Enabling active flash on an existing Dynamic Tiering pool

Use this procedure to enable the active flash feature on a Dynamic Tiering pool.

NoteActive flash cannot be enabled in the following cases:
  • The pool contains DP-VOLs for which capacity saving is enabled.
  • The pool contains a deduplication system data volume.

Before you begin

  • The Storage Administrator (Provisioning) role is required to perform this task.
  • Pool volumes whose drive type is SSD must be installed.
  • If tier relocation is set to Manual mode, you must change tier relocation to Auto before beginning this procedure.
  • If pool-VOLs are being deleted, you must wait until the delete pool-VOL operations are complete before beginning this procedure.
  • If zero pages are being reclaimed, you must wait until the reclaim zero page operations are complete before beginning this procedure.

Procedure

  1. In the Storage Systems tree on the left pane of the main window, select Pools.

  2. From the Pools table, select the pool you want to change, and click More Actions > Edit Pools.

  3. Check Active Flash to ON.

    If there is no pool volume whose drive type is SSD, the check box cannot be selected.

  4. Click Finish.

    The Confirm window appears.

  5. In the Task Name text box, enter the task name.

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

  6. In the Confirm window, click Apply to register the setting in the task. If the Go to tasks window for status check box is selected, the Tasks window appears.

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