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From artnaseef <...@artnaseef.com>
Subject Re: Relocated broker loses all durable subscriptions
Date Sun, 06 Apr 2014 03:32:32 GMT
Did I misread the statement that no files were copied?  The kahadb/leveldb was left intact
then?

If so, the durable subs should remain. Just as they would for a normal broker restart.

Sent from my iPhone

> On Apr 5, 2014, at 10:19 AM, "paulgale [via ActiveMQ]" <ml-node+s2283324n4680089h7@n4.nabble.com>
wrote:
> 
> >Without the store, it has no way to remember anything across restarts that 
> is not in the configuration files. 
> Understood. 
> 
> However, the two broker instances referenced the SAME message store (not 
> concurrently) which they each mounted over NFS. 
> 
> Thanks, 
> Paul 
> 
> 
> 
> On Sat, Apr 5, 2014 at 9:55 AM, artnaseef <[hidden email]> wrote: 
> 
> > The durable subs are recorded in activemq's only persistent store. Without 
> > the store, it has no way to remember anything across restarts that is not 
> > in the configuration files. 
> > 
> > Sent from my iPhone 
> > 
> > > On Apr 4, 2014, at 11:28 PM, "paulgale [via ActiveMQ]" < 
> > [hidden email]> wrote: 
> > > 
> > > Hi, 
> > > 
> > > ActiveMQ 5.8.0 on RHEL 6.1. 
> > > 
> > > We recently moved an existing broker to a new server. It was really a 
> > logic 
> > > move; the old broker was shutdown completely and a new one installed from 
> > > scratch on another server without copying any  files from the old broker. 
> > > Essentially the new broker was the same as the old broker but with a 
> > > different IP address. 
> > > 
> > > The new broker uses the existing message store mounted over NFS. 
> > > 
> > > However, after the new broker came up all the durable topic subscriptions 
> > > that should have appeared in the web console were gone. 
> > > 
> > > Is it conceivable that changing a broker's IP address could cause it to 
> > not 
> > > recognize its durable subscriptions when restarted? Is this a bug or a 
> > > limitation? 
> > > 
> > > Presumably the new broker must have erased them as they did not reappear 
> > > when the new broker was shutdown and the old one restarted. 
> > > 
> > > Thanks, 
> > > Paul 
> > > 
> > > 
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> > 
> > 
> > 
> > 
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