How to change tiering policies

  1. Perform one of the following to display the Edit Tiering Policies window.

For Hitachi Command Suite:

For Storage Navigator:

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

The pool information is displayed on the right pane of the window.

  1. Click the Edit Tiering Policies button.

The Edit Tiering Policies window appears.

  1. Select the tiering policy that you want to change and click the Change button.

The Change Tiering Policies window appears. Policies with ID 0 to 5 cannot be changed.

  1. Change the tiering policy, and click OK.

  1. Return to the Edit Tiering Policies window.

Each tiering policy value is needed to meet the conditions described in the following table.

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

  1. Click Apply.

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

  1. Click Finish.

  1. In the Confirm window, verify your settings. In Task Name, type a unique name for this task or accept the default, then click Apply.

Item

Explanation

Tier1 Max

Satisfy either one of the following:

Equal to Tier1 Min

Bigger than Tier1 Min

Tier1 Min*

Satisfy either one of the following:

Equal to Tier1 Max

Smaller than Tier1 Max

Tier3 Max

Satisfy either one of the following:

Equal to Tier3 Min

Bigger than Tier3 Min

Tier3 Min*

Satisfy either one of the following:

Equal to Tier3 Max

Smaller than Tier3 Max

* The sum of Tier1 Min and Tier3 Min must be 100 (%) or less.