Appendix C: Using the ICP RAID Configuration Utility ● 86Secure Erasing Disk DrivesWhen you perform a secure erase on a disk drive, all data on that disk drive is completely andirretrievably eradicated. Secure erase performs three distinct writing passes to the disk drivebeing erased—it does not just write zeros.Performing a secure erase takes up to six times longer than clearing (or zeroing) a disk drive.You may want to perform a secure erase only on disk drives that contain confidential orclassified information.Note: To erase (or zero) a disk drive with non-classified information, you may choose to formatit (see page 90) instead, or clear it using ICP Storage Manager—both options take much lesstime than the secure erase option.To begin a secure erase, select Secure Erase from the main ACU menu, then select Y (yes). Toreturn to the main ACU menu once the secure erase has begun, press Esc.The selected disk drive(s) cannot be used until the erase is complete.Stopping a Secure EraseTo stop a secure erase in progress:1 In the main ACU window, select Secure Erase.2 Select the disk drive being secure erased, then press Ctrl+Q.The secure erase stops and the ACU returns to its main window.Using the -Select Utility to Modify Controller SettingsIncluded in the ICP RAID Configuration utility is a tool for modifying the settings of yourcontroller and the disk drives connected to it. This utility is called SerialSelect, SATASelect, orSCSISelect, depending on what type of controller you have.Opening a -Select UtilityTo open a -Select utility, start the ICP RAID Configuration utility (see page 84), select the-Select utility, then press Enter.Follow the on-screen instructions to modify the settings of your controller and connected diskdrives as required.Applying Changes and Exiting1 To exit a -Select utility, press Esc until you are prompted to exit.If you modified any settings, you are prompted to save the changes before you exit.2 Select Yes to exit, then press any key to restart your computer.Any changes you made take effect after the computer restarts.
