AIntroduction to SASIn this appendix...Terminology Used in This Chapter ....................................................................................... 66What is SAS? ........................................................................................................................... 66How Do SAS Devices Communicate? ................................................................................... 67What’s a Phy? .......................................................................................................................... 67What’s a SAS Port?.................................................................................................................. 68What’s a SAS Address?............................................................................................................ 68What’s a SAS Connector? ....................................................................................................... 68What do SAS Cables Look Like? ............................................................................................ 68How are Disk Drives Identified in SAS? ................................................................................ 69What are the SAS Connection Options? ............................................................................... 69How is SAS Different from Parallel SCSI?............................................................................. 71This 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.
