Thanks,

When I turn off JGroups debug logs, it looks like both controllers try to 
exchange a message and then just hang (if I kill one of them, the other one 
will detect it resume action - i.e. go to "listening mode" - sorry my wording 
is not accurate). You can see this in the attached logs. 

I also tried to swich to appia. Both controllers wait in "ready, listening to 
requests" mode. They do not reach the "Checking virtual database configuration" 
stage. So I guess they do not see each other. 

For both JGroups and Appia, I used the default config files provided with 
Sequoia 2.10.2. From the docs,  I had gotten the idea that they were good to 
use. Did I miss something? Are some settings to be changed? 

Thank you in advance,
Lionel


----- Message d'origine ----
De : Nuno Carvalho <[EMAIL PROTECTED]>
À : Sequoia general mailing list <[email protected]>
Envoyé le : Lundi, 11 Décembre 2006, 16h10mn 02s
Objet : Re: [Sequoia] Controllers caught in a loop when "Checking virtual 
database configuration" from each other

Hi,

it seems that jgroups is sending messages, but they are not delivered to hedera 
in the other controller.
It is not exactly a loop, it is just jgroups exchanging control messages. You 
could turn off the jgroups debug and see if hedera is able to exchange 
messages. Did you tried using Appia?


Cheers,
nuno

On Dec 11, 2006, at 2:49 , Lionel Capiez wrote:

Hi all,

I have a config with 2 controllers hosting 1 virtual database, set in RAIDb-1 
with two backends - one on each controller.

When I start both controllers (#2 is started once #1 is "ready, listening to 
requests"), they manage to "see" each other but they get caught in a loop when 
"Checking virtual database configuration" from each other.

I read of a similar issue in the list, but with no definite answer:
https://forge.continuent.org/pipermail/sequoia/2006-April/001671.html

I attached an excerpt from the logs from the point where both clusters check 
the vdb config until the logs showed the pattern of a loop. 
controller #1 is 192.168.137.91 (full_cluster_91.log)
controller #2 is 192.168.137.161 (full_cluster_161.log)

Do you have an idea of what may be going on?

Thank you in advance,
Lionel








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internautes sur Yahoo! Questions/Réponses.<full_cluster_91.log>
<full_cluster_161.log>
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--
Nuno Carvalho
University of Lisbon, Portugal
http://dialnp.di.fc.ul.pt



 


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