On Fri, Dec 02, 2016 at 02:02:21PM +0000, 'Viktor Bachraty' via ganeti-devel 
wrote:
> Add a side effect to StartInstance on Xen hypervisor that restores the
> Xen configuration in case it is missing. This is a common failure
> scenario during migrations. The generic backend checks if the instance
> is running and queries the hypervisor about it's state. If it needs
> recovery, the backend gathers the associated block devices and calls
> RestoreInstance in the same manner as if it would call StartInstance in
> case the instance wasn't already running.
> 
> Signed-off-by: Viktor Bachraty <vbachr...@google.com>

LGTM!

Thanks,
Brian.

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