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Re: High availability

Buchan Milne wrote:
On Tuesday 14 August 2007 08:42:38 Taymour A. El Erian wrote:
Buchan Milne wrote:
Or any clustering system using shared storage. For example, I have a
cluster running RHEL3 with Red Hat Cluster Suite on (shared)
Fibre-attached storage.

In the end, there isn't that much that is specific to OpenLDAP (e.g. most
clustering solutions provide support for MySQL, the only difference is
which init script the clustering middleware uses to start/stop the
Have you tried RH cluster suite with OpenLDAP, I couldn't find any
documentation for that.

I haven't "tried" it, I currently run it in production on one cluster on RHEL3 (and previously have done so on RHEL 2.1 AS).

The documentation for RHCS covers sufficiently the requirements for running any service under RHCS (unfortunately the init script in the RH openldap packages doesn't use the right exit codes for best operation with RHCS ... and that was one of the original reasons I built my own packages - see http://staff.telkomsa.net/packages/ ).

If you have *specific* questions, please ask, but this isn't the right forum to discuss the use of clustering middleware.


I want to make this more available, I have a DR site and I would like to have an LDAP server running getting all the updates from the primary site. This DR LDAP will be active in case the primary site is down and will accept read/write operations.

What do you think ?

-- Taymour A El Erian System Division Manager RHCE, LPIC, CCNA, MCSE, CNA TE Data E-mail: taymour.elerian@tedata.net Web: www.tedata.net Tel: +(202)-33320700 Fax: +(202)-33320800 Ext: 1101