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You might want to perform a secure erase only on disk drives that contain confidential or classified information. To return to the main ACU menu after the secure erase has started, press Esc.
The selected disk drive s cannot be used until the erase is complete. Select the disk drive being secure erased, and then press Ctrl-Q. The secure erase stops and the ACU returns to its main window. The ARCU includes a tool for modifying the controller settings, and for modifying the disk drives connected to it.
Select the Select utility and press Enter. Follow the onscreen instructions to modify the settings of the controller and connected disk drives, as required. If you modified any settings, you are prompted to save the changes before you exit. Select Yes to exit, then press any key to restart your computer.
Any changes you made take effect after the computer restarts. Select Controller Configuration from the main Select utility menu and change the settings listed in the following table. When enabled, write cache is enabled on the disk drive. When disabled , write cache is not used on the disk drive. It is recommended that you disable write cache on the disk drive. Caution --When write cache is enabled, there is a slight possibility of data loss or corruption during a power failure.
Runtime BIOS. When enabled , this allows the controller to act as a bootable device. Disabling the BIOS allows another controller to act as a bootable device. Automatic Failover. When enabled , the controller automatically rebuilds an array when a failed disk drive is replaced. When disabled, the array must be rebuilt manually.
Array Background Consistency Check. When enabled, the controller constantly verifies a redundant array. Note that there might be a significant performance reduction. Default is disabled. This is relevant for logical arrays.
Displaying the disk drives adds a few seconds to the overall POST time. When enabled , the system can be booted from a bootable CD. Note --CDs are not supported by current software.
Removable Media Devices Boot Support. When enabled , removable media devices, such as CD drives, are supported. Alarm Control. When enabled, the alarm sounds. Default is enabled. Note --When the alarm is turned off disabled , it automatically turns back on after a reboot. When enabled, NCQ is enabled. PHY Rate. The data transfer rate between the controller and devices. The default setting is Auto , which allows the SAS card to adjust the data transfer rate as required.
CRC Checking. When enabled, determines whether the controller verifies the accuracy of data transfer on the serial bus.
Default setting is Yes enabled. Set to No disabled only if the controller is connected to a device that does not support CRC Checking. SAS Address. In a situation where you want each phy on a controller to be in a different SAS domain, this setting specifies a unique world-wide name for each phy.
Default is 0. Note: This setting is for SAS address conflict resolution only and must otherwise remain at its default value. The utility displays the following information about the status of the battery. The estimated remaining charge indicates how long the battery will continue to operate if the power fails.
You can use the disk utilities tool to perform low-level formatting, or to verify your disk drives. Select the disk drive you want, then press Enter. When you have finished locating your disk drive, press any key to stop the blinking. You can identify disk drives by viewing the list of disk drives on your system.
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