Hi,

As we are since one full week in big issues with our cloudstack implementation 
(unable to create vm, start a
vm, ..., see "Unable to create a deployment for vm" from Pierre Benard on this 
list), 
we are investigating our VirtualRouter Vm and it appears that :

- it appears as a "great green" on cloudstack web interface (running)
- there's full on it's /var (due to below)
- it's /var/log/kern.log is filled with thoses messages :

---
Mar 18 14:11:57 r-3452-VM kernel: [   78.384476] nf_conntrack: table full, 
dropping packet.
Mar 18 14:11:57 r-3452-VM kernel: [   78.422114] nf_conntrack: table full, 
dropping packet.
Mar 18 14:11:57 r-3452-VM kernel: [   78.453980] nf_conntrack: table full, 
dropping packet.
Mar 18 14:11:58 r-3452-VM kernel: [   79.506306] nf_conntrack: table full, 
dropping packet.
Mar 18 14:11:58 r-3452-VM kernel: [   79.509123] nf_conntrack: table full, 
dropping packet.
Mar 18 14:11:58 r-3452-VM kernel: [   79.522540] nf_conntrack: table full, 
dropping packet.
---

What could we do (and how ?)

- Increase RAM of the VirtualRouter VM ? 
- Scale out on the services provided by the VirtualRouter VM ?

Thanks in advance,

-- 
Laurent Steff

DSI/SESI
INRIA
Tél.  : +33 1 39 63 50 81
Port. : +33 6 87 66 77 85
http://www.inria.fr/

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