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122Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring Veritas Cluster Server to fail over a logical domain on a failureNetwork configurationUse the NIC agent to monitor the primary network interface, whether it is virtualor physical. Use the interface that appears using the ifconfig command.Recommended network device to monitor.Figure 6-7 is an example of an logical domain service group. The logical domainresource requires both network (NIC) and storage (Volume and DiskGroup)resources.See the Veritas Cluster Server Bundled Agents Reference Guide for more informationabout the NIC agent.Storage configurationsDepending on your storage configuration, use a combination of the Volume,DiskGroup, and Mount agents to monitor storage for logical domains.Note: Symantec recommends volumes or flat files in volumes that are managedby VxVM for LDom storage for configurations where VCS is in control domain.Veritas Volume Manager exposed volumesVeritas Volume Manager (VxVM) exposed volumes is the recommended storagesolution for VCS in a control domain configuration. Use the Volume and DiskGroupagents to monitor a VxVM volume. VCS with VxVM provides superior protectionfor your highly available applications.Figure 6-7 shows an logical domain resource that depends on a Volume andDiskGroup resource.Figure 6-7The logical domain resource can depend on resources such as NIC,Volume, and DiskGroup depending on the environmentLDomLDomVolumeNICDiskGroupFor more information about the Volume and DiskGroup agents, refer to the VeritasCluster Server Bundled Agents Reference Guide.
Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring Veritas Cluster Server to fail over a logical domain on a failure123Image filesUse the Mount, Volume, and DiskGroup agents to monitor an image file.Figure 6-8 shows how the LDom resource depends on the resources with imagefile.Figure 6-8The LDom resource in conjunction with different storage resourcesLDomLDomMountNICVolumeDiskGroupSee the Veritas Cluster Server Bundled Agents Reference Guide for more informationabout the Mount agent.Configuring logical domainYou must perform the following steps to configure logical domain.To configure logical domain1 Make sure that the network and storage setup meet the VCS requirements.See “Veritas Cluster Server requirements” on page 111.2 Make sure that you have installed the required Solaris operating system inthe logical domain.3 Create logical domain (ldom1) on each system with an identical configurationand boot device.Installing Veritas Cluster Server inside the control domainYou must install VCS in the control domain of each system.To install Veritas Cluster Server inside the control domain◆Install and configure VCS in the control domain of each system.The process for installing VCS in the control domain is very similar to the regularinstallation of VCS. However, you must specify the host name of the controldomain for the name of the host where you want to install VCS.
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