Veritas Storage Foundation and High Availability Solutions Release Notes

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 domains237ConfigurationparameterPreonline triggerDescriptionFor any of the service groups configured in the StorageSG orNetworkSG attributes, if you set the value to 1, configure thepreonline trigger at the service group level.Configuring the preonline trigger ensures that service groupslisted in the StorageSG attributes are offline on all systemsexcept onto the system where failover or a manual switch overis initiated.For information on enabling the preonline trigger, see Configureservice group to monitor services from multiple I/O domains.Sample service group configuration for the AlternateIOresourceAssumption – Storage and network service groups are of the type parallel.group aiosg (SystemList = { primary1 = 0, primary2 = 1 }AutoStartList = { primary1, primary2 }Parallel = 1)AlternateIO aiores1 (StorageSG @primary1 = { primary1-strsg = 0 }StorageSG @primary2 = { primary2-strsg = 0 }NetworkSG @primary1 = { primary1-nwsg = 0 }NetworkSG @primary2 = { primary2-nwsg = 0 })Configure the service group for a Logical DomainVCS uses the LDom agent to manage a guest logical domain. The Logical Domainresource has an online local hard dependency on the AlternateIO resource.