Date: Tue, 20 Sep 2011 20:39:59 -0500 From: Brandon Gooch <jamesbrandongooch@gmail.com> To: Rafael NAVAZA <rnavaza@hotmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: OpenLDAP + CARP Message-ID: <CALBk6yKroxA6DocgERukE1nHK1Gvnc8KCw97i7UnsWKMiUgmGg@mail.gmail.com> In-Reply-To: <DUB102-W57786E3DD32C6528A794D0BE0A0@phx.gbl> References: <DUB102-W60312A9A530D84FC783777BE0B0@phx.gbl> <4E784905.1080007@infracaninophile.co.uk> <DUB102-W57786E3DD32C6528A794D0BE0A0@phx.gbl>
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On Tue, Sep 20, 2011 at 6:02 AM, Rafael NAVAZA <rnavaza@hotmail.com> wrote: > > Thank you for the reply Matthew. > > I'm indeed using the built in > failover capability of LDAP clients. It works just fine when the first > LDAP server is powered off, but it does not work that well when slapd > becomes a zombi ( because the clients take about 1 min to try the second > =A0LDAP server, for each request, every time ... ) > It is for that reason I'm interested in building a HA cluster for OpenLDA= P. > > I'm > =A0currently using the single-master replication and I will certainly mov= e > =A0to a mirrormode or a n-way multimaster replication schema (as long as > the multimaster is used with CARP, this mode is equivalent to a > mirrormode with more than 2 replicas, isn't it ?). > > As far as I > know CARP will not check if the slapd is running correctly; that could > be a problem if the CARP Master has a failing slapd. Do I have to > monitor slapd with a third party software (like Monit) ? Can I configure > =A0CARP and OpenLDAP to watch each other more closely ? > > Rafael. > Could this help in your situation? http://www.liquidx.net/blog/2006/04/03/nss_ldap-undocumented-nss_reconnect_= tries/ -Brandon
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