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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 Thu, 03 Jan 2013 00:26:12 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13542595#comment-13542595
] 

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

Note - I've seen this happen now when the VM host is off the network and I reboot it, and
when there's a RAID problem on the VM host and cloud-agent isn't able to communicate with
the management server as a result (for some reason).
                
> 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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