[389-users] Strange replication error

[Rich Megginson]

Dumbo Q wrote:
> I have 2 servers setup for MMR. It seemed to be working fine (although 
> I've only had it running for a few hours).  Today I installed a new 
> SSL certificate on both servers.  They both came back up fine, and SSL 
> is working perfectly.
>
> However I noticed that replication has stopped.  Here is the error 
> message that I am getting.  I've looked around and can't find any 
> information about it.  I imagine I could probably reinitialize, but I 
> would really like to know what went wrong.
>
>
>
> [10/Jul/2009:11:22:13 -0400] - CentOS-Directory/8.1.0 B2009.134.1334 
> starting up
> [10/Jul/2009:11:22:13 -0400] - I'm resizing my cache now...cache was 
> 20000000 and is now 8000000
> [10/Jul/2009:11:22:13 -0400] - skipping cos definition 
> cn=nsAccountInactivation_cos,dc=mydomain,dc=com--no templates found
> [10/Jul/2009:11:22:13 -0400] - _csngen_parse_state: replica id 
> mismatch; current id - 1, replica id in the state - 65535
The only thing that changed is the SSL certificate?  Because this error 
appears to be caused by some really weird configuration problem, as if 
you replaced a working replication configuration with something else.
> [10/Jul/2009:11:22:13 -0400] NSMMReplicationPlugin - 
> _replica_init_from_config: failed to create csn generator for replica 
> (cn=replica,cn=\22dc=mydomain, dc=com\22,cn=mapping tree,cn=config)
Same as agove.
> [10/Jul/2009:11:22:13 -0400] NSMMReplicationPlugin - Unable to 
> configure replica dc=mydomain, dc=com: failed to create csn generator 
> for replica (cn=replica,cn=\22dc=mydomain, dc=com\22,cn=mapping 
> tree,cn=config)
Same as above.
> [10/Jul/2009:11:22:13 -0400] - skipping cos definition 
> cn=nsAccountInactivation_cos,dc=mydomain,dc=com--no templates found
> [10/Jul/2009:11:22:13 -0400] - slapd started.  Listening on All 
> Interfaces port 389 for LDAP requests
> [10/Jul/2009:11:22:13 -0400] - Listening on All Interfaces port 636 
> for LDAPS requests
> [10/Jul/2009:12:08:52 -0400] NSMMReplicationPlugin - conn=18 op=3 
> replica="unknown": Unable to acquire replica: error: no such replica
I have no idea what happened - I've never seen this before.  I'm not 
really sure what you can do except to just start over.  You'll have to 
shutdown the servers, remove all cn=replica entries and their children 
from cn=config (by editing dse.ldif with a text editor - be sure to make 
a backup first), then start up the servers, then configure replication 
from scratch.
>
>
> ------------------------------------------------------------------------
>
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