Resynchronizing..........................................................................................................
194
Using the pairresync Command....................................................................................
195
Failback.....................................................................................................................
Timing Considerations.................................................................................................
196
Data maintenance with the failure of a Metrocluster with Continuous Access for P9000 and
XP Failover.................................................................................................................
Swap Takeover Failure (Asynchronous/Journal mode)......................................................
Takeover Timeout (for Continuous Access Journal mode)...................................................
PVOL-PAIR with SVOL-PSUS(SSWS) State (for Continuous Access Journal Mode)...................
197
Metrocluster with Continuous Access for P9000 and XP Device Group Monitor........................
P9000 or XP/Continuous Access Device Group Monitor Operation Overview.....................
Configuring the Monitor...............................................................................................
Configure the Monitor’s Variables in the Package Environment File.....................................
198
Configure Metrocluster with Continuous Access for P9000 and XP Device Group Monitor for
Modular Packages......................................................................................................
199
Configure Metrocluster with Continuous Access for P9000 and XP Device Group Monitor as
a Service of the Package..............................................................................................
Configuring the Metrocluster with Continuous Access for P9000 and XP Device Group Monitor
as a Service in the Site Controller Package.....................................................................
Troubleshooting the Metrocluster with Continuous Access for P9000 and XP Device Group
Monitor.....................................................................................................................
200
Completing and Running a Continentalclusters Solution with Continuous Access P9000 or XP.........
Setting up a Primary Package on the Source Disk Site...........................................................
Setting up a Recovery Package on the Recovery Cluster........................................................
203
Setting up the Continentalclusters Configuration...................................................................
205
Switching to the Recovery Cluster in Case of Disaster............................................................
206
Failback Scenarios...........................................................................................................
Scenario 1.................................................................................................................
Scenario 2.................................................................................................................
Failback in Scenarios 1 and 2......................................................................................
Failback when the Primary has SMPL Status....................................................................
207
Maintaining the Continuous Access P9000 and XP Data Replication Environment.....................
208
209
Some Further Points ....................................................................................................
4 Building Disaster Recovery Serviceguard Solutions Using Metrocluster with
Continuous Access EVA..............................................................................
211
Files for Integrating the EVA with Serviceguard Clusters..............................................................
Overview of EVA and Continuous Access EVA Concepts............................................................
212
Metrocluster with EVA and Data Replication........................................................................
DR Groups.................................................................................................................
213
DR Group Properties...............................................................................................
Log Disk.....................................................................................................................
214
Copy Sets.......................................................................................................................
215
Managed Sets.................................................................................................................
Failover..........................................................................................................................
Continuous Access EVA Management Software...................................................................
Preparing a Serviceguard Cluster for Metrocluster Continuous Access EVA ..................................
216
Setting up the Storage Hardware.......................................................................................
Cluster Configuration........................................................................................................
217
Management Server/SMI-S and DR Groups Configuration....................................................
Defining Management Server and SMI-S Information ...........................................................
218
Creating the Management Server List.............................................................................
Creating the Management Server Mapping File..............................................................
219
8Contents