Building Disaster Recovery Serviceguard Solutions Using Metrocluster with 3PAR Remote Copy for Linux B.12.00.00

ManualsBrandsHP ManualsSoftwareHP Metrocluster with 3PAR Remote Copy E-LTU

Contents

1 Introduction...............................................................................................5

Overview of HP 3PAR concepts..................................................................................................5

Remote Copy pairs .............................................................................................................5

Remote Copy Volume Groups ...............................................................................................5

Remote Copy and thin provisioning........................................................................................5

Remote Copy Volume Group modes.......................................................................................5

Remote Copy target definitions .............................................................................................6

Virtual domains...................................................................................................................6

HP 3PAR user privileges........................................................................................................6

Overview of solution for Metrocluster with 3PAR Remote Copy for Linux ..........................................6

Infrastructure requirements.....................................................................................................6

Overview of a Metrocluster configuration................................................................................8

Overview of Metrocluster 3PAR Remote Copy Volume Group monitor..........................................9

2 Configuring an application in a Metrocluster environment .............................10

Installing the necessary software...............................................................................................10

Creating the cluster.................................................................................................................10

Site Aware Failover Configuration.............................................................................................10

Setting up the replication using 3PAR Remote Copy.....................................................................11

Connecting the arrays to the hosts in the cluster.....................................................................11

Set up HP 3PAR InForm OS CLI for Metrocluster environment....................................................11

Create Remote Copy Volume Group.....................................................................................11

Using HP 3PAR Mmanagement console GUI.....................................................................12

Using HP 3PAR CLI commands........................................................................................12

Creating a 3PAR storage system user to access the Remote Copy Volume Group........................14

Setting up password files for cluster nodes to connect to HP 3PAR storage systems......................15

Configuring LVM volume group ...............................................................................................15

Creating LVM volume groups ..............................................................................................15

Creating VxVM disk groups................................................................................................17

Configuring Metrocluster Packages ...........................................................................................18

Online reconfiguration of the packages................................................................................21

Configuring a Metrocluster package using Serviceguard Manager...........................................22

3 Metrocluster Features................................................................................29

Cluster verification..................................................................................................................29

4 Understanding failover/failback scenarios...................................................32

Failover/failback scenarios in a Metrocluster package.................................................................32

5 Administering a Metrocluster with 3PAR Remote Copy for Linux......................35

Administering a cluster that uses Metrocluster 3PAR Remote Copy.................................................35

Viewing the Remote Copy Volume Group details....................................................................35

Normal maintenance..........................................................................................................35

Remote Copy link failure and resume modes..........................................................................35

Restoring replication after a failover.....................................................................................36

Administering Metrocluster with Serviceguard Manager...............................................................36

Running a package ...........................................................................................................36

Using Run option...........................................................................................................36

Using Advanced Run option...........................................................................................36

Using Halt option...............................................................................................................37

Using Advanced Halt option...............................................................................................38

Rolling upgrade......................................................................................................................39

Limitations of the rolling upgrade for Metrocluster...................................................................39

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