Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access for P9000 and XP A.11.00

3DC DR Solution Configuration..............................................................................................100
Tri-Link Configuration........................................................................................................102
Bi-Link Configuration.........................................................................................................104
Overview of Device Group Monitor Feature in 3DC DR Solution.................................................106
Infrastructure Requirements.....................................................................................................107
Configuring an application....................................................................................................107
Install the required software on all nodes in the 3DC DR Solution ..........................................108
Configuring the Primary Cluster ........................................................................................108
Configuring the Recovery Cluster ......................................................................................108
Configuring RAID Manager in the Primary and Recovery Cluster............................................108
Creating Device Group Pairs ............................................................................................115
Assigning Remote Command Devices to Journal Volumes......................................................118
LVM Volume Groups Configuration.....................................................................................118
VxVM Configuration.........................................................................................................119
Installing and configuring the application at the primary cluster ............................................120
Configuring Primary Packages in the Primary Cluster using the 3DC Modules .........................120
Starting the primary packages in the primary cluster ............................................................123
Installing and configuring the application at the recovery cluster ...........................................123
Configuring Recovery Packages in the Recovery Cluster.........................................................123
Configure Continentalclusters and Continentalclusters Recovery Group....................................125
Deploying a Complex Workload in Three Data Center Solution using SADTA...............................126
Overview of Deploying a Complex Workload in 3DC using SADTA........................................126
Deploying Oracle RAC in a 3DC Solution using SADTA........................................................128
Configuring Oracle RAC in a 3DC Solution using SADTA......................................................129
Configuring the Primary Cluster.....................................................................................130
Configure the Recovery Cluster......................................................................................130
Configure RAID Manager in the primary and recovery cluster...........................................130
Creating Device Group Pairs........................................................................................131
Configuring Oracle RAC and the Site Controller Package in the primary cluster...................131
Setting up Oracle RAC redundantly in the primary cluster............................................131
Configuring the Site Controller Package in the primary cluster......................................131
Configuring Site Safety Latch Dependencies in the Primary Cluster ...............................133
Configuring Oracle RAC and the Site Controller Package in the recovery cluster..................133
Configuring Oracle RAC in the recovery cluster..........................................................133
Configuring the Site Controller Package in the Recovery Cluster....................................136
Configuring the Site Safety Latch Dependencies in the Recovery Cluster.........................138
Configure Continentalclusters........................................................................................139
Configure a Continentalclusters Recovery Group..............................................................139
Verifying the Three Data Center Environment............................................................................139
Previewing the Data Replication Storage Failover by Using cmdrprev......................................140
Testing the application startup at the recovery cluster............................................................141
Testing Continentalclusters Recovery Using cmrecovercl in the Recovery Cluster........................142
Automatic Failover between DC1 and DC2..............................................................................143
Recovery at the third data center (DC3)...................................................................................145
Performing Recovery Group Rehearsal in the 3DC DR Solution...............................................145
Failback Scenarios................................................................................................................145
Failback from Data Center 3 (DC3)....................................................................................145
Recovering the latest data from DC3...................................................................................146
MULTI-HOP-BI-LINK Data Recovery from DC3 to DC1.......................................................146
MULTI-TARGET-BI-LINK Data Recovery from DC3 to DC1...................................................147
TRI-LINK Data Recovery from DC3 to DC1......................................................................149
Configuring Remote Array RAID Manager Instances for RCMD (Optional)....................................150
Timing Considerations...........................................................................................................150
Bandwidth for Continuous Access and Application Recovery Time...............................................151
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