Hi Damien,
AFAIK, Amazon EC2 does not support UDP multicast. You will have to use a
TCP configuration of JGroups for the GMS (group membership) to work.
Hope this helps,
Emmanuel
> I am playing with Sequoia for a couple of days now and I reach to have a
> complete chain working from php to 2 mysql databases working via myosotis
> and sequoia.
>
> Now 2nd round ... use 2 controllers.
>
> So I build a second VM with the same configuration of sequoia that my
> first working one.
>
> it work again perfectly alone.
>
> No I try to make theme communicate as peer controllers.
>
> I add the
> "<Distribution>
> <MessageTimeouts/>
> </Distribution>"
> section in my virtualdatabase configuration file.
> I rename the config/sequencer.xml and modify the hedera_jgroups.properties
> in consequences (in order to avoid the use of the sequencer.xml present in
> the jgroups jar file).
>
> the controllers start without problem. But ...
>
> The can't see them each other so on the 2 controllers I obtain :
> myDB(admin) > show controllers
> 14:34:58,423 INFO controller.virtualdatabase.myDB
> Member(address=/10.x.x.x:32781, uid=myDB) see
> members:[Member(address=/10.x.x.x:32781, uid=myDB)] and has
> mapping:{Member(address=/10.x.x.x:32781, uid=myDB)=10.x.x.x:1090}
> myDB is hosted by 1 controller(s):
> 10.226.71.175:1090
>
>
> How does they discover themselves ? can I precise it ?
>
> I precise that I use 3 Amazon EC2 instances (virtual machines) for my
> tests : 2 for db/controllers and 1 front (php)
> So there are not on the same LAN I suppose.
>
> Thanks for your help in advance
>
> Best regards,
>
>
--
Emmanuel Cecchet
FTO @ Frog Thinker
Open Source Development & Consulting
--
Web: http://www.frogthinker.org
email: m...@frogthinker.org
Skype: emmanuel_cecchet
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