Hp XP Continuous Access Software Manuel d'utilisateur Page 13
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data volume according to the write sequence number. This will ensure write sequence consistency
between the primary and secondary data volumes. After the journal data is restored to the secondary
data volume, the journal data is discarded at the secondary site.
XP Continuous Access Journal Components
XP Continuous Access Journal operations involve the storage systems at the primary and secondary
sites, the physical communications paths between these storage systems, and the storage system
XP Continuous Access Journal Remote Console Software. XP Continuous Access Journal copies the
original online data at the primary site to the offline backup volumes at the secondary site via the
dedicated Fibre Channel remote copy connections using a journal volume. You can operate the
XP Continuous Access Journal with the user-friendly GUI environment by using the storage system
XP Continuous Access Journal Remote Web Console software.
Host failover software is required for effective disaster recovery with XP Continuous Access Journal.
Figure 2 (page 13) shows the XP Continuous Access Journal components and their functions.
Figure 2 XP Continuous Access Journal Components and Functions
Figure 3 (page 14) shows a multiple secondary storage system configuration for XP Continuous
Access Journal. By connecting one primary storage system with more than one secondary storage
system, you can create a volume pair that has a one-to-one relationship for each journal group.
XP Continuous Access Journal Components 13
- Journal Software User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- XP Continuous Access Journal 8
- Features 9
- Benefits 9
- Business Solutions 10
- Functionality Overview 11
- Journal Obtain 12
- Journal Copy 12
- Journal Restore 12
- Storage Systems 14
- Logical Disk Controllers 14
- Systems) 15
- Consistency Groups 15
- Remote Copy Connections 16
- Journal Groups 17
- Data Volume Pairs 18
- Journal Volumes 18
- OPEN-VDKU (drive) 19
- Host Failover Software 20
- Initial Copy Operation 21
- Update Copy Operation 22
- Journal Group Operations 23
- Update Copy Failure 24
- Journal Processing 25
- Types of Journals 26
- Pair Status 32
- Split Types (PSUS) 38
- Suspend Types 40
- Suspension Condition 41
- Requirements and Restrictions 43
- Logical Unit (LU) Types 45
- Maximum Number of Pairs 47
- Duplicate Volumes 50
- Installing the Hardware 51
- Access Journal Operations 53
- Primary Site 64
- Access Journal Volumes 72
- Virtual LUN 75
- Cache Residency Manager 76
- LUN Manager 76
- XP Thin Provisioning 76
- XP Performance Control 76
- XP Business Copy 76
- 3DC Cascading Configuration) 93
- Basic Behavior 101
- Hardware Configuration 102
- Setup Procedure 103
- Restrictions About 2DC 104
- Data Retention Utility 106
- XP Auto LUN Software 108
- Planning of Journal Volumes 109
- Arranging Journal Volumes 110
- Journal Volume Capacity 110
- Secondary Storage System 112
- Disk Array 113
- Configuration 114
- Journal Operation Window 116
- Pair Operation Window 121
- DKC Operation Window 130
- Usage Monitor Window 135
- History Window 136
- Optional Operation Window 141
- Configuring Port Attributes 144
- Systems (Add DKC) 147
- Adding Logical Paths 150
- Adding Logical Paths 151 151
- Deleting Logical Paths 154
- Turning Power On 157
- 6 Using Journal Groups 159
- 160 Using Journal Groups 160
- 162 Using Journal Groups 162
- 166 Using Journal Groups 166
- 168 Using Journal Groups 168
- 170 Using Journal Groups 170
- Deleting a Journal Group 171
- 172 Using Journal Groups 172
- 174 Using Journal Groups 174
- 176 Using Journal Groups 176
- Figure 80 Paircreate Window 182
- Recovering a Pinned Track 195
- 8 Usage Monitor Operations 197
- 198 Usage Monitor Operations 198
- Figure 86 Display Item Window 199
- Performed) 205
- 3DC Cascading configuration 207
- 10 Troubleshooting 216
- Calling HP Technical Support 240
- Related Documentation 241
- HP Technical Support 242
- Subscription Service 242
- HP Websites 242
- Documentation Feedback 242
- Glossary 243
- 244 Glossary 244
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