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From "Anuj Khandelwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-5540) KahaDB can't fail over to the slave if the master is unable to write to disk
Date Tue, 27 Jan 2015 14:43:34 GMT
Anuj Khandelwal created AMQ-5540:
------------------------------------

             Summary: KahaDB can't fail over to the slave if the master is unable to write
to disk
                 Key: AMQ-5540
                 URL: https://issues.apache.org/jira/browse/AMQ-5540
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker, Message Store
    Affects Versions: 5.10.0
         Environment: Using Master-slave topology with shared kahadb. 
Using KahaDB on NFS. 
            Reporter: Anuj Khandelwal


This is coming from http://activemq.2283324.n4.nabble.com/kahadb-corruption-quot-Checkpoint-failed-java-io-IOException-Input-output-error-quot-td4690378.html#a4690442
. 

KahaDB can't fail over to the slave if the master is unable to write to disk when it shuts
down (because it couldn't write to disk). KahaDB should be able to detect such failures and
allow slave broker to acquire the lock.

Thanks,
Anuj








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