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https://issues.apache.org/jira/browse/CLOUDSTACK-155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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edison su resolved CLOUDSTACK-155.
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Resolution: Fixed
> HA checks lead to unnecessary Compute Node reboot when Primary Storage is in
> Maintenance Mode
> ---------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-155
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-155
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM, Volumes
> Affects Versions: pre-4.0.0
> Reporter: Jarosław Dzbęk
> Assignee: edison su
> Fix For: 4.2.0
>
> Attachments: ha.log
>
>
> We are using Cloudstack 3.0.2 using KVM on Ubuntu 12.04 with PrimaryStorage
> over NFS
> When we enable Maintenance Mode on a PrimaryStorage and disconnect the
> storage machine for reconfiguration the heartbeat checks on the KVM lead to
> an unwanted reboot of KVM Compute Nodes.
> The /usr/lib64/cloud/agent/scripts/vm/hypervisor/kvm/kvmheartbeat.sh script
> is correctly identifying a persistent problem with the disconnected storage
> pool. The problem is that this pool was intentionally put into maintenance
> mode and MAY be unavailable.
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