Setting Power Management Options for a Logical Drive

This section describes how to set the power management options for an existing logical drive. You can also set the power management options when you create a logical drive in the wizard (see Custom Configuration).

For each logical drive in your storage space, you can a set a timer to reduce the disk drive spin rate (RPM), turn disk drives off, and verify the health of inactive drives.

Note: We do not recommend enabling power management for logical drives with shared physical drives; that is, logical drives that include segments of the same physical drives. Placing logical drives with these characteristics under power management may limit the power savings benefit in your storage space.

To set the power management options for a logical drive:

  1. In the Enterprise View, select a controller, then select a logical drive.
  2. On the ribbon, in the Logical Device group, click Set Properties.

    The Set Properties window opens.

  3. Click the Power tab.
  4. In the Power Settings drop-down list, select Enabled.
  5. Select a value for each timer from the drop-down lists:

    • Slow Down Drives After—Period of inactivity, from 3 minutes to 3 hours, after which the drives’ spin rate is lowered. The default is Never.
      Note: For disk drives that do not support slow operation, set this timer to Never.
    • Verify Drives After—Period of inactivity, from 1 hour to 24 hours, after which an inactive drive (a drive that's already powered down) is restarted and checked to verify its health. Once the check is complete, the drive is powered down and returns to an inactive state. The default is Never.
    • Power Off Drives After—Period of inactivity, from 3 minutes to 3 hours, after which the disk drives are turned off. The default is Never.
  6. Click OK.

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