LSI Corporation
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12Gb/s MegaRAID SAS Software User Guide
March 2014
Chapter 5: The HII Configuration Utility
Managing Controllers
— Disabled: Patrol read does not run.
2. To specify a rate for the percentage of system resources dedicated to perform a patrol read operation on
configured drives, highlight Rate, specify a rate as a numeric value and press Enter.
100 is the maximum numeric value that you can enter as the rate.
3. To select a patrol read setting for unconfigured space, highlight Setting for Unconfigured Space, and press
Enter. Select either Enabled or Disabled and press Enter.
4. Highlight Apply Changes and press Enter. The new settings are saved in the controller properties.
To start a patrol read without changing the patrol read properties, follow these steps:
1. Highlight Start in the Patrol Read dialog and press Enter.
2. A message box appears stating that the operation has been successful. Click OK to return to the Patrol Read
dialog. Suspend and Stop are now active.
5.4.12 Changing Power Save Settings
The following dialog appears when you select Power Save Settings from the Advanced Controller Properties
dialog.
Figure 90 Power Save Settings
The above dialog lets you choose if you want unconfigured drives, hot spares, and configured drives to enter the
power-save mode. When the unconfigured drives, hot spares, and configured drives are in power-save mode, they can
be spun down.
Follow these steps to change the power-save settings:
NOTE You can only view the properties/options supported by your
controller.
1. To enable or disable spinning down of unconfigured good drives, highlight Spin Down Unconfigured Good and
press Enter. Select Enable or Disable and press Enter.
2. To enable or disable spinning down of hot spares, highlight Spin Down Hot Spare Drives and press Enter.
Enable or Disable and press Enter.
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