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From "Andrew Bayer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-600) When rebooting KVM local storage VM host, libvirt definitions deleted
Date Fri, 04 Jan 2013 02:40:14 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543552#comment-13543552
] 

Andrew Bayer commented on CLOUDSTACK-600:
-----------------------------------------

One thing I just thought of - the hosts in question weren't in maintenance mode when rebooted
(they were either in alert or disconnected status) - I wonder if that might have caused weird
behavior.
                
> When rebooting KVM local storage VM host, libvirt definitions deleted
> ---------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-600
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-600
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM
>    Affects Versions: pre-4.0.0
>            Reporter: Andrew Bayer
>
> This is definitely the case in 3.0.3, and I don't think the relevant code has been touched
since.
> When you reboot a VM host running KVM local storage VMs, the VMs are deleted from libvirt.
I presume this is due to CloudStack thinking it's migrating them away from the host, but obviously,
given that we're on local storage, it's unable to do that. The result is that the VMs are
not able to be restarted when the host comes back online.

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