--
Thank you,

Dmitri Chebotarov
VCL Sys Eng, Engineering & Architectural Support, TSD - Ent Servers & Messaging
223 Aquia Building, Ffx, MSN: 1B5
Phone: (703) 993-6175 | Fax: (703) 993-3404


> On Jan 7, 2015, at 12:52 , Daniel Dehennin <daniel.dehennin@baby-gnu.org> wrote:
> 
> Dmitri Chebotarov <dchebota@gmu.edu> writes:
> 
>> Hi, 
> 
> Hello,
> 
>> Does anyone run pacemaker/corosync cluster in VMs hosted on Opennebula?
>> Is it possible to share VIP?
>> 
>> With ARP cache poisoning feature enabled
>> (http://dev.opennebula.org/issues/2318) it's not possible to add
>> aliased VIPs to the cluster. Unless I manually run 'ovs-ofctl add-flow
>> br0 in_port=305,arp,dl_src=<MAC>,nw_src=<VIP>...' on the host.
>> 
>> The ARP poisoning block can be globally disabled in
>> /var/lib/one/remotes/vnm/OpenNebulaNetwork.conf, but is it possible to
>> selectively disable it for a specific VMs only.
> 
> There is a feature request to add multiple MAC or IP addresses[1] and
> another one to override configuration per networks[2].
> 
> Making it configurable per VM, so configurable by users, may be a little
> risky.
> 
> I prefer the solution of sharing reserved addresses.
> 
> Regards.
> 
> Footnotes: 
> 
> [1]  http://dev.opennebula.org/issues/2348
> 
> [2]  http://dev.opennebula.org/issues/3387
> 
> -- 
> Daniel Dehennin
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