AIntroduction to SASIn this chapter...Terminology Used in This Chapter ....................................................................................... 53What is SAS? ........................................................................................................................... 53How Do SAS Devices Communicate? ................................................................................... 53What’s a Phy? .......................................................................................................................... 54What’s a SAS Port?.................................................................................................................. 54What’s a SAS Address?............................................................................................................ 55What’s a SAS Connector? ....................................................................................................... 55What do SAS Cables Look Like? ............................................................................................ 55How are Disk Drives Identified in SAS? ................................................................................ 55What are the SAS Connection Options? ............................................................................... 55How is SAS Different from Parallel SCSI?............................................................................. 57This 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(STA TM ) Web site at www.scsita.org .
