IBM Multiprise 3000 Mainframe Server Manuals

Manuals and User Guides for IBM Multiprise 3000 Mainframe Server. We have 1 IBM Multiprise 3000 Mainframe Server manual available for free PDF download: Reference Manual

IBM Multiprise 3000 Reference Manual

IBM Multiprise 3000 Reference Manual (264 pages)

Enterprise Server Internal Disk Subsystem

Brand: IBM | Category: Server | Size: 0 MB

Table of Contents

Reference Guide
1
Table of Contents
5
Chapter 1. Overview of the S/390 Internal Disk Subsystem

9
- Host Processor
  10
- Raid Disk Arrays
  11
- Hdd Characteristics
  11
- Internal Disk Raid Fast Write
  12
- Internal Disk Facilities
  12
  - Ckd Emulation
    13
  - Control Unit and Device Emulation
    13
  - Lpar Sharing
    13
  - Enhanced Hdd Reliability
    13
  - Long Busy
    15
- Internal Disk Components
  15
  - Shared Cpc Resources
    15
  - Ssa Adapter Card
    16
  - Hdd Packaging
    16
- Internal Disk Logical Volume Configurations
  16
- Commands and Facilities Not Supported
  19
- Iocp Definitions
  19
- Ras Characteristics
  20
Chapter 2. Processing Commands and Presenting Status

21
Chapter 3. Elements of Data Access

33
- Track Format
  33
  - Track Address
    33
  - Track Accessing
    34
  - Track Orientation
    34
  - Record Accessing
    35
- Data Transfer Commands
  35
  - File Protection
    36
Chapter 4. Command Descriptions

39
- Channel Command Word
  39
- Exception Conditions
  40
- Command Operations
  40
  - Multitrack Operations
    40
- Defective/Alternate Track Operations
  41
- Summary of Channel Commands
  41
  - List of Channel Commands by Hex Code
    44
- Addressing and Control Commands
  45
  - Define Extent
    46
  - Locate Record
    51
  - Locate Record Extended
    65
  - Seek Operations
    84
  - Seek Cylinder
    86
  - Seek Head
    87
  - Set File Mask
    89
  - Set Sector
    90
  - Read Sector
    91
  - Read Device Characteristics
    92
- Read Commands
  99
  - Read Home Address
    100
  - Read Record Zero
    101
  - Read Count, Key, and Data
    102
  - Read Key and Data
    104
  - Read Data
    106
  - Read Count
    108
  - Read Multiple Count, Key, and Data
    109
  - Read Track
    110
  - Read Track Data
    112
  - Read Ipl
    114
- Search Commands
  115
  - Search Home Address Equal
    116
  - Search ID Equal
    117
  - Search ID High
    118
  - Search ID Equal or High
    118
  - Search Key Equal
    119
  - Search Key High
    120
  - Search Key Equal or High
    120
- Write Commands
  120
  - Write Home Address
    122
  - Write Record Zero
    123
  - Write Count, Key, and Data
    124
  - Write Count, Key, and Data Next Track
    126
  - Write Update Key and Data
    129
  - Write Key and Data
    131
  - Write Update Data
    133
  - Write Data
    135
  - Write Full Track
    137
  - Write Track Data
    140
- Sense Commands
  142
  - Sense ID
    143
- Miscellaneous Commands
  145
  - Read and Reset Buffered Log
    146
  - Read Configuration Data
    149
  - Configuration Data
    150
- Path Control Commands
  156
  - Device Reserve
    156
  - Device Release
    158
  - Unconditional Reserve
    159
  - Reset Allegiance
    161
  - Set Path Group ID
    163
  - Sense Path Group ID
    166
  - Suspend Multipath Reconnection
    168
- Subsystem Commands
  168
  - Perform Subsystem Function
    168
  - Sense Subsystem Status
    174
  - Read Subsystem Data
    177
Chapter 5. 24-Byte Compatibility Sense Data

183
- Byte Sense Data Summary
  184
  - Sense Data Formats
    184
- Byte Sense Data Description
  186
  - Sense Bytes 0, 1, and
    186
    
    Sense Byte 3–Count
    188
    
    Sense Byte 5–Low Cylinder Address
    189
    
    Sense Byte 6–High Cylinder Address and Track Address
    189
    
    Sense Byte 7–Format/Message
    189
    
    Sense Bytes 8 through 23–Format-Dependent Information
    189
- Byte Compatibility Sense Data Formats
  192
Chapter 6. Eckd 32-Byte Sense Data

199
- Eckd 32-Byte Sense Data Summary
  200
- Eckd 32-Byte Sense Data Description
  202
  - Sense Byte
    202
  - Sense Byte 2–Control Unit Type
    203
  - Sense Byte 3–Remaining Intent Count
    203
  - Sense Byte 5–Device Type Code
    204
  - Sense Byte 6–Content and Format
    204
  - Sense Bytes 20 and 21–Subsystem Identifier
    204
  - Sense Bytes 22 and 23–Exception Code
    204
  - Sense Bytes 7 through
    204
    
    Sense Byte 24–Logging and Message Control
    205
    
    Sense Byte 28–Message Code
    206
    
    Sense Byte 31–Head Address
    207
    
    Sense Bytes 29 and 30–Cylinder Address
    207
  - Sense Data Dependent on Exception Class
    208
Chapter 7. Error Recovery Procedures

215
- Erps for 24-Byte Compatibility Sense
  215
  - Error Recovery Actions
    216
  - Error Message
    219
- Erps for Eckd 32-Byte Sense
  219
  - Erp Actions
    220
  - Erp Message Requirements
    223
Appendix A. Device Characteristics

225
Appendix B. Caching Algorithms

235
- Caching Algorithm Definitions
  235
- Algorithms for Cache Misses
  235
- Algorithms for Cache Hits
  236
- Algorithm Modifications Due to Cache Hints
  236
- Algorithm Special Cases
  237
Appendix C. Warranties

239
- Statement of Limited Warranty
  239
- Ibm Agreement for Licensed Internal Code
  242
Appendix D. Notices

245
- Electronic Emission Notices
  246
List of Abbreviations

249

Advertisement

Advertisement

Related Products

IBM Categories

Desktop

Storage

Laptop

Monitor

More IBM Manuals