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From jdemic <john.de...@gmail.com>
Subject Re: ActiveMQ and Linux NFS
Date Wed, 05 Sep 2007 21:41:53 GMT

to further respond to my own posts,

just tried to get mysql masterslave going and ran into this bug:

http://www.nabble.com/Master-Slave-locking-with-MYSQL-is-not-working-with-4.1.1-tf3399897s2354.html#a9475786

is there any way to get redundancy working with 4.1.1??



jdemic wrote:
> 
> To further complicate this, I just tested failover and the following
> happened:
> 
> - i kill -9'd activemq on the master server.
> - on the slave server, activemq was still spinning on the filesystem lock
> as per my last email.
> - when i started up the master again, it started spinning on the
> filesystem lock and no broker was active.  
> - deleting the data directory from the nfs mount and restarting activemq
> on the master allowed me to restart the master.
> 
> My configurations follow.  I would appreciate if someone on the activemq
> team could get back to me, this is the second clustering option i've now
> tried that didn't work.  The first such issue was posted here:
> http://www.nabble.com/Slaving-issue-on-4.1.1-tf4255212s2354.html#a12110238
> again w/o any response.  
> 
> thx,
> -jd
> master:
> <beans>
> 
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
> 
>   <broker brokerName="localhost" useJmx="false"
> xmlns="http://activemq.org/config/1.0">
> 
>     <persistenceAdapter>
>         <journaledJDBC dataDirectory="/network/activemq"/>
>     </persistenceAdapter>
> 
>     <transportConnectors>
>        <transportConnector name="openwire" uri="tcp://localhost:61616"
> discoveryUri="multi
> cast://default"/>
>     </transportConnectors>
> 
>   </broker>
> </beans>
> 
> slave:
> 
> <beans>
> 
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
> 
>   <broker brokerName="slave" useJmx="false"
> xmlns="http://activemq.org/config/1.0">
> 
>     <persistenceAdapter>
>         <journaledJDBC dataDirectory="/network/activemq"/>
>     </persistenceAdapter>
> 
>     <transportConnectors>
>        <transportConnector name="openwire" uri="tcp://localhost:61616"
> discoveryUri="multi
> cast://default"/>
>     </transportConnectors>
> 
>   </broker>
> </beans>
> 
> jdemic wrote:
>> 
>> Hey All,
>> 
>> I'm attempting to setup activemq in a master/slave configuration as
>> follows:
>> 
>> http://activemq.apache.org/shared-file-system-master-slave.html
>> 
>> I'm setting this up ontop of redhat es3 using the shared journal on an
>> NFS mount.  When i start the slave, the following occurs:
>> 
>> faultPersistenceAdapterFactory - Journal i locked... waiting 10 seconds
>> for the journal to be unlocked.
>> 
>> This seems like the appopriate behavior (ie, the slave is spinning on the
>> lock waiting for it to be released.)  The issue is, however, that
>> activemq exits after an hour and a half of so of attempting this.  I'm
>> not sure if the issue is due to some interaction between java and nfs
>> locking or an issue with activemq.  Curious if anyone else has
>> experienced this.
>> 
>> Thanks,
>> -jd
>> 
> 
> 

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View this message in context: http://www.nabble.com/ActiveMQ-and-Linux-NFS-tf4384669s2354.html#a12511594
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