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From Tim Mackey <>
Subject Re: Guest networks not created on all Xen hosts in a pool leading to migration failure
Date Mon, 08 Sep 2014 13:41:12 GMT
I'm assuming you're doing the migration from either the XenServer command
line, or from XenCenter.  If you do the VM migration from within
CloudStack, CloudStack will create the VLAN on the target and everything
will work as you expect.  Here's the doc page:

A word of caution about managing XenServer "objects" outside of CloudStack.
 CloudStack considers itself the "owner" of the objects, so if you make
changes to them from outside of CloudStack, its very likely CloudStack
won't know about those changes and you could run into problems.


On Mon, Sep 8, 2014 at 6:35 AM, Pentium100 <> wrote:

> Hello,
> If I create a new network and start a couple of instances connected to it
> and the instances all start in one host, then the network (vlan) is not
> assigned on the rest of the hosts in the pool. This would not be a problem,
> except that trying to migrate such a VM to another host results in a
> failure because the network is not seen from the destination host.
> If I start enough instances so that both hosts have at least one running,
> then migration succeeds (unless it fails for some other unknown reason).
> Is this a known bug or some configuration problem and how to fix it?
> Cloudstack version 4.4.0, XenServer version 6.2.0

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