Hp 3PAR Operating System Software Manual de usuario Pagina 6
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- SOLUCIÓN DE PROBLEMAS
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Valorado. / 5. Basado en revisión del cliente
Setting Volume Group Policies...........................................................................................118
Automatically Restarting Volume Groups........................................................................119
Generating Alerts for Slow Resynchronization of Asynchronous Periodic Volume Groups.......119
Volume Group Modes......................................................................................................120
Overview of Volume Group Modes................................................................................120
Synchronous Mode......................................................................................................120
Advantages of Synchronous Mode............................................................................121
Latency in Synchronous Mode..................................................................................121
Asynchronous Periodic Mode........................................................................................121
Advantages of Asynchronous Periodic Mode..............................................................122
Synchronization...............................................................................................................122
Types of Synchronization..............................................................................................123
Limits on Volumes that Concurrently Synchronize..............................................................123
Asynchronous Periodic Mode Volume Groups..................................................................123
Full Synchronization................................................................................................124
Resynchronization...................................................................................................125
Setting Up Resynchronization for Asynchronous Periodic Mode.....................................126
Setting the Synchronization Period........................................................................126
Considerations for Setting the Synchronization Period.............................................127
Synchronous Mode Volume Groups...............................................................................127
Full Synchronization................................................................................................127
Resynchronization...................................................................................................127
16 Optimizing Performance....................................................................128
Avoiding RCIP Throughput Issues during Initial Synchronization..............................................128
Optimizing RCIP Synchronization Speed over Distances........................................................128
Optimizing RCIP Throughput by Increasing MTU Size...........................................................128
Limiting Throughput..........................................................................................................129
Limiting Throughput for Asynchronous Periodic Volume Groups..........................................129
Removing Throughput Limits..........................................................................................130
Troubleshooting RCIP Autonegotiation Issues........................................................................130
Distribution of Host Writes over RCIP GigE Links...................................................................131
17 HP 3PAR Peer Persistence with Transparent Failover................................132
HP 3PAR Quorum Witness Requirements.............................................................................132
HP 3PAR Quorum Witness Components..............................................................................133
HP 3PAR Peer Persistence..................................................................................................134
Manual Transparent Switchover.....................................................................................137
Automatic Transparent Failover......................................................................................141
HP 3PAR Peer Persistence Quorum.....................................................................................141
VMware vSphere Metro Storage Cluster Configuration.....................................................142
Handling Automatic Transparent Failover........................................................................143
Link and Communication Failure Scenarios.....................................................................144
Communication Failure—Array to Array....................................................................144
Communication Failure—Site 1 to Quorum Witness....................................................145
Communication Failure—Site 1 to Quorum Witness and Site 1 to Site 2........................146
Communication Failure—Site 2 to Quorum Witness....................................................146
Communication Failure—Site 2 to Quorum Witness and Site 1 to Site 2........................147
No Communication on the Part of Quorum Witness with Site 1 and Site 2.....................148
No Communication among Quorum Witness, Site 1, and Site 2...................................148
Path Management Policies.................................................................................................149
Peer Persistence Coexistence with Other Remote-Copy Groups...............................................150
18 Using Tape for Initial Synchronization and Backup.................................151
19 Managing VASA-connected Remote-Copy Groups and Volumes..............153
Creating Remote-Copy Groups with Associated Local and Remote CPGs.................................153
6 Contents
- HP 3PAR OS 3.1.3 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- Servers” (page 39) 12
- Requirements 13
- Requirements 15 15
- 1-to-1 Configuration 16
- N-to-1 Configuration 17
- 1-to-N Configuration 18
- M-to-N Configuration 19
- Network Connection Types 23
- Fibre Channel Networks 24
- 4 Gathering Setup Information 25
- 5 Setting the Transport Layer 26
- RCIP Initial Remote-Copy Pair 27
- Configuring Ports for RCIP 30
- Setting the Gateway 31
- Increasing MTU 33
- Configuring Ports for RCFC 35
- # controlport offline 2:3:1 36
- 1-to-1 Remote Copy 40
- N-to-1 Remote Copy 40
- 1-to-N Remote Copy 41
- ◦ HP 3PAR T-Class Storage 44
- ◦ HP 3PAR F-Class Storage 44
- M-to-N Remote-Copy Examples 45
- # showrctransport -rcfc 48
- # startrcopy 48
- 7 Setting Up SLD Remote Copy 56
- ◦ IP—Specifies an IP link 58
- 60 Setting Up SLD Remote Copy 60
- For RCFC 61
- For RCIP 61
- SLD Remote-Copy Example 62
- # showrcopy groups 69
- Configuration 71
- 72 Setting Up SLD Remote Copy 72
- 74 Setting Up SLD Remote Copy 74
- • For RCIP remote-copy pairs: 77
- • For RCFC remote-copy pairs: 78
- # showrcopy 80
- 9 Bidirectional Configuration 86
- Part III Managing Remote Copy 92
- # stoprcopy -stopgroups 94
- Additional Information 95
- Remote-Copy Pairs 99
- Overview of Targets 99
- Target Definitions 99
- Remote-Copy Target System 100
- Remote-Copy Target System 101 101
- 13 Remote-Copy Links 102
- Links per Remote-Copy Pair 103
- Receiving Links 104
- Growing Virtual Volumes 107
- Renaming Virtual Volumes 108
- Virtual Volumes and CPGs 108
- Basic Information about CPGs 109
- Creating a CPG 109
- 15 Working with Volume Groups 110
- How Volume Groups Work 111
- How Volume Groups Are Named 112
- Unidirectional Volume Groups 113
- Bidirectional Volume Groups 113
- Synchronous Mode 116
- Asynchronous Periodic Mode 116
- Changing One Volume Group 117
- Setting Volume Group Policies 118
- Volume Group Modes 120
- Synchronization 122
- Types of Synchronization 123
- Full Synchronization 124
- Resynchronization 125
- 16 Optimizing Performance 128
- Limiting Throughput 129
- Removing Throughput Limits 130
- HP 3PAR Peer Persistence 134
- HP 3PAR Peer Persistence 135 135
- Manual Transparent Switchover 137
- HP 3PAR Peer Persistence 139 139
- Path Management Policies 149
- Configuring ESX Host Personas 155
- 20 Error Handling 156
- Failure of a Single Link 157
- Target failure 157
- 158 Error Handling 158
- Failure of a Storage System 159
- Write Errors 159
- Read Errors 160
- Read Errors 161 161
- Primary System (System1) 166
- Secondary System (System2) 166
- Switchover 168
- (page 172) 171
- Backup System (System2) 173
- Transfer) 219
- Failover 236
- Recovery 238
- Part V Reference 251
- 25 Quick Setup Guide 252
- (continued) 256
- 27 Using Remote Copy Commands 261
- Issuing Remote-Copy Commands 262
- Starting the vSphere Client 263
- Quorum-Witness CLI Commands 265
- Stopping a Quorum Witness 266
- Removing a Quorum Witness 266
- Quorum Troubleshooting 267
- • Active sysmgr logs 269
- • qw logs on each node 269
- 29 Remote-Copy Snapshots 270
- Snapshots in Synchronous Mode 271
- If the Backup System Fails 272
- If the Primary System Fails 272
- Contacting HP 274
- HP 3PAR documentation 274
- Typographic conventions 277
- HP 3PAR branding information 277
- 31 Documentation feedback 278
- Glossary 279
- 280 Glossary 280
- 282 Index 282
- 284 Index 284
- 286 Index 286
- 288 Index 288
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