Defining LU paths

In a Fibre Channel or iSCSI environment, you must define LU paths and associate host groups or iSCSI targets with logical volumes. For example, if you associate a host group or an iSCSI target consisting of three hosts with logical volumes, LU paths are defined between the three hosts and the logical volumes.

Before you begin

The Storage Administrator (Provisioning) role is required to perform this task.

Procedure

  1. Click Storage Systems, and then expand the Storage Systems tree.

  2. Click Ports/Host Groups/iSCSI Targets, and select the target host group or iSCSI target.

  3. Click Add LUN Paths.

  4. In the Add LUN Paths window, select the desired LDEVs from the Available LDEVs table, and then click Add.

    Selected LDEVs are listed in the Selected LDEVs table.

  5. Click Next.

  6. In Selection Object, click Fibre.

  7. Select the desired host groups from the Available Host Groups or Available iSCSI Targets table, and then click Add.

    Selected host groups are listed in the Selected Host Groups or Available iSCSI Targets table.

  8. Click Next.

  9. Confirm the defined LU paths.

    If the LDEV name or the LUN ID is edited, perform the following:
    1. Select the checkboxes of LDEV IDs that you want to change.
    2. Click Change LDEV Settings.
    3. In the Change LDEV Settings window, specify values in Prefix and Initial Number.
    4. Click OK.
    To change the LUN ID, perform the following:
    1. In the LUN ID column (Any number Sets of Paths), select the host groups (iSCSI Targets) checkboxes.
    2. Select the checkbox of the LDEV ID that you want to change.
    3. Click Change LUN IDs.
    4. In the Change LUN IDs window, specify the value in Initial LUN ID.
    5. Click OK.

  10. Click Finish.

    The Confirm window appears.

  11. In the Task Name text box, type a unique name for the task or accept the default.

    You can enter up to 32 ASCII characters and symbols, with the exception of: \ / : , ; * ? " < > |. The value "date-window name" is entered by default.

  12. Click Apply.

    If the Go to tasks window for status check box is selected, the Tasks window appears.
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