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From "James Strachan" <james.strac...@gmail.com>
Subject Re: Master/Slave question
Date Tue, 02 May 2006 12:18:26 GMT
Basically we don't have an automatic synchronisation policy yet to
allow you to take an old master thats been down back up as a new
master; for now you have to manually stop the master & slave & move
the slaves data files over to the master then restart the master.

On 5/2/06, Javier Leyba <xleyba@gmail.com> wrote:
> Jason
>
> I've asked the same some time ago and Rob told me the following:
>
> -----------
> master/slave doesn't handle this scenario - it is designed to provide
> a simple backup-support. When you wish to re-enable a master, you
> will need to ensure that the master is up to date with the slave -
> this is a manual process:
>
> 1. stop the slave
> 2. copy the data directories from the slave broker to the master.
> 3. re-start master then slave brokers.
> -------------------
>
> Hope this helps
>
> J
>
>
>
>
>
> On 5/2/06, Jason Dillon <Jason.Dillon@paybytouch.com> wrote:
> > In a Master/Slave configuration, if my master goes down, I see that
> > the Slave notices and starts accepting connections.
> >
> > But if I start up the Master again, I notice that the slave does not
> > transfer control back to the master.
> >
> > If for some reason my Master node goes down, clients are configured
> > to failover: to the client, and then operations restarts the
> > master... do I now have to restart all clients to get them back on
> > the master node, then restart the slave node to reestablish the
> > master/slave configuration?
> >
> > Ideally, I'd like if the master failed (say machine died due to power
> > loss or something), that the slave would take over until it realized
> > that the master was back on-line then resumed being a slave...
> > redirecting clients back to the master after it has synchronized up
> > the state between the two.
> >
> > Is anything like this possible?
>


--

James
-------
http://radio.weblogs.com/0112098/

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