Building Disaster Recovery Serviceguard Solutions Using Continentalclusters for Linux B.01.00.00

ManualsBrandsHP ManualsSoftwareHP Serviceguard for Linux RH AS ProLiant Cluster

Contents

1 Introduction...............................................................................................6

2 Building the Continentalclusters configuration.................................................8

Creating the Serviceguard clusters at both the sites ......................................................................8

Setting up security....................................................................................................................8

Creating data replication between the clusters............................................................................10

Using array based physical replication supported by Metrocluster............................................10

Using any other array based physical replication technology...................................................11

Using software based logical replication...............................................................................11

Configuring LVM volume group................................................................................................11

Installing and Configuring an application in the primary site........................................................11

Installing and configuring a redundant copy of the application in the recovery site .........................12

Configuring the Continentalclusters primary and recovery packages..............................................12

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

P9000 or XP.....................................................................................................................12

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

Access P6000 EVA............................................................................................................13

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

Copy................................................................................................................................15

Configuring the monitor package..............................................................................................16

Creating a Continentalclusters configuration...............................................................................17

Cluster information.............................................................................................................17

Recovery groups................................................................................................................18

Monitoring definitions.........................................................................................................19

Checking and applying the Continentalclusters configuration........................................................20

Starting the Continentalclusters monitor package........................................................................21

Testing the Continentalclusters..................................................................................................21

Testing individual packages.................................................................................................21

Testing Continentalclusters operations...................................................................................22

3 Performing a recovery operation in Continentalclusters environment.................24

Performing recovery in case of disaster......................................................................................24

Receiving notification..........................................................................................................24

Verifying that recovery is required........................................................................................24

Preparing the storage manually in the recovery cluster............................................................24

Using cmrecovercl to recover the recovery groups...................................................................25

Previewing the storage preparation......................................................................................25

Recovering the entire cluster after a cluster alarm....................................................................25

Recovering the entire cluster after a cluster alert.....................................................................25

Recovering a single cluster in an N-1 configuration.................................................................25

Viewing the Continentalclusters status........................................................................................26

4 Restoring disaster recovery cluster after a disaster.........................................27

Retaining the original roles for primary and recovery cluster.........................................................27

Switching the primary and recovery cluster roles.........................................................................27

Switching the primary and recovery cluster roles using cmswitchconcl.......................................28

Creating a new primary cluster.................................................................................................29

Creating a new recovery cluster................................................................................................30

5 Disaster recovery rehearsal in Continentalclusters..........................................31

Overview of Disaster Recovery rehearsal...................................................................................31

Configuring Continentalclusters Disaster Recovery rehearsal.........................................................31

Configuring maintenance mode in Continentalclusters.............................................................31

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