OpenLDAP + CARP
m.seaman at infracaninophile.co.uk
Tue Sep 20 08:04:33 UTC 2011
On 19/09/2011 15:54, Rafael NAVAZA wrote:
> Is there a way to setup an OpenLDAP HA cluster (intersite multimaster) with CARP on FreeBSD ?
Hmmm... So long as both the LDAP servers are on the same network
segment, and so long as they have separate addresses for their
replication channel, then I can't see why that wouldn't work.
However, LDAP, by its nature has a failover capability built in. You
can just list several LDAP servers in your ldap.conf and each will be
tried in turn until you get an answer. Or put a comma separated list of
several servers into a ldap:/// or ldaps:/// style URI.
There's also a way you can use SRV records with LDAP -- that gives you
weighted load distribution over a number of servers. See RFC 3088.
Note that not all LDAP clients support this, and its still only an
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
JID: matthew at infracaninophile.co.uk Kent, CT11 9PW
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