Re: How to debug single object syncrepl failure

[Dieter Klünter <dieter@dkluenter.de>]

Am Fri, 13 Feb 2015 09:42:22 +1100
schrieb Geoff Crompton <geoffc@trinity.unimelb.edu.au>:

> Hi,
> 
> I have a particular object in my LDAP database that is failing to 
> replicate (using syncrepl between two slapd's running 2.4.31-1+nmu2
> on Debian Wheezy), despite other objects succeeding to replicate. I'm
> not using a 'filter' configuration in my olcSyncrepl configuration
> that might exclude this particular object, and I've checked that the
> binddn I'm using has permission to see this object all the attributes
> of the object that isn't replicating.
> 
> The (sanitised) configuration on the consumer is:
> 
> dn: olcDatabase={1}hdb,cn=config
> olcSyncrepl: {0}rid=104 provider=ldap://producer.example.com 
> bindmethod=simple
> binddn="uid=replicator,ou=pseudoaccounts,dc=example,dc=com" 
> credentials="..."
> searchbase="dc=example,dc=com" logbase="cn=accesslog" logfilter="(&
> (objectClass=auditWriteObject)(reqResult=0))" schemachecking=off 
> type=refreshAndPersist
> retry="60 +" syncdata=accesslog starttls=critical tls_reqcert=demand
> 
> 
> On the producer the overlay configuration for the database being 
> replicated is:
> 
> dn: olcOverlay={1}syncprov,olcDatabase={1}hdb,cn=config
> objectClass: olcOverlayConfig
> objectClass: olcSyncProvConfig
> olcOverlay: {1}syncprov
> olcSpCheckpoint: 100 600
> olcSpSessionlog: 100
> olcSpNoPresent: TRUE
> 
> 
> If I follow the sanitising I did in the above, then the failing
> object would be
> uid=replicationcheck,ou=pseudoaccounts,dc=example,dc=com, and a
> successfully replicated object would be
> uid=geoffc,ou=People,dc=example,dc=com.
> 
> I've stopped slapd on the consumer and deleted all the /var/lib/ldap/ 
> database files, to force re-replication. I get the same symptoms,
> this one object doesn't replicate, but lots of other objects do
> replicate.
> 
> Any tips on how to further debug this?

access rules? 
corrupted file system?
corrupted database?

Dieter

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