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Re: contextCSN attribute update on replication

To: Michael Ströder <michael@stroeder.com>
Subject: Re: contextCSN attribute update on replication
From: Óscar Remírez de Ganuza Satrústegui <oscarrdg@unav.es>
Date: Tue, 30 Aug 2016 08:30:40 +0200
Cc: openldap-technical@openldap.org
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On Fri, Aug 19, 2016 at 7:52 PM, Michael Ströder <michael@stroeder.com> wrote:

Óscar Remírez de Ganuza Satrústegui wrote:
> * We have adapted our nagios script so that it now checks both contextCSN
> and last modified entry's entryCSN values in order to know if slave
> replication is working ok.

How do you determine the "last modified entry's entryCSN values"?

We are using auditlog overlay [1], so we check that log to find the last entryCSN written on the database.

Not very efficient, so we just check it when contextCSN attributes on master and slave are not equal.

Regards,

[1] http://www.openldap.org/software/man.cgi?query=slapo-auditlog

Oscar Remírez de Ganuza Satrústegui
IT Services
Universidad de Navarra
Tel. +34 948425600 x803130
http://www.unav.edu/web/it/

References:
- contextCSN attribute update on replication
  - From: Óscar Remírez de Ganuza Satrústegui <oscarrdg@unav.es>
- Re: contextCSN attribute update on replication
  - From: Michael Ströder <michael@stroeder.com>
- Re: contextCSN attribute update on replication
  - From: Michael Ströder <michael@stroeder.com>
- Re: contextCSN attribute update on replication
  - From: Michael Ströder <michael@stroeder.com>
- Re: contextCSN attribute update on replication
  - From: Óscar Remírez de Ganuza Satrústegui <oscarrdg@unav.es>
- Re: contextCSN attribute update on replication
  - From: Michael Ströder <michael@stroeder.com>

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