Replacing a Host Port

Use this option if you need to replace a failed host adapter in a host.

Important: It is extremely important that you use one of the following sequences when replacing the failed host adapter to ensure that the host will retain its current logical drive-to-LUN mappings. If you do NOT have any default logical drive-to-LUN mappings in the Default Host Group, use sequence 1. If you do have default logical drive-to-LUN mappings in the Default Host Group, use sequence 2.

Replacement Sequence 1: (1) Physically replace the failed host adapter with the new host adapter and reboot the host. Use the host adapter's boot-up utility to obtain the host port identifier (world-wide name) of the new host adapter. (2) Use this Replace Host Port option to indicate the new host adapter (host port) that replaced your failed host adapter.

Replacement Sequence 2: (1) Use this Replace Host Port option to indicate the new host adapter (host port) that will replace your failed host adapter. You must obtain the host port identifier (world-wide name) of the new host adapter before physically inserting it in the intended host. (2) Physically replace the failed host adapter with the new host adapter. (3) Reboot the host so that the new host adapter is identified by the host operating system.

How to Replace a Host Port

1
From the Storage Partition Definitions Window, select the failed host port from the Topology View; then select either the Configure >> Topology >> Replace Host Port pull-down menu option, or Replace Host Port from the right-mouse pop-up menu.

Result: The Replace Host Port dialog is displayed. The current host port identifier (world-wide name) is listed on the dialog.
2
Define a replacement host port using the New identifier drop-down list. The drop-down list displays all undefined host ports (that is, all host ports that have not been associated with a host) in ascending identifier order. The first undefined host port is displayed by default.

Also, you can enter an identifier manually.

Important: The maximum length of the host port identifier cannot exceed 16 hexadecimal characters.
3
Enter a host port name in the Host port name: edit box. By default, the edit box displays the host port name associated with the current identifier. Keep the same name or use a similar name.

Important:

  • The host port name is a required field.
  • If the name of the host port duplicates the name of another host port in the Storage Subsystem, you will receive an error message and a prompt to enter a new host port name.
4
Select OK.

Result: The changed host port definition is saved and the dialog closes.