Dell PERC 4/SI - Manual (Page 39)

The selected drive changes from READY to ONLINE A[array number]-[drive number]. For example, ONLINE A02-03 means array 2 with hard drive 3.
4. Add physical drives to the current array as desired.
Try to use drives of the same capacity in a specific array. If you use drives with different capacities in an array, all drives in the array are treated as if
they have the capacity of the smallest drive in the array.
5. Press twice after you finish creating the current array.
The Select Configurable Array(s) window appears. It displays the array and array number, such as A-00.
6. Press the spacebar to select the array.
Span information displays in the array box. You can create multiple arrays, then select them to span them.
7. Repeat step 2 through step 6 to create another array or go to step 8 to configure a logical drive.
8. Press to configure a logical drive.
The logical drive configuration screen appears. Span=Yes displays on this screen if you select two or more arrays to span.
The window at the top of the screen shows the logical drive that is currently being configured as well as any existing logical drives.
9. Highlight RAID and press to set the RAID level for the logical drive.
A list of the available RAID levels for the current logical drive appears.
10. Select a RAID level and press to confirm.
11. Highlight Span and press .
12. Highlight a spanning option and press .
13. Move the cursor to Size and press to set the logical drive size.
By default, the logical drive size is set to all available space in the array(s) being associated with the current logical drive, accounting for the Span
setting.
14. Click Advanced Menu to open the menu for logical drive settings.
15. Set the Stripe Size.
16. Set the Write Policy.
17. Set the Read Policy.
18. Set the Cache Policy.
19. Press to exit the Advanced Menu.
20. After you define the current logical drive, select Accept and press .
If space remains in the arrays, the next logical drive to be configured appears. If the array space has been used, a list of the existing logical drives
appears.
21. Press any key to continue, then respond to the Save prompt.
22. Press to return to the Management Menu.
NOTE: When you create a logical drive, you can select more than 2 TB of physical hard drive space, but 2 TB is the largest logical drive you can
create. After you select the physical drives, you are prompted to press to accept the 2TB logical drive size. You are then prompted to
accept the next logical drive, which will be the remaining amount of physical hard drive space.
NOTE: You can press to display the number of drives in the array, their channel and ID, and to display array information, such as the
stripes, slots, and free space.
NOTE: Make sure that the spans are in different backplanes, so that if one span fails, you won't lose the whole array.