Designing Disaster Recovery Clusters using Metroclusters and Continentalclusters, Reprinted October 2011 (5900-1881)

3DC DR Solution Configuration.........................................................................................424
Tri-Link Configuration...................................................................................................425
Bi-Link Configuration....................................................................................................427
Overview of Device Group Monitor Feature in 3DC DR Solution.............................................428
Infrastructure Requirements.....................................................................................................429
Configuring an P9000 or XP 3DC DR Solution.........................................................................429
Install the required software on all nodes in the 3DC DR Solution ..........................................430
Configuring the Primary Cluster ........................................................................................430
Configuring the Recovery Cluster ......................................................................................430
Configuring RAID Manager in the Primary and Recovery Cluster............................................430
Creating Device Group Pairs ............................................................................................437
Assigning Remote Command Devices to Journal Volumes......................................................440
LVM Volume Groups Configuration.....................................................................................440
VxVM Configuration.........................................................................................................441
Installing and configuring the application at the primary cluster ............................................441
Configuring Primary Packages in the Primary Cluster using the 3DC Modules .........................442
Starting the primary packages in the primary cluster ............................................................445
Installing and configuring the application at the recovery cluster ...........................................445
Configuring Recovery Packages in the Recovery Cluster.........................................................445
Configure Continentalclusters and Continentalclusters Recovery Group....................................447
Deploying a Complex Workload in Three Data Center Solution using SADTA...............................447
Overview of Deploying a Complex Workload in 3DC using SADTA........................................448
Deploying Oracle RAC in a 3DC Solution using SADTA........................................................449
Configuring Oracle RAC in a 3DC Solution using SADTA......................................................450
Configuring the Primary Cluster.....................................................................................451
Configure the Recovery Cluster......................................................................................451
Configure RAID Manager in the primary and recovery cluster...........................................452
Creating Device Group Pairs........................................................................................452
Configuring Oracle RAC and the Site Controller Package in the primary cluster...................452
Setting up Oracle RAC redundantly in the primary cluster............................................452
Configuring the Site Controller Package in the primary cluster......................................452
Configuring Site Safety Latch Dependencies in the Primary Cluster ...............................454
Configuring Oracle RAC and the Site Controller Package in the recovery cluster..................454
Configuring Oracle RAC in the recovery cluster..........................................................454
Configuring the Site Controller Package in the Recovery Cluster....................................458
Configuring the Site Safety Latch Dependencies in the Recovery Cluster.........................459
Configure Continentalclusters........................................................................................460
Configure a Continentalclusters Recovery Group..............................................................460
Verifying the Three Data Center Environment............................................................................461
Previewing the Data Replication Storage Failover by Using cmdrprev......................................461
Testing the application startup at the recovery cluster............................................................462
Testing Continentalclusters Recovery Using cmrecovercl in the Recovery Cluster........................463
Automatic Failover between DC1 and DC2..............................................................................464
Recovery at the third data center (DC3)...................................................................................466
Performing Recovery Group Rehearsal in the 3DC DR Solution...............................................466
Failback Scenarios................................................................................................................466
Failback from Data Center 3 (DC3)....................................................................................466
Recovering the latest data from DC3...................................................................................467
MULTI-HOP-BI-LINK Data Recovery from DC3 to DC1.......................................................467
MULTI-TARGET-BI-LINK Data Recovery from DC3 to DC1...................................................469
TRI-LINK Data Recovery from DC3 to DC1......................................................................470
Configuring Remote Array RAID Manager Instances for RCMD (Optional)....................................471
Timing Considerations...........................................................................................................471
Bandwidth for Continuous Access and Application Recovery Time...............................................472
Contents 15