
Quantum DX-Series Software Interface Guide iii
Contents
Preface xxi
Chapter 1 Theory of Operation 1
Enhanced Data Protection Overview.............................................................. 1
SCSI-2 Implementation Philosophy ................................................................ 2
Medium Changer Elements.............................................................................. 2
Medium Transport Element...................................................................... 3
Storage Elements and Data Transfer ELements..................................... 3
Events................................................................................................................... 5
Power Cycle................................................................................................. 5
DX-Series Unit On-Line Initialization Failure ........................................ 5
Operational Sequences...................................................................................... 6
Power-On ..................................................................................................... 6
On-Line Initialization................................................................................. 6
DX-Series Unit Inventory .......................................................................... 7
Off-Line ........................................................................................................ 8
Typical Application Enhancements ......................................................... 8
Chapter 2 Emulated Medium Changer SCSI Commands 9
Supported Operational Commands.............................................................. 11
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