AIntroduction to SASIn this appendix...Terminology Used in This Chapter ....................................................................................... 81What is SAS? ........................................................................................................................... 81How Do SAS Devices Communicate? ................................................................................... 82What’s a Phy? .......................................................................................................................... 82What’s a SAS Port?.................................................................................................................. 83What’s a SAS Address?............................................................................................................ 83What’s a SAS Connector? ....................................................................................................... 83What do SAS Cables Look Like? ............................................................................................ 83How are Disk Drives Identified in SAS? ................................................................................ 84What are the SAS Connection Options? ............................................................................... 84How is SAS Different from Parallel SCSI?............................................................................. 86This 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.
