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https://issues.apache.org/jira/browse/CLOUDSTACK-3535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13710826#comment-13710826
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Paul Angus commented on CLOUDSTACK-3535:
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@Logan - I think your solution works most of the time as long as there is
resilience/redundancy in the management network to the hosts. so I can see two
potential problems - one physical - if there is only one link into the host for
management and it is lost then it would fail all tests but the VMs would still
be up. - and one in the OS - if the cloudbr for management went down the same
would happen.
The first would be avoided by good design. I'm not sure how likely the second
is anyway.
> No HA actions are performed when a KVM host goes offline
> --------------------------------------------------------
>
> Key: CLOUDSTACK-3535
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3535
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Hypervisor Controller, KVM, Management Server
> Affects Versions: 4.1.0, Future
> Environment: KVM (CentOS 6.3) with CloudStack 4.1
> Reporter: Paul Angus
>
> If a KVM host 'goes down', CloudStack does not perform HA for instances which
> are marked as HA enabled on that host (including system VMs)
> CloudStack does not show the host as disconnected.
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