Hp Storage Mirroring V5.1 Software Manuel d'utilisateur Page 15
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One-to-one, active/active
Description Each server acts as both a source and target actively replicating data to each
other.
Applications This configuration is appropriate for failover and critical data backup. This
configuration is more cost-effective than the Active/Standby configuration
because there is no need to buy a dedicated target server for each source.
In this case, both servers can do full-time production work.
Considerations Coordination of the configuration of Storage Mirroring and other applications
can be more complex than the one-to-one active/standby configuration.
During replication, each server must continue to process its normal workload.
Administrators must avoid selecting a target destination path that is included
in the source’s replication set. Any overlap will cause an infinite loop.
To support the production activities of both servers during failover without
reducing performance, each server should have sufficient disk space and
processing resources.
Failover and failback scripts must be implemented to avoid conflict with the
existing production applications.
Data from first source
Data from second source
Source and Target
(Active)
Target and Source
(Active)
- User’s Guide 1
- Table of Contents 3
- Introduction 8
- Storage Mirroring operations 10
- Replication 11
- Restoration 13
- Sample configurations 14
- One-to-one, active/active 15
- Many-to-one 16
- One-to-many 17
- Single server 19
- Virtual systems 20
- Resources 21
- Installation 22
- Management Console 32
- Creating groups 34
- Removing groups 34
- Moving servers 35
- Inserting servers 35
- Removing servers 36
- Hiding servers 36
- Unhiding servers 36
- Storage Mirroring workspaces 37
- Failover Control Center 38
- Replication Sets 39
- Replication capabilities 41
- Creating a replication set 43
- New Replication Set 44
- Modifying a replication set 45
- Deleting a replication set 45
- 2. Select the Size tab 46
- Establishing a 47
- Connection Using the 47
- Connection Wizard 47
- Connection Manager 49
- Connection Across a 53
- NAT or Firewall 53
- Establishing the connection 54
- Connection in a 55
- Cluster Environment 55
- Simulating a 61
- Connection 61
- Managing Connections 63
- Monitoring connections 64
- 0 and 1000 68
- Monitoring the message window 69
- Understanding queuing 71
- Configuring queuing 72
- Configuring compression 75
- Disconnecting a connection 76
- Blocking target paths 76
- Mirroring and 77
- 2. Select the Scripts tab 81
- Starting replication 83
- Verification 84
- Scheduled verification 85
- Verification log 86
- Data Transmission 89
- Setting bandwidth limitations 93
- Snapshots 95
- Automatic snapshots 98
- Scheduled snapshots 99
- Manual snapshots 99
- Archiving 100
- Archiving report 104
- Manual archiving 105
- Scheduled archiving 106
- Archive options 107
- Restoration for 109
- Disaster Recovery 109
- Failover for High 112
- Availability 112
- Configuration requirements 113
- Cluster configurations 114
- WINS replication 115
- Windows DNSCMD command 116
- Storage Mirroring DFO command 117
- Macintosh shares 120
- NFS shares 121
- Configuring failover 122
- Monitoring failover 127
- Updating shares manually 128
- Testing failover 128
- Failover manual intervention 129
- Restoration and 130
- Failback for High 130
- Failback then restoration 134
- Monitoring Tools 137
- Log files 138
- Viewing the log files 139
- Using LogViewer 140
- Log messages 141
- The target has been paused 143
- Windows Event Viewer 146
- 5 minutes 166
- DTStat statistics 168
- Windows Performance Monitor 172
- Configuring SNMP 175
- SNMP statistics 175
- SNMP traps 177
- Server Settings 180
- Licensing 182
- 50, this value can 188
- Database 191
- Script credentials 193
- E-mail notification 194
- Send to 195
- Error Codes 196
- Security 201
- 3. Click OK 203
- Storage Mirroring service 204
- Storage Mirroring groups 205
- Windows Active Directory 206
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