Building Disaster Recovery Serviceguard Solutions Using Metrocluster with EMC SRDF

Configuring the storage device using SG SMS CFS or CVM................................................40
Configuring the storage device using Veritas CVM.............................................................41
Configuring the storage device using SLVM......................................................................42
Configuring the complex workload stack at the Source Disk Site...............................................42
Configuring complex workload packages to use SG SMS CVM or Veritas CVM....................43
Configuring complex workload packages to use SLVM.......................................................43
Halting the complex workload at the Source Disk Site.............................................................43
Preparing the replicated disk at the target disk site.................................................................43
Configuring the storage device for complex workload at the target disk site...............................43
Configuring the storage device using CFS or SG SMS CVM................................................43
Configuring the storage device using Veritas CVM.............................................................44
Configuring the storage device using SLVM .....................................................................44
Configure the identical complex workload stack at the recovery site..........................................45
Halting the complex workload on the recovery site.................................................................45
Configuring the Site Controller package for the complex workload................................................45
Configuring the Site Controller package using Serviceguard Manager......................................45
Configuring Site Controller package using command line interface...........................................48
Configuring an empty site controller package...................................................................48
Configuring the Site Safety Latch dependencies for a complex workload..............................49
Modifying Site Controller to manage complex workload....................................................49
Starting the complex workload in the Metrocluster..................................................................49
4 Metrocluster features.................................................................................51
Data replication storage failover preview...................................................................................51
Rolling upgrade for Metrocluster...............................................................................................51
Live Application Detach ..........................................................................................................52
HP vPars and HP Integrity VM..................................................................................................52
Checking the Metrocluster package configuration.......................................................................52
5 Understanding Failover/Failback scenarios..................................................55
Package Failover using SRDF/Asynchronous...............................................................................57
Failure scenarios in a complex workload...................................................................................57
Site failover ......................................................................................................................57
Node failure and rejoining the cluster...................................................................................58
Network partitions across sites.............................................................................................59
Disk array and SAN failure.................................................................................................59
Replication link failure........................................................................................................59
Site Controller package failure.............................................................................................59
Site failure........................................................................................................................60
6 Administering Metrocluster.........................................................................61
Adding a node to a Metrocluster..............................................................................................61
Maintaining a cluster..............................................................................................................61
Managing Business Continuity Volumes (BCV)............................................................................62
Protecting against rolling disasters........................................................................................62
Using the BCV in resynchronization......................................................................................62
R1/R2 swapping....................................................................................................................63
R1/R2 swapping using Metrocluster with EMC SRDF..............................................................63
R1/R2 swapping using manual procedures...........................................................................63
Administering the SADTA configuration......................................................................................64
Maintaining a node...........................................................................................................64
Maintaining the site...........................................................................................................65
Moving the Site Controller package to a node at the local site.................................................65
Maintaining Site Controller package....................................................................................65
Deleting the Site Controller package.....................................................................................66
Starting a complex workload...............................................................................................66
4 Contents