Hi Chen-Che.

Well, the logs do not lie :) - a transition to state 4 means an ACK was received - so dialog was loaded from DB (during the db sync) in state 3 (200ok without ACK) and was switched to 4 in the B server (when ACK was received) - otherwise the logs does not match with what you are saying.

Regarding crashes - if you have something like that, please post a backtrace.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com


On 04/16/2013 02:56 PM, microx wrote:
Hi Bogdan-Andrei,

Thanks for your comment. In my test, no ACK is sent to the OpenSIPS server
during/after failover. Sometimes proxy server B goes down (but
/var/run/opensips/opensips.pid exists) after the above query error occurs.
If required, I can provide the core dump for your reference. Many thanks for
your help.

Best wishes,
Chen-Che



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