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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9458) Some VMs are being stopped when agent is reconnecting
Date Mon, 22 Aug 2016 21:11:21 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15431634#comment-15431634
] 

ASF GitHub Bot commented on CLOUDSTACK-9458:
--------------------------------------------

Github user jburwell commented on the issue:

    https://github.com/apache/cloudstack/pull/1640
  
    @marcaurele I agree that an ``UNKNOWN`` state is proper way to handle a network partition.
 As an example, out-of-band management uses this approach which the management server loses
connectivity with the IPMI interface.


> Some VMs are being stopped when agent is reconnecting
> -----------------------------------------------------
>
>                 Key: CLOUDSTACK-9458
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9458
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Marc-Aurèle Brothier
>            Assignee: Marc-Aurèle Brothier
>
> If you loose the communication between the management server and one of the agent for
a few minutes, even though HA mode is not active the HighAvailibilityManager kicks in and
start to schedule vm restart. Those tasks are being inserted as async job in the DB and if
the agent comes back online during the time the jobs are still in the async table, they are
pushed to the agent and shuts down the VMs. Then since HA is not active, the VM are not restarted.
> The expected behavior in my opinion is that the VM should not be restarted at all if
HA mode is not active on them, and let the agent update the VM state with the power report.
> The bug lies in {{HighAvailibilityManagerImpl.scheduleRestartForVmsOnHost(final HostVO
host, boolean investigate)}}, PR will follow.



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