HP COMPAQ DC5750 Technické informace stáhnout pdf

Redundant Array of Independent Disks (RAID) on HP Compaq

dc5750 Business PCs

Using ATI Array Management Software (WebPAM)

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Mirroring and Parity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Disk Striping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Basics of RAID Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Basic RAID Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

RAID 0 with two hard drives (Striped) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

RAID 1 with two hard drives (Mirror) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Recommended configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

HP Backup and Recovery interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Other supported configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Unsupported configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Configuring RAID on non-factory preinstalled configurations . . . . . . . . . . . . . . . . . . . . . . . . . 10

Required BIOS Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Enabling RAID through F10 System BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Configuring RAID Option ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Configuring RAID Volume using the Option ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Select boot order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Notes for operating system installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

ATI Array Management Software (WebPAM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Java Runtime Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Console Software Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Log-in to WebPAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Recommended Initial Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Degradation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

For More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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Shrnutí obsahu

Strany 1

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

Strany 2 - Basics of RAID Technology

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

Strany 3

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

Strany 4 - Basic RAID Types

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

Strany 5

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

Strany 6

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

Strany 7 - Configurations

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

Strany 8

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

Strany 9 - Unsupported configurations

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

Strany 10 - Required BIOS Version

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

Strany 11 - Configuring RAID Option ROM

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

Strany 12

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

Strany 13

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

Strany 14

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

Strany 15 - Select boot order

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

Strany 16

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

Strany 17 - Console Software Installation

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

Strany 18 - Recommended Initial Settings

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

Strany 19

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

Strany 20 - For More Information

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