Summary

This chapter provided a detailed overview of the two main types of hard drive technologies currently used in industry-standard servers: ATA/IDE and SCSI.

The following key concepts explained in this chapter are critical for HP Accredited Integration Specialists to understand:

• The advantages and disadvantages of ATA/IDE

• The differences between ATA/IDE and SCSI

• The different versions of ATA/IDE

• The attributes of SCSI-1, SCSI-2, and SCSI-3, and the differences between the versions

• Compatibility between different SCSI protocols

• How SCSI addressing works, including device IDs and LUNs

• SCSI cables, connectors, and termination

• How to troubleshoot problems with SCSI devices

The next chapter introduces concepts relating to drive arrays.