Dell PERC 4/DC - Manual (Page 75)

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. Initialize the logical drives you have just configured.
See Initializing Logical Drives in this section for more information.
Using View/Add Configuration
View/Add Configuration allows you to control the same logical drive parameters as New Configuration without disturbing the existing configuration
information. In addition, you can enable the Configuration on Disk feature.
1. Select Configure—> View/Add Configuration from the Management Menu.
Hot key information appears at the bottom of the screen.
2. Press the arrow keys to highlight specific physical drives.
3. Press the spacebar to associate the selected physical drive with the current array.
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: The PERC 4 family supports spanning for RAID 1 and RAID 5 only. You can configure RAID 10 by spanning two or more RAID 1 logical drives.
You can configure RAID 50 by spanning two or more RAID 5 logical drives. The logical drives must have the same stripe size.
NOTE: The full drive size is used when you span logical drives; you cannot specify a smaller drive size.