Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access XP P9000 for Linux B.12.00.00

ManualsBrandsHP ManualsSoftwareHP Metrocluster with 3PAR Remote Copy E-LTU

Contents

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

Overview of Continuous Access P9000 and XP concepts...............................................................6

PVOLs and SVOLs................................................................................................................6

Device groups.....................................................................................................................6

Continuous Access Synchronous Replication............................................................................7

Fence level NEVER..........................................................................................................7

Fence Level DATA............................................................................................................7

Continuous Access Asynchronous replication...........................................................................7

Continuous Access link timeout.........................................................................................7

Consistency Group..........................................................................................................7

Limitations of asynchronous mode......................................................................................8

Continuous Access journal overview.......................................................................................8

Journal volume................................................................................................................8

Fence level ....................................................................................................................9

Mitigation of network problems.........................................................................................9

Journal group...............................................................................................................10

Continuous Access journal pair state................................................................................10

RAID Manager Instance......................................................................................................10

Command Device..............................................................................................................11

Overview of solution for Metrocluster with Continuous Access XP P9000 for Linux...........................11

Overview of a Metrocluster configuration..............................................................................11

Overview of Metrocluster Device Group Monitor....................................................................12

2 Configuring an application in a Metrocluster environment..............................14

Installing the necessary hardware and software..........................................................................14

Setting up the storage hardware .........................................................................................14

Installing the necessary software..........................................................................................14

Creating the cluster.................................................................................................................14

Site Aware Failover Configuration........................................................................................15

Setting up the replication.........................................................................................................15

Creating the RAID Manager configuration............................................................................15

Pair creation of Journal Groups.......................................................................................19

Creating Continuous Access Journal Pair..........................................................................19

Notes on the Raid Manager configuration........................................................................19

Configuring automatic Raid Manager startup....................................................................19

Virtual command device configuration.............................................................................20

Configuring LVM volume group ...............................................................................................20

Creating LVM volume groups ..............................................................................................20

Installing and configuring an application...................................................................................21

Configuring a Metrocluster package ....................................................................................21

Setting up Disk Monitoring ............................................................................................24

Configuring a Metrocluster package using Serviceguard Manager......................................24

3 Metrocluster features.................................................................................27

Data replication storage failover preview...................................................................................27

Cluster verification..................................................................................................................27

Rolling upgrade for Metrocluster...............................................................................................29

Live Application Detach ..........................................................................................................29

Remote array RAID manager instance.......................................................................................29

Using the XP or P9000 external storage feature (Remote Command Device)..............................30

Using extended SAN..........................................................................................................30

Configuring a remote array RAID Manager instance...............................................................30

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