HP COMPAQ DC5750 Technical Information

1Redundant Array of Independent Disks (RAID) on HP Compaq dc5750 Business PCsUsing ATI Array Management Software (WebPAM)Introduction . . . . . . . .

10Configuring RAID on non-factory preinstalled configurationsThe remaining sections of this white paper describe steps to set up supported RAID config

115. Use the down arrow key to select Storage Options, and then press Enter. 6. On the Storage Options menu, use the down arrow key to select SATA Emu

12The screen below displays briefly during boot up. The RAID configuration utility is English only. To configure RAID in other languages, use the Web-

131. From the Main Menu press 3 to access the Delete LD screen. Use the arrow keys to select the drives. Press Del or Alt + D to delete the drives. A

143. Press 2 to access the Define LD screen. This screen allows you to configure RAID settings and assign-ments.4. Use the arrow keys to scroll to the

15Select boot orderOnly the first optical drive is bootable in RAID mode. To set up your system to boot from the CD, you will need to change the boot

163. Press S at the prompt to Specify Additional Device.4. Insert the RAID driver floppy and press ENTER to select the RAID driver. 5. Press ENTER to

17WARNING: The PCI Device ID of the mass storage controller changes after changing the BIOS “SATA Emulation” Computer Setup option. Changing SATA Emu

18Recommended Initial SettingsThese settings are recommended and now is the best time to make them. You can change them later as necessary.Administrat

198. If you plan to set up Event Notification, click on the Events tab.The image above was shortened to fit into the available space.9. Check the boxe

2IntroductionA RAID (Redundant Array of Independent Disks) is a data storage scheme that uses two or more drives accessed in combination to improve fa

205. Click the Submit button when you are done.Degradation In the unlikely event that one of your hard drives malfunctions, WebPAM reports the conditi

3Table 2 RAID DrivesNCQ Native Command Queuing.Option ROM Third-party module that is loaded by the System BIOS which provides extended support for a p

4NOTE: The following notes are important for RAID configuration:• RAID 1 is the only RAID configuration that HP Compaq dc5750 Business PC products off

5Figure 1 Performance - RAID 0 with two hard drivesThe HP Compaq dc5750 Microtower also allows for RAID 0 with three hard drives. However, reliabilit

6RAID 1 with two hard drives (Mirror)Because it is a very cost-effective way to increase system storage reliability and a great value proposition, RAI

7Figure 3 Reliability: RAID 1 - MirroringConfigurations Recommended configurationsHP recommends factory configurations of the preinstalled RAID offeri

8WARNING: The PCI Device ID of the mass storage controller changes after changing the BIOS “SATA Emulation” Computer Setup option. Changing SATA Emula

9To order a Recovery Disc Set, go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP