Configuring the Site Controller Package.............................................................................. | 390 |
Configuring the Site Safety Latch Dependencies................................................................... | 390 |
Starting the Disaster Tolerant Oracle RAC Database with ASM in the Metrocluster.................... | 391 |
Understanding Failure Scenarios in a Site Aware Disaster Tolerant Architecture............................. | 391 |
Failure Scenarios in a Complex Workload.......................................................................... | 391 |
Site Failover .............................................................................................................. | 391 |
Node Failure and Rejoining the Cluster.......................................................................... | 392 |
Network Partitions Across Sites...................................................................................... | 393 |
Disk Array and SAN Failure......................................................................................... | 393 |
Replication Link Failure................................................................................................. | 393 |
Site Controller Package Failure...................................................................................... | 393 |
Site Failure................................................................................................................. | 394 |
Failure Scenarios in Metrocluster for RAC............................................................................ | 394 |
Oracle RAC Database Failure ...................................................................................... | 394 |
Oracle RAC Database Instance Failure........................................................................... | 394 |
Oracle RAC Database Oracle Clusterware Daemon Failure.............................................. | 395 |
Administering the Site Aware Disaster Tolerant Metrocluster Environment...................................... | 395 |
Administering the SADTA Configuration.............................................................................. | 395 |
Maintaining a Node................................................................................................... | 395 |
Maintaining the Site.................................................................................................... | 396 |
Maintaining the Metrocluster Environment File................................................................. | 396 |
Moving the Site Controller Package to a Node at the Local Site......................................... | 396 |
Maintaining Site Controller Package.............................................................................. | 396 |
Upgrading the Site Controller Package........................................................................... | 397 |
Deleting the Site Controller Package.............................................................................. | 397 |
Starting a Complex Workload...................................................................................... | 398 |
Shutting Down a Complex Workload............................................................................. | 398 |
Moving a Complex Workload to the Remote Site............................................................. | 398 |
Restarting a Failed Site Controller Package..................................................................... | 399 |
Migrating Complex Workloads Using Legacy SG SMS CVM/CFS Packages to Modular SG |
SMS CVM/CFS Packages with Minimal Downtime.......................................................... | 399 |
Administering Metrocluster for RAC.................................................................................... | 400 |
Online Addition and Deletion of Nodes......................................................................... | 400 |
Adding Nodes Online on a Primary Site where the RAC Database is Running................ | 400 |
Adding Nodes Online on a Remote Site where the RAC Database is Down................... | 401 |
Deleting Nodes Online on the Primary Site where the RAC Database Package Stack is | |
Running................................................................................................................ | 401 |
Deleting Nodes Online on the Site where the RAC Database Package Stack is Down...... | 402 |
Starting a Disaster Tolerant Oracle Database 10gR2 RAC................................................ | 402 |
Shutting Down a Disaster Tolerant Oracle Database 10gR2 RAC....................................... | 403 |
Halting and Restarting the RAC Database MNP Packages................................................ | 403 |
Maintaining Oracle Database 10gR2 RAC MNP packages on a Site................................. | 403 |
Maintaining Oracle Database 10gR2 RAC..................................................................... | 404 |
Moving a Site Aware Disaster Tolerant Oracle RAC Database to a Remote Site................... | 404 |
Limitations of a Site Aware Disaster Tolerant Architecture........................................................... | 405 |
Troubleshooting.................................................................................................................... | 405 |
Logs and Files................................................................................................................. | 405 |
Cleaning the Site to Restart the Site Controller Package......................................................... | 405 |
Identifying and Cleaning RAC MNP Stack Packages that are Halted....................................... | 406 |
Understanding Site Controller Package Logs........................................................................ | 407 |
8 Designing a Three Data Center Disaster Recovery Solution........................... | 413 |
Overview of 3DC DR Solution................................................................................................ | 413 |
Overview of Continuous Access 3DC Replication Technology................................................ | 414 |
Benefits of 3DC DR Solution.............................................................................................. | 423 |