Veritas Storage Foundation and High Availability Solutions Release Notes

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242Configuring 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 domains■■The DomainFailurePolicy attribute would be changed to {primary=ignore,alternate1=stop} or {primary=ignore, alternate1=ignore}.Guest domain will not be stopped even when primary domain is rebooted orshutdownThe SysDownPolicy attribute would be set to AutoDisableNoOffline for plannedmaintenance. VCS will not fail-over the service group when the node is downinstead the group would be put in to auto-disabled state.The guest domain can continue to function normally with the I/O services availablethrough alternate I/O domain when the control domain is taken down formaintenance.When the control domain is under maintenance, and if the alternate I/O domainfails due one of the following:■■DomainFailurePolicy attribute is set to {primary=ignore, alternate1=stop} andonly the I/O services from alternate I/O domain are unavailable (i/o domainis active, but n/w or storage loss).DomainFailurePolicy attribute is set to {primary=ignore, alternate1=ignore}and if the alternate I/O domain is down (domain is in-active).In this situation guest domain will not be functioning normally and it is notpossible to bring down the guest domain as there is no way to access the guestdomain. In such scenarios, you must perform the following step to online theLDom service group on any other available nodes.To online the LDom service group1 If the primary domain can be brought up, then bring up the primary domainand stop the guest domain:# ldm stop ldom_nameIf this is not possible, power off the physical system from the console so thatthe guest domain stops.2 Auto enable the service group:# hagrp -autoenable group -sys system3 Online the LDom service group:# hagrp -online group -any
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 domains243Sample VCS configuration for AlternateIO resource configured as afail over typeinclude "types.cf"cluster altio-cluster (UserNames = { admin = XXXXXXXXXXX }Administrators = { admin }HacliUserLevel = COMMANDROOT)system primary1 ()system alternate1 ()system primary2 ()system alternate2 ()group aiosg (SystemList = { primary1 = 0, primary2 = 1 }AutoStartList = { primary1 }TriggerPath = "bin/AlternateIO"TriggersEnabled @primary1 = { PREONLINE }TriggersEnabled @primary2 = { PREONLINE })AlternateIO altiores (StorageSG @primary1 = { primary1-strsg = 1 }StorageSG @primary2 = { primary2-strsg = 1 }NetworkSG @primary1 = { primary1-nwsg = 0 }NetworkSG @primary2 = { primary2-nwsg = 0 })// resource dependency tree//// group aiosg// {
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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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About Veritas Storage Foundation an
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Chapter2Installing the products for
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Installing the products for the fir
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Installing the products using JumpS
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Chapter4Upgrading to 6.0.3This chap
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Veritas Storage Foundation and High Availability Solutions Release Notes

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