Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access for P9000 and XP A.11.00

Contents
1 Introduction.............................................................................................10
Overview of Continuous Access P9000 and XP concepts.............................................................10
PVOLs and SVOLs..............................................................................................................10
Device groups...................................................................................................................10
Continuous Access Synchronous Replication......................................................................11
Fence level NEVER........................................................................................................11
Fence Level DATA..........................................................................................................11
Continuous Access asynchronous replication..........................................................................11
Continuous Access link timeout.......................................................................................11
Consistency Group........................................................................................................11
Limitations of asynchronous mode....................................................................................12
Continuous Access journal overview.....................................................................................12
Journal volume..............................................................................................................12
Fence level ..................................................................................................................13
Mitigation of network problems.......................................................................................13
Journal group...............................................................................................................14
Continuous Access journal pair state................................................................................14
RAID Manager instance......................................................................................................14
Command Device..............................................................................................................15
Overview of solution for Metrocluster with Continuous Access for P9000 and XP.............................15
Overview of a Metrocluster configuration..............................................................................15
Overview of Metrocluster Device Group Monitor....................................................................16
2 Configuring an application in a Metrocluster environment..............................18
Installing the necessary hardware and software..........................................................................18
Setting up the storage hardware .........................................................................................18
Installing the necessary software..........................................................................................18
Creating the cluster.................................................................................................................18
Site Aware Failover configuration.........................................................................................18
Easy deployment of Metrocluster..........................................................................................19
Setting up the replication.........................................................................................................19
Creating the RAID Manager configuration............................................................................19
Pair creation of Journal Groups.......................................................................................22
Creating Continuous Access Journal Pair..........................................................................22
Notes on the Raid Manager configuration........................................................................23
Configuring automatic Raid Manager startup....................................................................23
Configuring LVM volume group and VxVM disk group.................................................................23
Creating and exporting LVM volume groups using Continuous Access P9000 or XP....................23
Creating VxVM disk groups using Continuous Access P9000 or XP..........................................24
Importing VxVM disk groups at the Remote Site................................................................25
Easy deployment of storage.................................................................................................26
Installing and configuring an application...................................................................................26
Configuring a Metrocluster package .........................................................................................26
Volume monitor configuration..............................................................................................29
Configuring a Metrocluster package using Serviceguard Manager...........................................29
Easy deployment of Metrocluster modular packages...............................................................33
3 Configuring complex workloads using SADTA..............................................35
Creating a Site Aware Metrocluster configuration........................................................................35
Creating a Serviceguard cluster with sites configured..............................................................35
Configuring the Cluster File System (CFS) multi-node package..................................................36
Easy deployment of Site-Aware cluster and CFS cluster using cmdeploycl...................................36
Contents 3