User's Guide

Quantum DX-Series Software Interface Guide 9
Chapter 2
2Emulated Medium Changer
SCSI Commands
This chapter describes the specific Small Computer Systems Interface
(SCSI-2) terminology in relation to the DX-Series system.
Table 5 lists the
SCSI-2 terms and their equivalent DX-Series terms.
Table 5 SCSI-2
Terms
DX-Series system:
• Is a SCSI-2 medium changer devices - the host computer serves as the
SCSI initiator and issues commands to the DX-Series system and tape
drives, which act as SCSI targets
• SCSI target support - does not perform any initiator functions (each
DX-Series system has its own SCSI address separate from any other
SCSI devices, including the tape drives)
SCSI-2 Term Equivalent DX-Series Term
Logical Unit DX-Series system
Initiator Host computer
Data Transfer Element Virtual tape drive
Medium Transport Element Virtual gripper mechanism
Storage Element Storage bin