Creating DP-VOLs with data direct mapping enabled

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 Logical Devices.

  3. In the LDEVs pane of the Logical Devices window, click Create LDEVs.

  4. In the Create LDEVs window, from the Provisioning Type list, select Dynamic Provisioning.

  5. From the Data Direct Mapping field, select Enable.

  6. From the Multi-Tier Pool field, select Disable.

  7. From the Available Volumes table, select LDEV.

  8. In the LDEV Name text box, enter the DP-VOL name.

    In the Prefix text box, enter the alphanumeric characters, which are fixed characters of the head of the DP-VOL name. The characters are case-sensitive. In the Initial Number text box, type the initial number following the prefix name, which can be up to 9 digits. You can enter up to the 32 characters including the initial number.

  9. Click Option.

  10. In the Initial LDEV ID field, make sure that LDEV ID is set.

    To confirm the used number and unavailable number, click View LDEV IDs to display the View LDEV IDs window. In the table, used LDEV numbers appear in blue, unavailable numbers appear in gray, and unused numbers appear in white. LDEV numbers that are unavailable may be already in use, or already assigned to another emulation group (group by 32 LDEV numbers).

  11. From the Cache Partition list, select CLPR.

  12. From the MP Unit list, select an MP unit.

    Select an MP unit to be used by the LDEVs. If you assign a specific MP unit, select the ID of the MP unit. If you can assign any MP unit, click Auto.

  13. If necessary, change the settings of the V-VOLs.

    • Click Change LDEV Settings to open the Change LDEV Settings window.

  14. If necessary, delete a row from the Selected LDEVs table.

    Select a row to be deleted, then click Remove.

  15. Click Add.

    The created V-VOLs are added to the correct Selected LDEVs table. If invalid values are set, an error message appears: The Provisioning Type, Pool Selection, Drive Type/RPM, RAID Level, LDEV Capacity, and Number of LDEVs fields must be set. If these required items are not registered, you cannot click Add.

  16. Click Finish.

    The Confirm window appears. To continue the operation for setting the LU path and define LUN, click Next.

  17. In the Task Name in the text box, enter the task name.

    You can enter up to 32 ASCII characters and symbols in all, except for \ / : , ; * ? " < > |. "yymmdd-window name" is entered as a default.

  18. Click Apply.

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