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From Johan Edstrom <>
Subject Re: Failover problem
Date Wed, 15 Sep 2010 05:09:20 GMT
How did you setup failover?
Did you test that the brokers actually lock on either a file/memory/db-table?

Visually - the DB setup is the easiest to see, you'll see a table lock in effect on the slave
and that it is not starting.

Are you possibly confusing persistence with HA?
The two while useful together are not the same.


1 : - You want to test and setup Master/Slave
2 : - You want to investigate persistence, - this is not clustering, it is per broker save
to a media.

Then you want to match this to your client / usage topology and see if it is enough to meet
your needs.
If it is not and you want more "brokers" you want to look at a network of brokers.


On Sep 14, 2010, at 11:01 PM, activeMqUser wrote:

> Hi Johan,
> i have set up the clients for fail over as i mentioned in the previous posts
> even though i am not sure if i have done it correctly as i am very much a
> new user of ActiveMQ. I have posted the network configuration info and some
> log info also which shows the Main Broker is successfully connecting to one
> of other two Broker on start up and the bridge is successfully established
> between the Brokers in my previous request. Is there anything else i need to
> do? If yes please let me know about that.
> -- 
> View this message in context:
> Sent from the ActiveMQ - User mailing list archive at

Johan Edstrom

They that can give up essential liberty to purchase a little temporary safety, deserve neither
liberty nor safety.

Benjamin Franklin, Historical Review of Pennsylvania, 1759

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