Hp 3PAR Operating System Software Uživatelský manuál Strana 6
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- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
22 Disaster Recovery for 1-to-N Configurations..........................................124
System Information during Normal Operation......................................................................125
Primary System (System1).............................................................................................125
First Backup System (System2).......................................................................................126
Second Backup System (System3)..................................................................................126
System Information during Failover.....................................................................................127
Synchronous Mode......................................................................................................127
Asynchronous Periodic Mode........................................................................................127
Example Output after Primary System Failure..................................................................127
Recovering from Disaster...................................................................................................128
Failover.....................................................................................................................128
Recovery....................................................................................................................129
23 Disaster Recovery for Synchronous Long Distance..................................134
System Information during Normal Operation......................................................................135
Primary System (SystemA).............................................................................................135
Synchronous Backup System (SystemB)...........................................................................136
Asynchronous Periodic Backup System (SystemC).............................................................137
System Information during Failover.....................................................................................138
Synchronous Mode......................................................................................................138
Asynchronous Periodic Mode........................................................................................138
Example Output after Primary System Failure..................................................................138
Stages of Disaster Recovery..........................................................................................139
Failing Over to the Synchronous Backup System...................................................................140
Failover.....................................................................................................................141
Recovery....................................................................................................................143
Failing Over to the Asynchronous Periodic Backup System (with Data Transfer).........................151
Failover.....................................................................................................................152
Recovery....................................................................................................................157
Failing Over to the Asynchronous Periodic Backup System (No Data Transfer)..........................167
Failover.....................................................................................................................168
Recovery....................................................................................................................170
V Remote Copy Concepts...........................................................................180
24 Remote Copy Pairs and Targets...........................................................181
Remote Copy Pairs...........................................................................................................181
Overview of Targets.........................................................................................................181
Target Definitions.............................................................................................................181
Remote Copy Target System..............................................................................................182
System Roles and Direction of Data Flow........................................................................182
Changing the Direction of Data Flow........................................................................183
System Roles and Bidirectional Configurations.................................................................183
25 Remote Copy Links............................................................................184
Sending Links..................................................................................................................184
One Link per Node per Target......................................................................................184
Links per Remote Copy Pair..........................................................................................185
Links per Multiple Remote Copy Pairs.............................................................................185
Receiving Links................................................................................................................186
26 Virtual Volumes and CPGs.................................................................187
Common Provisioning Groups............................................................................................187
How CPGs Allocate Space for Snapshots.......................................................................187
How CPGs Allocate Space for Virtual Volumes................................................................187
Basic Information about CPGs.......................................................................................188
Creating a CPG..........................................................................................................188
6 Contents
- User’s Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- Introduction 10
- Advisories 11
- Servers” (page 42) 12
- Remote Copy System Locations 13
- Additional Information 13
- N-to-1 Configuration 15
- 1-to-N Configuration 16
- If a Backup System Fails 18
- If the Primary System Fails 19
- IP Networks 21
- Fibre Channel Networks 22
- General Considerations 22
- General Requirements 23
- General System Restrictions 23
- General Software Restrictions 24
- Virtual Volume Considerations 25
- N-to-1 Considerations 25
- 1-to-N Considerations 26
- 5 Gathering Setup Information 29
- 6 Setting the Transport Layer 33
- Setting the Gateway 34
- For example: 35
- Increasing MTU (Optional) 37
- Configuring Ports for RCFC 38
- # showport -rcfc 39
- # showrctransport -rcfc 39
- Setting Up the Primary System 47
- Setting Up the Backup System 48
- SolutionProblem 54
- Setting Up the Backup Systems 59
- # showrcopy groups 65
- Example Unidirectional Setup 67
- Example Bidirectional Setup 76
- Part III Managing Remote Copy 85
- Volume Groups 90
- Changing One Volume Group 93
- 17 Modifying Virtual Volumes 95
- Renaming Virtual Volumes 96
- 18 Limiting Throughput 97
- Removing Throughput Limits 98
- 19 Optimizing Performance 99
- Volume Group Mode 100
- Additional Information: 103
- (page 104) 103
- Primary System (System1) 104
- Backup System (System2) 105
- Synchronous Mode 106
- Asynchronous Periodic Mode 106
- Recovering from Disaster 107
- Recovery 108
- Backup System (System1) 114
- First Backup System (System2) 126
- Primary System (SystemA) 135
- Stages of Disaster Recovery 139
- Failover 141
- Transfer) 151
- Part V Remote Copy Concepts 180
- Remote Copy Pairs 181
- Overview of Targets 181
- Target Definitions 181
- Remote Copy Target System 182
- Remote Copy Target System 183 183
- 25 Remote Copy Links 184
- Links per Remote Copy Pair 185
- Receiving Links 186
- 26 Virtual Volumes and CPGs 187
- Basic Information about CPGs 188
- Creating a CPG 188
- 27 Volume Groups 190
- How Volume Groups Work 191
- How Volume Groups Are Named 191
- Unidirectional Volume Groups 192
- Bidirectional Volume Groups 192
- 28 Volume Group Modes 194
- 196 Volume Group Modes 196
- Types of Synchronization 197
- Full Synchronization 198
- Resychronization 199
- Resynchronization 202
- 30 Remote Copy Snapshots 203
- Snapshots in Synchronous Mode 204
- 206 Remote Copy Snapshots 206
- 31 Error Handling 207
- Failure of All Links 208
- Failure of a Storage System 209
- Write Errors 209
- Read Errors 210
- Sync States 211
- Part VI Appendices 212
- A Quick Setup Guide 213
- (continued) 217
- Issuing Remote Copy Commands 223
- D The Remote Copy Commands 224
- 226 The Remote Copy Commands 226
- 228 The Remote Copy Commands 228
- 230 The Remote Copy Commands 230
- AUTHORITY 232
- SUBCOMMANDS 232
- 234 The Remote Copy Commands 234
- SPECIFIERS 235
- RESTRICTIONS 236
- EXAMPLES 236
- 238 The Remote Copy Commands 238
- 240 The Remote Copy Commands 240
- 1:4:1:23410002AC000060 241
- 242 The Remote Copy Commands 242
- # dismissrcopyvv vv1 Group1 244
- 244 The Remote Copy Commands 244
- # growvv vv1 2t 245
- # removercopygroup Group1 249
- 250 The Remote Copy Commands 250
- # removercopytarget System1 251
- # removercopytarget System2 251
- 256 The Remote Copy Commands 256
- 258 The Remote Copy Commands 258
- 260 The Remote Copy Commands 260
- 264 The Remote Copy Commands 264
- 268 The Remote Copy Commands 268
- # showrctransport 269
- # startrcopy 272
- 272 The Remote Copy Commands 272
- # startrcopygroup Group1 273
- 274 The Remote Copy Commands 274
- # stoprcopy -stopgroups 284
- 284 The Remote Copy Commands 284
- # stoprcopygroup Group1 285
- 286 The Remote Copy Commands 286
- # syncrcopy Group1 287
- # syncrcopy -pat testgroup* 288
- 288 The Remote Copy Commands 288
- 290 Index 290
- 292 Index 292
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