5 Building Disaster Recovery Serviceguard Solutions Using Metrocluster with EMC

SRDF.......................................................................................................

255

Files for Integrating Serviceguard with EMC SRDF.....................................................................

255

Overview of EMC and SRDF Concepts....................................................................................

256

Preparing the Cluster for Data Replication................................................................................

257

Installing the Necessary Software.......................................................................................

257

Building the Symmetrix CLI Database..................................................................................

257

Determining Symmetrix Device Names on Each Node...........................................................

258

Building a Metrocluster Solution with EMC SRDF.......................................................................

262

Setting up 1 by 1 Configurations.......................................................................................

262

Creating Symmetrix Device Groups................................................................................

262

Configuring Gatekeeper Devices...................................................................................

263

Verifying the EMC Symmetrix Configuration....................................................................

264

Creating and Exporting Volume Groups.........................................................................

264

Importing Volume Groups on Other Nodes.....................................................................

264

Configuring PV Links....................................................................................................

265

Grouping the Symmetrix Devices at Each Data Center...........................................................

265

Setting up M by N Configurations......................................................................................

265

Creating Symmetrix Device Groups....................................................................................

266

Configuring Gatekeeper Devices........................................................................................

267

Creating the Consistency Groups.......................................................................................

267

Creating Volume Groups..................................................................................................

268

Creating VxVM Disk Groups using Metrocluster with EMC SRDF............................................

270

Validating VxVM Disk Groups using Metrocluster with EMC SRDF..........................................

270

Additional Examples of M by N Configurations...................................................................

271

Configuring Serviceguard Legacy Packages for Automatic Disaster Recovery............................

272

Configuring Modular Packages..........................................................................................

275

Configuring Modular Packages with Metrocluster EMC SRDF A.08.00...............................

275

Migrating a Metrocluster Legacy Package to a Metrocluster SRDF A.08.00 Modular

 

Package.....................................................................................................................

278

Configuring Modular Packages using Metrocluster EMC SRDF A.09.00 or Later..................

279

Migrating Legacy Packages to Modular Packages using Metrocluster EMC SRDF A.09.00 or

Later..........................................................................................................................

280

Upgrading Metrocluster SRDF Modular Packages to the Latest Version................................

281

Checking the Metrocluster Package Configuration............................................................

282

Support for Easy Deployment Features................................................................................

283

Easy Cluster Creation...................................................................................................

283

Easy Storage Preparation.............................................................................................

283

Easy Deployment of Metrocluster Modular Packages........................................................

284

Adding a Node to a Metrocluster......................................................................................

284

Maintaining a Cluster that uses Metrocluster with EMC SRDF.................................................

285

Managing Business Continuity Volumes..............................................................................

285

Protecting against Rolling Disasters................................................................................

285

Using the BCV in Resynchronization...............................................................................

286

R1/R2 Swapping.............................................................................................................

287

R1/R2 Swapping using Metrocluster SRDF.....................................................................

287

R1/R2 Swapping using Manual Procedures....................................................................

287

Some Further Points...............................................................................................................

288

Metrocluster with SRDF/Asynchronous Data Replication.............................................................

290

Overview of SRDF/Asynchronous Concepts.........................................................................

290

Requirements for using SRDF/Asynchronous in a Metrocluster Environment..............................

291

Hardware Requirements...............................................................................................

291

Software Requirements.................................................................................................

291

Preparing the Cluster for SRDF/Asynchronous Data Replication..............................................

291

10 Contents