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

Metrocluster SRDF Topology using SRDF/Asynchronous....................................................291
Configuring Metrocluster with EMC SRDF using SRDF/Asynchronous...........................................292
Building a Device Group for SRDF/Asynchronous................................................................292
Package Configuration using SRDF/Synchronous or SRDF/Asynchronous................................294
First-time installation of Metrocluster with EMC SRDF using SRDF/Synchronous....................294
Pre-existing Installations of Metrocluster SRDF using SRDF/Synchronous..............................294
Migration of Existing Applications from SRDF/Synchronous to SRDF/Asynchronous..............294
Package Failover using SRDF/Asynchronous........................................................................294
Protecting against a Rolling Disaster...................................................................................294
Limitations and Restrictions................................................................................................294
Metrocluster with SRDF/Asynchronous Multi-Session Consistency Data Replication.........................295
Overview of SRDF/Asynchronous MSC Concepts.................................................................295
Configuring Metrocluster with EMC SRDF using SRDF/Asynchronous Multi-Session Consistency
(MSC) Data Replication....................................................................................................297
Building a Composite Group for SRDF/Asynchronous MSC..............................................297
Configuring a Package using SRDF/Asynchronous MSC........................................................298
Initial installation of Metrocluster with EMC SRDF using SRDF/Asynchronous.......................298
Metrocluster with EMC SRDF is already installed.............................................................299
Setting up the RDF Daemon...............................................................................................299
Starting and Stopping the Daemon................................................................................299
Building Continentalclusters Solution with EMC SRDF.................................................................299
Setting up a Primary Package on the Primary Cluster............................................................299
Setting up a Recovery Package on the Recovery Cluster........................................................302
Setting up the Continentalclusters Configuration...................................................................303
Switching to the Recovery Cluster in Case of Disaster............................................................304
Failback Scenarios...........................................................................................................305
Scenario 1.................................................................................................................305
Scenario 2.................................................................................................................307
Maintaining the EMC SRDF Data Replication Environment.....................................................308
Normal Startup...........................................................................................................308
Normal Maintenance..................................................................................................308
6 Building Disaster Recovery Serviceguard Solutions Using Metrocluster with 3PAR
Remote Copy............................................................................................310
Files for Integrating HP 3PAR Storage Systems with Serviceguard Clusters.....................................310
Overview of Solution for Metrocluster with 3PAR Remote Copy...................................................311
Overview of HP 3PAR Remote Copy Concepts..........................................................................311
Remote Copy Pairs...........................................................................................................312
Remote Copy Volume Groups............................................................................................312
Remote Copy and Thin Provisioning....................................................................................313
Remote Copy Volume Group Modes...................................................................................313
Remote Copy Target Definitions.........................................................................................313
Virtual Domains...............................................................................................................313
HP 3PAR User Privileges....................................................................................................314
Infrastructure Requirements.....................................................................................................314
Configuring an application in a Metrocluster with 3PAR Remote Copy environment.......................315
Install the required software on all nodes in the Metrocluster..................................................315
Creating the Cluster.........................................................................................................315
Setting up replication using 3PAR Remote Copy...................................................................315
Using HP 3PAR Management Console GUI.....................................................................316
Using HP 3PAR CLI Commands using SSH......................................................................316
Setting up the user to perform Remote Copy operations by Metrocluster..................................318
Creating HP 3PAR Storage System User.........................................................................318
Setting up the SSH without a password from the cluster nodes to the HP 3PAR storage
systems......................................................................................................................318
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