Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access XP P9000 for Linux B.01.00.00

ManualsBrandsHP ManualsSoftwareHP Serviceguard for Linux

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.......................................................................................18

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

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

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

Configuring LVM volume group ...............................................................................................19

Creating LVM volume groups ..............................................................................................19

Installing and configuring an application...................................................................................20

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

Setting up Disk Monitoring ............................................................................................23

Configuring a Metrocluster package using Serviceguard Manager......................................23

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

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

Rolling upgrade for Metrocluster...............................................................................................27

Live Application Detach ..........................................................................................................28

Remote array RAID manager instance.......................................................................................28

Using the XP or P9000 external storage feature (Remote Command Device)..............................28

Using extended SAN..........................................................................................................28

Configuring a remote array RAID Manager instance...............................................................29

Configuring the command device to manage the remote XP or P9000 arrays........................30

Configuring a remote array RAID Manager instance..........................................................31

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