Re: syncprov_db_open: invalid config, lastmod must be enabled

[Dieter KlÃnter <dieter@dkluenter.de>]

Am Mon, 16 Jan 2012 11:03:25 +0100
schrieb "Angel L. Mateo" <amateo@um.es>:

> Hi,
> 
> 	I'm trying to configure chain overlay in a ldap replica
> consumer. My final purpose is that if this node receives an update,
> it directly tries to make it in the provider node, instead of
> returning the referrral. Is that possible? I think so...
> 
> 	But I have a problem with the configuration. My config is
> 
> ...
> moduleload      back_ldap
> moduleload      syncprov
> ...
> database	hdb
> suffix		dc=<mysuffix>
> ...
> overlay		syncprov
> 
> syncrepl       rid=31
>                 provider="ldap://<provider>"
>                 binddn="<replica user dn>"
>                 bindmethod=simple
>                 credentials=<password>
>                 searchbase="dc=<mysuffix>"
>                 type=refreshAndPersist
>                 interval=00:00:00:10
>                 retry="5 5 300 +"
>                 timeout=1
> 
> overlay		chain
> chain-max-depth 1
> chain-return-error true
> 
> chain-uri ldap://<provider>
> chain-rebind-as-user yes
> chain-idassert-bind bindmethod=simple
>          binddn=<replica user dn>
>          credentials=<password>
>          starttls=no
>          mode="self"
> 
> 	But when I test configuration with slaptest, I get:
> 
> root@canis32:/etc/ldap# slaptest -f /etc/ldap/slapd.conf
> syncprov_db_open: invalid config, lastmod must be enabled
> backend_startup_one (type=hdb, suffix="<mysuffix>"): bi_db_open
> failed! (-1) slap_startup failed (test would succeed using the -u
> switch)
> 
> 	and I can't run slapd. Any idea?
> 
> 	I'm running slapd 2.4.21 (ubuntu lucid package)
> 

The chain overlay has to be configured in the global part, prior to any
database declaration.

-Dieter

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Dieter KlÃnter | Systemberatung
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