSM A port e0a to controller module A port e0e.
    2. Cable shelf NSM A port e0b to controller module B port e0b.
    3. Cable shelf NSM B port e0a to controller module B port e0e.
    4. Cable shelf NSM B port e0b to controller module A port e0b.
    You can use the following illustration to help you physically identify the shelf NSM ports e0a and e0b:

    Example
    The following illustration shows cabling for the hot-added shelf (shelf 2):

  3. Verify that the hot-added shelf is cabled correctly.
    You can download and run Active IQ Config Advisor to verify cabling. If any cabling errors are generated, follow the corrective actions provided.

    NetApp Downloads: Config Advisor

  4. If you disabled drive ownership automatic assignment in step 1, manually assign drive ownership, and then reenable drive ownership automatic assignment if needed:
    1. Display all unowned drives: storage disk show -container-type unassigned
      You can enter the command on either controller module.
    2. Assign each drive: storage disk assign -disk disk_name -owner owner_name
      You can enter the command on either controller module.
      You can use the wildcard character to assign more than one drive at once.
    3. Reenable drive ownership automatic assignment if needed: storage disk option modify -node node_name -autoassign on
      You must reenable drive ownership automatic assignment on both controller modules.