Veritas Storage Foundation and High Availability Solutions Release Notes

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230Configuring VCS to manage a Logical Domain using services from multiple I/O domainsConfiguring VCS to manage a Logical Domain using services from multiple I/O domainsConfigurationparameterLocalize resourceattribute valueDescriptionYou may need to localize VCS resource attributes depending onthe type of back-end storage device.For example, for Disk resource, if the back-end storage paths fromthe control and alternate I/O domains are different, you need tolocalize the partition attribute.Disk disk1(Partition @primary ="/dev/rdsk/c3t50060E8000C46C50d2s2"Partition @alternate ="/dev/rdsk/c1t50060E8000C46C50d2s2")Service group typeConfigure theSystemList attributeConfigure PhantomresourceService groups that manage storage services in the control domainand alternate I/O domain must be configured as a parallel servicegroup.Modify the SystemList attribute of the service group to addhostnames of the control domain and alternate I/O domainconfigured on the physical system.If all the resources are of the type Disk, configure a Phantomresource.The Disk resource is of the type OnOnly and does not contributeto determine the state of the service group. The Phantom resourceenables VCS to determine the state of parallel service groups thatdo not include OnOff resources.For more information on the Phantom agent, refer to the VeritasCluster Server Bundled Agents Reference Guide.An example of storage service group configuration from main.cf configuration(for a setup that has two physical systems)Control domain host names – primary1, primary2Alternate domain host names – alternate1, alternate2group primary1-strsg (SystemList = { primary1 = 0, alternate1 = 1 }AutoStartList = { primary1, alternate1 }Parallel = 1
Configuring VCS to manage a Logical Domain using services from multiple I/O domainsConfiguring VCS to manage a Logical Domain using services from multiple I/O domains231)Disk disk1(Partition @primary1 = "/dev/rdsk/c3t50060E8000C46C50d2s2"Partition @alternate1 = "/dev/rdsk/c1t50060E8000C46C50d2s2")Phantom ph1 ()group primary2-strsg (SystemList = { primary2 = 0, alternate2 = 1 }AutoStartList = { primary2, alternate2 }Parallel = 1)Disk disk2(Partition @primary2 = "/dev/rdsk/c3t50060E8000C46C50d2s2"Partition @alternate2 = "/dev/rdsk/c1t50060E8000C46C50d2s2")Phantom ph2 ()Configure network service groupsVCS agents manage network resources that are made available to a guest LogicalDomain. Depending on the back-end storage device, use appropriate VCS agent.For more information, see Identify supported storage and network services.Note: You must configure a network service group on each physical system in thecluster.
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Veritas Storage Foundationand High
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Symantec Corporation350 Ellis Stree
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■■■■■■■Hardware infor
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ContentsTechnical Support .........
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Contents9Chapter 4 Upgrading to 6.0
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Chapter1About Veritas StorageFounda
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Veritas Storage Foundation and High Availability Solutions Release Notes

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