AIntroduction to SASIn this chapter...Terminology Used in This Chapter ....................................................................................... 52What is SAS? ........................................................................................................................... 52How Do SAS Devices Communicate? ................................................................................... 52What’s a Phy? .......................................................................................................................... 53What’s a SAS Port?.................................................................................................................. 53What’s a SAS Address?............................................................................................................ 54What’s a SAS Connector? ....................................................................................................... 54What do SAS Cables Look Like? ............................................................................................ 54How are Disk Drives Identified in SAS? ................................................................................ 54What are the SAS Connection Options? ............................................................................... 54How is SAS Different from Parallel SCSI?............................................................................. 56This section provides a basic overview of the main features of SAS, introduces some commonSAS terms, and explains how SAS differs from parallel SCSI.Note: For technical articles and tutorials about SAS, refer to the SCSI Trade Association(STATM ) Web site at www.scsita.org .
