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RE: Problem recover replica



Hello agin,

Is there any option to check the integrity of the replica information? I mean, some command or script to run and validate that Master and Replica have the same information.

Regards.

Manel Gimeno Zaragoza
magiza83@xxxxxxxxxxx



From: magiza83@xxxxxxxxxxx
To: brong@xxxxxxxxxxx
Subject: RE: Problem recover replica
Date: Thu, 2 Feb 2012 16:13:10 +0100
CC: info-cyrus@xxxxxxxxxxxxxxxxxxxx

> On Thu, Feb 02, 2012 at 01:11:24PM +0100, Manel Gimeno Zaragozá wrote:
>
> What version?

I'm running Cyrus 2.4.13.
>
> > Everything is working fine between Master & Replica until Replica goes down (maintenance or whatever). Once is down, in master there are still connections and modification. If I bring up Replica the changes made during the "blackout" are no fully transmitted to it. Some of the are transmitted, but not all.
> >
> > Which is the best way to resincronize the missing parts to Replica?
>
> sync_client -r -f $file for each file in the conf/sync/ directory.

I've been trying sync_client -r -f log-PID and it works. All the missing changes are applied 
without problem, I should do some script that controls this files and apply them.
anyway the log-PID is not deleted when its processed. I guess we should control the processed log-PIDs manually and move or delete them, am i right?

>
> > I was wordering to rsync imap folders (/var/spool/imap & /var/lib/imap), and It works fine in my test environment, but in produccion it could be GB to sincronize and I think this is not optimum.
>
> No, that's awful. Don't do that.
>
> > Other option was "sync_client -l -u <all_user>" but I'm guessing that in production I will have the same problem due to the amount of data to sincronize.
>
> It's not too bad. We run it occasionally if we suspect things have
> got confused for other reasons.
>
> > On the other hand, I have also doubts about how "sync_client -r" and "sync_server" are initiated. In my test machines I should run manually them each time I start cyrus-imapd, I though that it could be automatic one I start the service cyrus-imapd, but it is not.
>
> I have attached the script that we run. It has lots of hooks into
> our own systems of course.
>
> I would LIKE to make something more generic that's part of Cyrus
> itself, rather than having external tooling. Of course, our external
> tooling is a bit special-cased as well. But at least having a basic
> "keep trying to replicate all the records" would be good.
>
> Bron.

Thanks for the response.

Manel.

Manel Gimeno Zaragoza
magiza83@xxxxxxxxxxx



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