Hp StorageWorks XP Remote Web Console Software Manuel d'utilisateur Page 105
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Master
JNLVOL
Restore
JNLVOL
Primary site
URz
Sec. data VOL
S-VOL
JNLVOL
Master
JNLVOL
Restore
JNLVOL
Primary site
URz
Sec. data VOL
S-VOL
JNLVOL
業務Tasks
業務Tasks
TCz
Synchronous
TCz
Synchronous
TCz Synchronous
secondary site
TCz Synchronous
secondary site
URz
secondary site
URz
secondary site
P-VOL/Prm.
data VOL
P-VOL/Prm.
data VOL
P-VOL: primary volume
S-VOL: secondary volume
Prm data VOL: primary data volume
Sec. data VOL: secondary data volume
JNLVOL: journal volume
Figure 44 Re
covering from Failures in the Primary Site and the TCz Synchronous
Secondary Site
Transferring Business Tasks from the URz Secondary Site to the Primary Site
If you follow the instructions in the previous section and then remove failures from the primary site and the
TCz Synchronous secondary site, you can transfer your business tasks back to the primary site.
To transfer your business tasks back to the primary site, follow the procedure below. Business Continuity
Manager is used in this procedure:
1. Use Business Continuity Manager to execute the YKDELETE command on the TCz Synchronous
pair.
NOTE:
YKDELETE is a command for releasing a pair.
2. Reverse the copy direction of the URz pair. To do this, use the Business Continuity Manager to
execute the YKRESYNC REVERSE command on the journal group corresponding to the URz pair.
As a result, the former secondary volume in the URz secondary site changes to the primary data
volume. Also, the former primary volume in the primary site changes to the secondary data volume
(see the upper-right picture in Figure 45 on page 106).
NOTE:
YKRESYNC is a command for re-establishing a pair
3. Stop business tasks at the URz secondary site.
4. Use Bus
iness Continuity Manager to execute the YKSUSPND FORWARD command on the URz
pair.
NOTE:
YKSUSPND is a command for splitting a pair and stopping the copy operation temporarily.
5. Use the primary volume in the primary site to resume your business tasks.
Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200
105
- SVS 200 1
- Contents 3
- Figures 8
- About this Guide 13
- Document Conven 14
- Getting Help 15
- Benefits 18
- Business Solutions 18
- Hitachi Shad 19
- Journal Obtain 22
- Journal Copy 22
- Journal Restore 22
- URz Components 23
- Main and Remote C 25
- Journal Group 25
- Data Volume Pair 26
- Journal Volume 26
- Remote Copy Connections 28
- URzRemoteConsole Software 29
- Host I/O 29
- Time-Stamping Function 29
- Remote Copy Operations 30
- Update Co 31
- Journal Group Operations 31
- Logical DKC (LDKC) 33
- Update Copy Operation 35
- Journal Processing 36
- Creating and S 37
- Storing Journa 38
- Types of Journal 39
- URz Delta Resync Operation 40
- Journal Obta 41
- URz Pair Status 45
- Pair Status Description 47
- Suspend Types 48
- URz Suspension Condition 50
- Command Device 53
- System Requirements 55
- Disk Track Format 56
- Logical Volume Types 57
- The Maximum Number of Pairs 59
- Installing the Hardware 64
- Enabling the URz Option(s) 66
- Planning of Journal Volumes 67
- Journal Volume C 69
- DKC Journal Transfer Speed 70
- System for Remote Console 72
- Basic Behavior 73
- Storage Systems are Used) 74
- Extended Consistency Groups 74
- Systems 77
- Disaster Recov 78
- Combining URz w 79
- Combining 81
- Figure 25 Res 85
- Using At-T 87
- Business Continuity Manager 88
- Hardware Configuration 91
- Setup Procedure 92
- Configuration) 100
- Operation Window 107
- Displaying Info 111
- Configuring Port Attributes 112
- Changing Option 116
- Adding Logical Paths 117
- Deleting Logical Paths 118
- Viewing the St 119
- Removing 121
- Secondar 121
- 5 Using Journal Groups 123
- Using Journal Groups 124
- Caution: 128
- Cautions: 132
- Deleting a Journal Group 141
- Splitting a 142
- Consistency Group 145
- Saving Pair S 154
- Displayin 159
- 7 Monitoring Remote Copy 171
- Operations 171
- Statistic Description 174
- 8Viewing HistoryofDataVolume 175
- Pair Operations 175
- Displaying th 181
- Clearing SIMs 183
- Displaying a L 190
- A master journal group 191
- A restore journal group 191
- Switching Opera 198
- 12 Troubleshooting 201
- Path Status 203
- Troubleshooting 208
- 13 Power Management for Disk 209
- Storage Systems and Network 209
- Relay Devices 209
- Volumes 213
- 15 SIM Reporting 215
- Acronyms and Abbreviations 218
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