Hi Boris,
no errors or exceptions are logged on management or agent logs.

On 27/04/2017 15:28, Boris Stoyanov wrote:
HI Ugo,

Have you noticed any failures in the UI and/or exceptions in the management 
logs?

Thanks,
Boris Stoyanov


boris.stoya...@shapeblue.com
www.shapeblue.com
53 Chandos Place, Covent Garden, London  WC2N 4HSUK
@shapeblue
On Apr 27, 2017, at 4:22 PM, Ugo Vasi <ugo.v...@procne.it> wrote:

Hi all,
we have an installation of cloudstack 4.5 on Ubuntu 16.04 with KVM as 
hypervisor.

We have one zone only and an advanced network configuration with some isolated 
networks.

Since a few days we have a problem while migrating some VMs from any hypervisor 
to any other one, but the problem does not affect all VMs.

Some VMs migrate from an host to another but disappear from the network. I can 
enter via proxy-console but it seems they are disconnected from the network, 
the router is not pingable in both directions (router to vm and vice versa). 
Other VMs and routers of the isolated network continue to work.
In some cases the VMs return visible if I migrate them back to the original 
host, in some other cases I have to stop and restart them.

Note that this problem has only appeared recently, we did not make changes to 
network topology, the same VMs that cause problems now didn't before.
Cloudstack doesn't log any problem...

Any ideas?

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  U g o   V a s i    <ugo.v...@procne.it>
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Le informazioni contenute in questo messaggio sono riservate e
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Qualora Lei non fosse la persona a cui il presente messaggio è
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--

  U g o   V a s i    <ugo.v...@procne.it>
  P r o c n e  s.r.l    >)
  via Cotonificio 45  33010 Tavagnacco IT
  phone: +390432486523 fax: +390432486523

Le informazioni contenute in questo messaggio sono riservate e
confidenziali ed è vietata la diffusione in qualunque modo eseguita.
Qualora Lei non fosse la persona a cui il presente messaggio è
destinato, La invitiamo ad eliminarlo e a non leggerlo, dandocene
gentilmente comunicazione.
Per qualsiasi informazione si prega di contattare supp...@procne.it .
Rif. D.L. 196/2003

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