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Group Administration Data recovery
13–5
Figure 13-3 shows the first step in recovering data on the secondary group, which is to fail over the volume to the
secondary group. To do this, promote the inbound replica set to a re
covery volume and snapshots. The recovery
volume contains the volume data represented by the most recent complete replica. Users can connect to the
recovery volume to resume access to volume data.
Figure 13-3: Step 1: Failover to the Secondary Group – Data Is Available
- PS Series Storage Arrays 1
- Table of Contents 3
- Part III: Troubleshooting 10
- Audience 13
- Organization 13
- Conventions 14
- PS Series Array Software 15
- Host Software for Windows 15
- Host Software for VMware 15
- Related Documentation 16
- Contacting Dell 17
- Online Services 17
- About PS Series groups 19
- Modular hardware 20
- Seamless online scalability 21
- Interoperability 21
- Easy setup and management 21
- Automatic SAN operation 22
- Dynamic load balancing 22
- Host-based applications 24
- Part I: Managing Groups 25
- 2 Common group tasks 27
- Setting the group time 27
- About the Group Manager GUI 29
- Navigating the GUI 30
- Keyboard shortcuts 31
- GUI icons 32
- Accessing the alarms panel 32
- Customizing the GUI 33
- Using the CLI 34
- 4 Group security 37
- About group security 37
- Accessing the GUI or CLI 37
- About administration accounts 38
- Management 50
- 5 Group configuration 55
- Displaying the Group summary 55
- Group configuration tabs 57
- Expanding group capacity 58
- Shutting down a group 60
- 6 Group members 61
- Displaying Group members 61
- Displaying member details 61
- Enclosure tab 62
- Controllers tab 63
- Disks tab 63
- Network tab 63
- Connections tab 64
- Service tab 64
- Member RAID policies 64
- RAID level characteristics 65
- Converting a RAID policy 67
- Modify IP settings 69
- About write cache operations 71
- About member firmware 72
- Updating member firmware 73
- Shutting down a member 74
- Restarting a member 75
- 7 Storage pools 79
- About storage pools 79
- Configuring a storage pool 79
- Creating a storage pool 80
- Displaying storage pools 81
- Moving a member to a pool 82
- Moving a volume to a pool 83
- Merging storage pools 83
- Deleting a storage pool 84
- 8 iSCSI target security 85
- Creating a local CHAP account 86
- Deleting a local CHAP account 87
- About iSNS servers 88
- Modifying an iSNS server 89
- Multi-host access to targets 90
- 9 Basic volume operations 93
- About volumes 93
- About volume types 93
- About volume space allocation 94
- About volume data protection 95
- Volume attributes 95
- Creating standard volumes 97
- Displaying volumes 98
- Displaying volume details 99
- Displaying volume snapshots 100
- Displaying volume replication 101
- Displaying volume collections 101
- Displaying volume schedules 101
- Displaying volume connections 102
- About cloning volumes 103
- Modifying a volume alias 105
- Modifying volume permission 106
- Deleting a volume 107
- About thin provisioning 109
- About reported volume size 113
- Creating a thin clone 117
- About volume collections 118
- Status tab 119
- Snapshots tab 119
- Replicas tab 120
- Schedules tab 120
- Modifying a volume collection 120
- Scheduling volume operations 121
- Creating a schedule 122
- Modifying a schedule 123
- Deleting a schedule 123
- 11 Snapshot management 127
- About snapshots 127
- About snapshot schedules 129
- Creating snapshots 129
- About snapshot collections 131
- Modifying snapshot properties 136
- Modifying snapshot permission 137
- Deleting snapshots 138
- 12 Volume replication 139
- About replication 139
- About replicas 139
- How replication works 140
- Manual Transfer Utility 141
- Replication to one partner 142
- Centralized replication 143
- About replication space 145
- 5% + change rate 148
- Replica volume reserve 150
- Replica reserve usage 150
- About replication partners 154
- Attribute Description 155
- Modifying partner passwords 158
- Template replicas tab 161
- Thin clone replica sets tab 161
- Disabling replication 165
- Creating a replica 166
- Cloning an inbound replica 169
- 13 Data recovery 173
- About data recovery 173
- Data recovery procedures 174
- Recovery volume restrictions 181
- Where to go next 186
- Handling a failed operation 187
- Promote to volume 189
- 14 Group event logging 193
- About event messages 193
- Event priorities 194
- About hardware alarms 194
- Event notification methods 194
- Configuring E-Mail home 196
- About SNMP traps 198
- 15 Group monitoring 201
- Monitoring events 202
- Monitoring iSCSI connections 203
- Monitoring snapshot schedules 204
- Monitoring replication 205
- Monitoring a specific partner 210
- Monitoring alarms 210
- Displaying critical alarms 211
- Displaying warning alarms 212
- Monitoring actions 213
- Monitoring group operations 214
- Monitoring group members 215
- Monitoring a specific member 216
- Displaying member space 217
- Monitoring power supplies 218
- Monitoring cooling and fans 218
- Monitoring channel cards 219
- Monitoring control modules 220
- Control module status 221
- Cache battery status 221
- Monitoring disk drives 222
- Monitoring network hardware 223
- Using the Performance Monitor 227
- Changing the display colors 231
- Additional monitoring tools 232
- Contacting customer support 233
- Appendix A Legal notices 235
- Glossary 239
- Group Administration Glossary 240
- Glossary–2 240
- Glossary–3 241
- Glossary–4 242
- Glossary–5 243
- Glossary–6 244
- Glossary–7 245
- Glossary–8 246
- Glossary–9 247
- Glossary–10 248
- Index-1 249
- Group Administration Index 250
- Index- 2 250
- Index-3 251
- Index- 4 252
- Index-5 253
- Index- 6 254
- Index-7 255
- Index- 8 256
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