Building Disaster Recovery Serviceguard Solutions Using Metrocluster with EMC SRDF

Contents
1 Introduction...............................................................................................8
Overview of EMC SRDF............................................................................................................8
Terms and concepts.............................................................................................................8
Types of configuration..........................................................................................................9
Overview of solution for Metrocluster with EMC SRDF..................................................................10
Overview of a Metrocluster configuration..............................................................................10
2 Configuring an application in a Metrocluster solution....................................12
Installing the necessary software...............................................................................................12
Preparing the Cluster for data replication...................................................................................12
Building the Symmetrix CLI database....................................................................................12
Determining Symmetrix device names on each node...............................................................13
Setting up a 1 by 1 configuration.............................................................................................15
Creating Symmetrix device groups.......................................................................................16
Configuring Gatekeeper devices..........................................................................................17
Configuring a device group for SRDF/asynchronous...............................................................17
Verifying the EMC Symmetrix configuration...........................................................................19
Configuring PV links...........................................................................................................19
Setting up M by N configurations.............................................................................................19
Additional examples of M by N configurations......................................................................20
Grouping the Symmetrix devices at each data center..............................................................21
Creating Symmetrix device groups.......................................................................................22
Configuring gatekeeper devices...........................................................................................23
Creating the consistency groups...........................................................................................23
Configuring SRDF/Asynchronous Multi-Session Consistency (MSC) data replication....................24
Building a composite group for SRDF/Asynchronous MSC..................................................25
Setting up the RDF daemon............................................................................................26
Starting and stopping the daemon..............................................................................26
Creating the cluster.................................................................................................................26
Site aware failover configuration..........................................................................................26
Easy deployment of Metrocluster..........................................................................................27
Configuring volume groups......................................................................................................27
Creating volume groups......................................................................................................27
Creating VxVM disk groups using Metrocluster with EMC SRDF...............................................29
Validating VxVM Disk Groups using Metrocluster with EMC SRDF............................................29
Easy storage preparation....................................................................................................30
Installing and configuring an application...................................................................................30
Configuring a Metrocluster package.....................................................................................31
Using command line......................................................................................................31
Using Serviceguard Manager.........................................................................................32
Volume monitor configuration..............................................................................................34
Easy deployment of Metrocluster modular packages...............................................................35
Some further points.................................................................................................................35
3 Configuring complex workloads using SADTA..............................................38
Creating a Site Aware Metrocluster configuration........................................................................38
Creating a Serviceguard cluster with sites configured..............................................................38
Configuring the Cluster File System (CFS) multi-node package..................................................39
Easy deployment of site-aware cluster and CFS cluster using cmdeploycl....................................39
Setting up replication..............................................................................................................39
Setting up the complex workload redundantly in Metrocluster.......................................................39
Configuring the storage device for the complex workload at the Source Disk Site.......................40
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