Contents

List of Figures

Title and Copyright Information

Preface

• Documentation Accessibility

1 Overview

• SCSI Bus Interface
  • Overview
  • Benefits
  • Implementation
• Fibre Channel Standard
  • Overview
  • Benefits
  • Implementation

2 ACSLS Logical Libraries

• Elements of a Logical Library
  • Hand Element
  • Import/Export Elements
    • Volume Movement
    • Capacity Changes
    • Prevent/Allow Considerations
  • Storage Elements
    • Assigning and Unassigning Volumes
    • Volume Movement
    • Capacity Changes
  • Drive Elements
    • Capacity Changes
    • Adding and Removing Drives
    • Drive Failures
• Command Support
  • Inquiry
  • Mode Sense (6)
  • Move Medium
  • Prevent/Allow Medium Removal
  • Read Element Status
  • Report LUNs
  • Request Sense
  • Reserve/Release
• Tape Drives and Media Types Supported

3 SCSI Commands

• Implementation Requirements
  • Command Descriptor Blocks
  • Control Byte
• Initialize Element Status (07h)
• Initialize Element Status with Range (37h)
• Inquiry Command (12h)
  • Normal Inquiry Data Definition
  • Supported Pages Definition
  • Unit Serial Number Page Definition
  • Device Identification Page (Fibre Only)
• Log Sense Command (4Dh) — Not Supported
• Mode Select 6-byte (15h) and Mode Select 10-byte (55h) — Not Supported
• Mode Sense 6 (1Ah)
  • Mode Sense Parameter Header
  • Element Address Assignment Page
  • Device Capabilities Page
• Mode Sense 10-byte (5Ah) — Not Supported
• Move Medium (A5h)
• Persistent Reserve In (5Eh) — Not Supported
• Persistent Reserve Out (5Fh) — Not Supported
• Position to Element (2Bh)
• Prevent/Allow Medium Removal (1Eh)
• Read Element Status (B8h)
  • Element Status Data Header Definition
  • Element Status Page Header
  • Element Descriptors
    • Medium Transport Element Descriptor
    • Storage Element Descriptor
    • Import/Export Element Descriptor
    • Data Transfer Element Descriptor
  • Element Descriptor Definitions
• Release 6-byte (17h) and Release 10-byte (57h) — Not Supported
• Report LUNs (A0h)
  • Report LUNs Data Definition
• Request Sense (03h)
  • Request Sense Data Definitions
  • Additional Sense Codes and Qualifiers
    • Not Ready Sense Key Code (2h)
    • Hardware Error Sense Key Code (4h)
    • Illegal Request Sense Key Code (5h)
    • Unit Attention Sense Key Code (06h)
    • Aborted Command Sense Key Code (0Bh)
• Request Volume Element Address (B5h) — Not Supported
• Reserve 6-byte (16h) and Reserve 10-byte (56h) — Not Supported
• Send Diagnostic (1Dh) — Not Supported
• Send Volume Tag (B6h) — Not Supported
• Test Unit Ready (00h)
• Write Buffer (3Bh) — Not Supported