13-3Using the Array Configuration UtilityThe remainder of this chapter explains in detail how to use the ACUin both interactive and script modes.Using Interactive ModeWhen you issue the ACU command at the MS-DOS prompt withoutany command-line switches, the ACU displays its main windowand waits for your menu selection. To select an ACU menu option,use the ↑ and ↓ keys, and press Enter. In some cases, selecting anoption displays another menu. Press Tab to navigate between thefields within a dialog box. You can return to the previous menu atany time by pressing Esc.Creating an Array with ACUBefore creating arrays, make sure the disks to be used as members ofthe array are connected and installed in your system (or enclosure).Note that any disks with MS-DOS partitions, disks with no usablespace, or disks that are uninitialized appear dimmed and cannot beused for creating a new array. For information on how to initialize adisk drive, see page 13-7. If necessary, reboot your system to ensurethat it detects all connected drives.To create an array, select the drive or drives to be used in the arrayand then assign the desired properties to the array.Selecting Segments for New ArraysTo select one or more segments to assign as members of the newarray:1 Use the ← and → arrow keys to select a channel.2 Use the ↑ and ↓ keys to select the drives to assign to the newarray and press Insert. The ACU displays the largest usablespace available for each drive. You can use some or all of theavailable space from multiple drives to create the new array.To deselect a drive, highlight the drive and press Delete.Note that drives containing MS-DOS partitions, drives with noavailable space, or uninitialized drives appear dimmed andcannot be selected when creating a new array.3 Press Enter when you have selected all segments for the newarray. The ACU displays the Array Properties menu.
