RE: (ITS#4551) refreshOnly fails if provider is ever unreachable

[darren.gamble@sjrb.ca]

Good day,

My apologies- I did not see that this parameter existed in the man page.
It's new to 2.3, as well.

============================
Darren Gamble
Planner, Regional Services
Shaw Cablesystems GP
630 - 3rd Avenue SW
Calgary, Alberta, Canada
T2P 4L4
(403) 781-4948
 

> -----Original Message-----
> From: Howard Chu [mailto:hyc@symas.com]
> Sent: Tuesday, May 16, 2006 5:13 PM
> To: Darren Gamble
> Cc: openldap-its@OpenLDAP.org
> Subject: Re: (ITS#4551) refreshOnly fails if provider is ever
unreachable
> 
> See the "retry" keyword in the slapd.conf(5) syncrepl documentation.
> There is no bug here, this ITS will be closed.
> 
> Darren.Gamble@sjrb.ca wrote:
> > Full_Name: Darren Gamble
> > Version: 2.3.20
> > OS: Linux (CentOS4)
> > URL:
> > Submission from: (NULL) (204.209.209.129)
> >
> >
> > Good day,
> >
> > We are evaluating OpenLDAP for our use, and have two machines
configured
> with
> > OpenLDAP 2.3.20 (CentOS4).  One machine is i386, which is a
provider,
> and the
> > other is x86_64, which is a consumer.  We are testing refreshOnly as
the
> > replication type.
> >
> > We have set up both servers without much trouble, loaded data, and
> confirmed
> > that replication works as expected when the consumer comes up, and
when
> we
> > change data.
> >
> > But, when we simulated network problems, we were able to break
> replication
> > fairly easily.
> >
> > If the consumer is ever unavailable (slapd is not running, or if the
> host is not
> > reachable), then the consumer will log the failure ("do_syncrep1:
> > ldap_sasl_bind_s failed (-1)") but never, ever try again.
Replication
> will be
> > broken until someone manually restarts the consumer's slapd
(assuming
> the
> > provider is available at that time, of course).  If this is done,
then
> the
> > consumer will resync again right away, and seems to work until the
next
> problem
> > occurs.
> >
> > Here's the syncrepl config section (low interval for testing
purposes):
> >
> > syncrepl rid=123
> >         provider=ldap://A.B.C.D:389
> >         type=refreshOnly
> >         interval=00:00:05:00
> >         searchbase="o=Shaw Cablesystems,c=CA"
> >         scope=sub
> >         schemachecking=on
> >         updatedn="cn=consumeradmin,o=Shaw Cablesystems,c=CA"
> >         bindmethod=simple
> >         binddn="cn=readuser,o=Shaw Cablesystems,c=CA"
> >         credentials=xxxxxxx
> >
> > Please let us know if you need any more information.  Thanks!
> >
> >
> >
> 
> 
> --
>   -- Howard Chu
>   Chief Architect, Symas Corp.  http://www.symas.com
>   Director, Highland Sun        http://highlandsun.com/hyc
>   OpenLDAP Core Team            http://www.openldap.org/project/