[Csync2] Question about Csync2 usage

[Joschi Brauchle]

Hello,

well, yes, I do have a master-master setup. I did not post my full 
config file here because it contains a lot of include lines, but in 
essence it is very simple:
------
group ha_group
{
         host pollux;
         host castor;
	
	key ......;

	include ....;
	...
}
------

I do have the mentioned behavior quite often actually. It gets annoying, 
because I am using a logout-script to check that both hosts are in sync. 
Then, although I use 'csync2 -x', they are not getting synched correctly.

The package installed is:
------
Information for package csync2:

Repository: SLE11-HAE-SP1-Pool
Name: csync2
Version: 1.34-0.2.39
Arch: x86_64
Vendor: SUSE LINUX Products GmbH, Nuernberg, Germany
Support Level: unknown
Installed: Yes
Status: up-to-date
------
So there seem to be no updates...

As I said, this happens mostly if files are created/deleted on one host 
and which have not been synched before (and not explicitly mentioned in 
the cfg file). I will try to narrow down the problem and report in more 
detail whenever I get some time to debug the issue.

Best regards,
Joschi Brauchle


On 11/10/2011 11:53 AM, Samba wrote:
>
> It depends on the way you mentioned your hosts in the configuration file:
>
> Master-Slave:
>
> nossl * *;
> group web
> {
>          host master;
>          host (slave1);
>          host (slave2);
>          key /etc/csync2/csync2.key;
>          include /home/sites;
>          exclude *~ .*;
>          auto none;
> }
>
>
> Master-Master
>
> nossl * *;
> group web
> {
>          host master1;
>          host master2;
>          host master3;
>          key /etc/csync2/csync2.key;
>          include /home/sites;
>          exclude *~ .*;
>          auto none;
> }
>
>
> Note that the host entries for slave servers are enclosed in brackets
> and masters are not.
>
> In order to have a two or multi-way sync, you need to configure a
> master-master setup.
>
> Regards,
> Samba
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
> On Thu, Nov 10, 2011 at 3:01 PM, Joschi Brauchle <joschi.brauchle at tum.de
> <mailto:joschi.brauchle at tum.de>> wrote:
>
>     Hello everyone,
>
>     I have a question about csync2 usage:
>
>     I have the following in my csync2.cfg:
>     ---
>     include /etc/cron.*/;
>     ---
>
>     and 'csync -T' shows on node pollux:
>     ---
>     R pollux castor /etc/cron.d/dmeventd.rpmsave
>     ---
>
>     but 'csync -xvvv' does not seem to sync the changes on node pollux,
>     the mentioned file is not listed in its output anywhere. If I log
>     into castor and do a 'csync2 -x' there, thing get back in sync. I do
>     notice this behaviour quite frequently, mostly with files that are
>     created/deleted on one side.
>
>     But is this really the way this is supposed to work? Shouldn't I be
>     able to sync changes from both hosts in both ways?
>
>     Any help is appreciated!
>     --
>     Dipl.-Ing. Joschi Brauchle, M.Sc.
>
>     Institute for Communications Engineering (LNT)
>     Technische Universitaet Muenchen (TUM)
>     80290 Munich, Germany
>
>     Tel (work): +49 89 289-23474 <tel:%2B49%2089%20289-23474>
>     Fax (work): +49 89 289-23490 <tel:%2B49%2089%20289-23490>
>     E-mail: joschi.brauchle at tum.de <mailto:joschi.brauchle at tum.de>
>     Web: http://www.lnt.ei.tum.de/
>
>
>     _______________________________________________
>     Csync2 mailing list
>     Csync2 at lists.linbit.com <mailto:Csync2 at lists.linbit.com>
>     http://lists.linbit.com/mailman/listinfo/csync2
>
>

-- 
Dipl.-Ing. Joschi Brauchle, M.Sc.

Institute for Communications Engineering (LNT)
Technische Universitaet Muenchen (TUM)
80290 Munich, Germany

Tel (work): +49 89 289-23474
Fax (work): +49 89 289-23490
E-mail: joschi.brauchle at tum.de
Web: http://www.lnt.ei.tum.de/

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