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

Contents 11