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Contents v
Hitachi Universal Replicator for IBM /OS User’s Guide
Contents
Overview of Universal Replicator for IBM z/OS
®
...................................... 1-1
Hitachi Universal Replicator................................................................................1-2
Features...........................................................................................................1-3
Benefits............................................................................................................1-4
Business Solutions.............................................................................................1-5
About Universal Replicator Operations.................................................... 2-1
Functionality Overview.......................................................................................2-2
Journal Obtain............................................................................................2-3
Journal Copy..............................................................................................2-4
Journal Restore..........................................................................................2-4
Components.....................................................................................................2-4
USP V Storage Systems...............................................................................2-7
Universal Replicator for z/OS
®
Software........................................................2-7
Main and Remote Control Units....................................................................2-7
Logical DKC (LDKC) ....................................................................................2-8
Remote Copy Connections...........................................................................2-9
Initiator Ports and RCU Target Ports...........................................................2-10
Data Volume Pair......................................................................................2-10
Journal Volume ........................................................................................2-11
The Number of Journal Volumes..........................................................2-11
Specifications of Journal Volumes........................................................2-11
Restrictions on Journal Volumes..........................................................2-12
Journal Volume Areas.........................................................................2-13
Journal Group ..........................................................................................2-13
Extended Consistency Groups....................................................................2-14
Host I/O Time-Stamp.........................................................................2-17
Error Reporting Communications (ERC)................................................2-18
Remote Copy Operations.................................................................................2-18
Initial Copy Operations..............................................................................2-19
- z/OS® 1
- User's Guide 1
- Contents 5
- Preface 11
- Intended Audience 12
- Product Version 12
- Document Revision Level 12
- Changes in this Revision 12
- Document Organization 13
- Referenced Documents 13
- Document Conventions 14
- Getting Help 15
- Comments 16
- IBM z/OS 17
- Hitachi Universal Replicator 18
- Features 19
- Benefits 20
- Business Solutions 21
- Functionality Overview 24
- Journal Obtain 25
- Components 26
- USP V Storage Systems 29
- Universal Replicator for z/OS 29
- Software 29
- Logical DKC (LDKC) 30
- Remote Copy Connections 31
- Data Volume Pair 32
- Journal Volume 33
- Journal Group 35
- Up to 16 37
- Host I/O Time-Stamp 39
- Remote Copy Operations 40
- Initial Copy Operations 41
- Update Copy Operation 42
- Journal Group Operations 42
- Difference Management 45
- Journal Processing 46
- Types of Journal 47
- URz Delta Resync Operation 50
- As shown in 51
- Pair Status 55
- • URz Pair Status 56
- Suspend Types 58
- Table 2-5 Suspend Types 59
- Suspension Condition 60
- Command Device 64
- Operations 67
- System Requirements 68
- Disk Track Format 70
- Volume Types 71
- • The number of cylinders: 74
- Duplicate Volumes 78
- Installing the Hardware 79
- *1 Fabric OFF 81
- Enabling the URz Option(s) 82
- System for Remote Copy 83
- Secondary Storage Systems 88
- Virtual LVI 91
- Cache Residency Manager 91
- ShadowImage for z/OS 91
- ShadowImage for z/OS 98
- Basic Behavior 101
- Hardware Configuration 103
- • Primary site 103
- • Intermediate site 103
- • Remote site 103
- Setup Procedure 103
- • Secondary site for URz 106
- Primary Site Failures 111
- Primary Site) 115
- Secondary Site 117
- Synchronous Secondary Site 118
- Volumes 121
- Configuration 122
- Arranging Journal Volumes 123
- Capacity) 124
- Storage Systems 125
- Connected 126
- System Option Mode 127
- TagmaStore USP/NSC 127
- Consistency Groups 129
- DKCs are USP V 131
- Journal Operation Window 136
- • Display all JNL groups: 137
- – Restoring mirrors 138
- Pair Operation Window 141
- /NSC, “00” is 144
- DKC Operation Window 147
- Operation Window 149
- – path group ID 149
- Usage Monitor Window 154
- History Window 155
- Figure 4-9 History Window 156
- Optional Operation Window 161
- EXCTG Operation Window 163
- Add JNLG to EXCTG 166
- Consistency Group 168
- A master journal group 169
- A restore journal group 169
- Logical Paths 171
- Systems 173
- – the path group ID 180
- Figure 5-3 Add DKC Window 182
- Adding Logical Paths 185
- Figure 5-5 Add Path Window 186
- Deleting Logical Paths 190
- Managing SIMs 191
- • CU: Displays CU numbers 192
- Relay Devices 193
- Same Time 196
- Configuring Journal Groups 199
- Group Uses Two Mirror IDs) 207
- – Inflow Control is No 210
- Mode Description 216
- Notes: 218
- Deleting a Journal Group 219
- Performing Pair Operations 235
- Figure 8-2 Add Pair Window 241
- /NSC, “00” is displayed as 247
- (13) (14) 250
- Note: If you select pairs 255
- Note: If you select 261
- Recovering a Pinned Track 262
- Usage Monitor Operations 265
- Usage Scenarios 273
- Disaster Recovery Procedure 280
- Performed) 283
- Normal Operations 289
- Performing Failover 289
- Performing Failback 291
- – YKQUERY 293
- – YKRESYNC DELTAJNL 293
- – YKEWAIT GOTO(DUPLEX) 293
- Troubleshooting 295
- General Troubleshooting 296
- Troubleshooting 5 299
- 6 Troubleshooting 300
- Software Error Codes 301
- 8 Troubleshooting 302
- 10 Troubleshooting 304
- Troubleshooting 11 305
- 12 Troubleshooting 306
- Acronyms and Abbreviations 307
- Index-2 Index 310
- Index Index-3 311
- Index-4 Index 312
- MP-96RD625-01 314
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