Chapter THIRTEEN. HP Array Technologies

Chapter Syllabus

13.1 Advantages of HP Smart Array Controllers

13.2 HP Array Controller Utilities

13.3 Array Controller Technologies and Capabilities

13.4 ATA RAID

After studying this chapter, you should be able to do the following:

• List and describe the advantages of HP Smart Array controllers

• List and describe the utilities used to configure, optimize, and troubleshoot HP Array controllers.

• Explain the key technological advantages of HP Array controllers

• Describe ATA RAID, and explain how HP ProLiant servers support this drive array configuration

All HP Smart Array products use a standard set of technologies and management and utility software to facilitate storage management.

The array controller utilities discussed in this chapter include the following:

• Array Diagnostics Utility (ADU)

• Array Configuration Utility (ACU)

• Array Configuration Utility XE (ACU XE)

• Option ROM Configuration for Arrays (ORCA)

The array controller technologies discussed in this chapter include the following:

• Online spare drives

• Online drive array expansion

• Logical drive capacity extension

• Online RAID-level migration

• Online stripe-size migration

• HP hard drive failure prediction technology

• Dynamic sector repair (DSR)

• Hot-plug drive support

• Automatic data recovery

• Array accelerator (read/write cache)

• Data protection

• Array performance tuning

In addition, this chapter discusses HP's implementation of ATA RAID.