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From Christian Schneider <>
Subject Slaves starting while master still running
Date Mon, 27 Jun 2016 09:03:34 GMT
We use the file based locking for a master/slave setup of activemq with 
NFSv4 as filer for the kahadb.

We recently had a production problem where slaves were booting up while 
the master was still running.
The lock file was still present but I assume that the nfs lock was 
somehow lost.

Does anyone know in what circumstances this can happen and how to 
diagnose and ideally avoid it?


Christian Schneider

Open Source Architect

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