[Openstack] multi_host not working

Razique Mahroua razique.mahroua at gmail.com
Mon Jul 2 14:33:54 UTC 2012


Hi Marnus, 
I've put a small section here
http://docs.openstack.org/diablo/openstack-compute/admin/content/multi-host.html

I'm thinking about the routing_source_ip configuration option into your nova.conf files

Nuage & Co - Razique Mahroua 
razique.mahroua at gmail.com



Le 2 juil. 2012 à 14:41, Marnus van Niekerk a écrit :

> I have managed to get this working by changing the default gateway on the guest to the compute node it is running on.
> 
> ubuntu at monitor:~$ sudo route del default gw 10.10.11.129
> ubuntu at monitor:~$ sudo route add default gw 10.10.11.112
> 
> But the default gateway is assigned by DHCP - so how can I change the default gateway that nova-network assigns on each compute node?
> 
> Tx
> M
> 
> On 02/07/2012 13:50, Marnus van Niekerk wrote:
>> Hi.  I am trying to use multi_host to eliminate the "controller" hosts as a single point of failure. 
>> 
>> I followed the steps at http://docs.openstack.org/essex/openstack-compute/admin/content/existing-ha-networking-options.html and added thse options to the end of nova.conf. Now the guests have no connectivity to the outside world at all. (Running on ubuntu 12.04 using packages.) 
>> 
>> Controller: 
>> --multi_host=True 
>> --enabled_apis=ec2,osapi_compute,osapi_volume,metadata 
>> 
>> Compute nodes: 
>> --multi_host=True 
>> --enabled_apis=metadata 
>> 
>> I also tried changing the routing_source_ip option on each compute node to it's own ip address but it makes no difference. 
>> --routing_source_ip=10.10.20.11X 
>> 
>> What am I missing? 
>> 
>> Tx 
>> Marnus van Niekerk 
> 
> 
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