Building Disaster Recovery Serviceguard Solutions Using Continentalclusters A.08.00

ManualsBrandsHP ManualsSoftwareHP Serviceguard for Linux License Kit

Contents

1 Introduction...............................................................................................8

2 Building the Continentalclusters configuration...............................................10

Creating the Serviceguard clusters at both the sites ....................................................................10

Easy deployment method....................................................................................................10

Traditional deployment method............................................................................................10

Setting up security..............................................................................................................11

Creating data replication between the clusters............................................................................12

Using array based physical replication supported by Metrocluster............................................12

Using any other array based physical replication technology...................................................13

Using software based logical replication...............................................................................13

Creating volume groups or disk groups on the replicated disks if required......................................13

Creating and Exporting LVM Volume Groups ........................................................................14

Creating VxVM Disk Groups...............................................................................................15

Installing and Configuring an application in the primary site........................................................15

Installing and configuring a redundant copy of the application in the recovery site .........................15

Configuring the Continentalclusters primary and recovery packages..............................................15

Configuring primary and recovery packages as modular packages when using Continuous Access

P9000 or XP.....................................................................................................................16

Configuring the primary and recovery packages as modular packages when using Continuous

Access EVA.......................................................................................................................17

Configuring the primary and recovery packages as modular packages when using EMC SRDF....19

Configuring the primary and recovery packages as modular packages when using 3PAR Remote

Copy................................................................................................................................20

Configuring the monitor package..............................................................................................21

Creating a Continentalclusters configuration...............................................................................22

Cluster information.............................................................................................................22

Recovery groups................................................................................................................23

Monitoring definitions.........................................................................................................24

Checking and applying the Continentalclusters configuration........................................................25

Starting the Continentalclusters monitor package........................................................................26

Testing the Continentalclusters..................................................................................................26

Testing Individual Packages.................................................................................................26

Testing Continentalclusters Operations..................................................................................26

3 Performing a recovery operation in Continentalclusters environment.................29

Performing recovery in case of disaster......................................................................................29

Receiving notification..........................................................................................................29

Verifying that recovery is required........................................................................................29

Preparing the storage manually in the recovery cluster............................................................29

Using cmrecovercl to recover the recovery groups...................................................................30

Previewing the storage preparation......................................................................................30

Recovering the entire cluster after a cluster alarm....................................................................30

Recovering the entire cluster after a cluster alert.....................................................................31

Recovering a single cluster in an N-1 configuration.................................................................31

Viewing the Continentalclusters status........................................................................................31

4 Restoring disaster recovery cluster after a disaster.........................................32

Retaining the original roles for primary and recovery cluster.........................................................32

Switching the Primary and Recovery Cluster Roles..................................................................32

Switching the Primary and Recovery Cluster Roles using cmswitchconcl.................................33

Creating a new Primary Cluster................................................................................................34

Creating a new Recovery Cluster..............................................................................................35

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