Hp StorageWorks XP Remote Web Console Software Instrukcja Użytkownika Strona 91
- Strona / 219
- Spis treści
- ROZWIĄZYWANIE PROBLEMÓW
- BOOKMARKI
Oceniono. / 5. Na podstawie oceny klientów
R-VOL/
Primary data
volume
Master
JNLVOL
Restore
JNLVOL
Primary site
Intermediate
site
Secondary
site
M-VOL
Secondary
data volume
I/O
I/O finished
Transfer
asynchronously
Transfer
synchronously
Finished storing
data
Figure 36 Basic Behavior in 3DC Cascading Configuration
If a TCz Synchronous pair is suspended in a 3DC cascading configuration, you will be able to
resynchronize the pair by using differential copy. If a URz pair is suspended, you will be able to
resynchronize the pair by using differential copy.
NOTE:
To perform disaster recovery from a failure in the primary site in a 3DC cascading configuration, you
must ensure that thefence levelofthe TCzSynchronous M-VOLis Data (CRIT=Y (ALL))).Ifthisfence level
is specified, you can perform disaster recovery by using the URz secondary data volume that contains
the data stored in the TCz Synchronous M-VOL.
Hardware Configuration
This section explains hardware configuration for a 3DC cascading configuration using TCz Synchronous
and UR-z/OS. In a 3DC cascading configuration, three XP storage systems are required. It is
recommended that Business Continuity Manager is installed on hosts in the primary site, the intermediate
site, and the secondary site. XP Remote Web Console computers are required for these sites. The
following explains hardware configuration for these sites.
• Primary site
• The XP storage system must have TCz Synchronous installed.
• The XP storagesystemmusthaveTCz SynchronousM-VOL.
• Storage system settings must be made so that Business Continuity Manager can be used. For
detailed information about settings required for using volumes in a remote site, please refer to
Business Continuity Manager User’s Guide.
• Intermediate site
• The XP storage system must have TCz Synchronous installed.
• The XP storagesystem musthaveURz installed.
• The XP storagesystem musthaveavolume used as both aTCz SynchronousR-VOL anda
URz primary data volume.
• The XP storagesystemmust haveaURzmasterjournal volume.
• Storage system settings must be made so that Business Continuity Manager can be used. For
detailed information about settings required for using volumes in a remote site, please refer to
Business Continuity Manager User’s Guide.
• Remote site
• The XP storagesystem musthaveURz installed.
• The XP storagesystem musthaveaURzsecondary datavolume.
• The XP storagesystemmust haveaURzrestore journalvolume.
• Storage system settings must be made so that Business Continuity Manager can be used. For
detailed information about settings required for using volumes in a remote site, please refer to
Business Continuity Manager User’s Guide.
Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200
91
- 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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