Veritas Storage Foundation™ and High Availability Solutions ...

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146Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring VCS to manage a Logical Domain using services from multiple I/O domainsFigure 6-16shows network service groups in the control domain and alternateI/O domainPerform the configuration steps for the network service group on each physicalsystem.Configuration parameterLocalize network resourceattributeDescriptionYou may need to localize VCS resources depending on theback-end network device.For example, for disk agent, if the network device exportedfrom control and alternate I/O domain are different, youneed to localize the Device attribute.NIC primary1-network(Device @primary = nxge3Device @alternate = nxge4)
Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring VCS to manage a Logical Domain using services from multiple I/O domains147Configuration parameterService group typeConfigure the SystemListattributeConfigure Phantom resourceDescriptionService groups that manage network services in the controldomain and alternate I/O domain must be configured asa parallel service group.Modify the SystemList attribute in the service group toadd host names of the control domain and alternate I/Odomain configured on the physical system.If all the resources are of the type NIC, configure aPhantom resource.The NIC resource is of the type OnOnly and does notcontribute to determine the state of the service group. ThePhantom resource enables VCS to determine the state ofparallel service groups that do not include OnOffresources.For more information on the Phantom agent, refer to theVeritas Cluster Server Bundled Agents Reference Guide.An example of network service group configuration from main.cf (for a setup thathas two physical systems)Control domain host names – primary1, primary2Alternate domain host names – alternate1, alternate2group primary1-nwsg (SystemList = { primary1 = 0, alternate1 = 1 }AutoStartList = { primary1, alternate1 }Parallel = 1)NIC nicres1 (Device @primary1 = nxge3Device @alternate1 = nxge1)Phantom ph3 ()group primary2-nwsg (SystemList = { primary2= 0, alternate2 = 1 }AutoStartList = { primary2, alternate2 }Parallel = 1)
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Technical SupportContacting Technic
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Veritas Storage Foundation™ and High Availability Solutions ...

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