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RE: multimaster configuration of openldap-2.0.25

To: <Olle.Westman@astrazeneca.com>, <openldap-software@OpenLDAP.org>
Subject: RE: multimaster configuration of openldap-2.0.25
From: "Howard Chu" <hyc@symas.com>
Date: Fri, 30 Aug 2002 01:34:27 -0700
Importance: Normal
In-reply-to: <9F028CC77827D611ACEE0002A5F12F075022AA@semldsntmsx208.seml.astrazeneca.net>
You asked this question before, and you already got the correct answers.
http://www.openldap.org/lists/openldap-software/200208/msg00597.html

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc
  Symas: Premier OpenSource Development and Support

> -----Original Message-----
> From: owner-openldap-software@OpenLDAP.org
> [mailto:owner-openldap-software@OpenLDAP.org]On Behalf Of
> Olle.Westman@astrazeneca.com

> Hello All,
>
> I'm trying to compile OpenLDAP-2.0.25 with multimaster support. I have two
> servers which i want to act as masters,
> updating each other, whoever gets and update request (mirror)
> Right now, i've compiled OpenLDAP-2.0.25 by runnning configure like this:
>
> ./configure --enable-slapd --enable-slurpd --enable-multimaster
> --enable-crypt --enable-debug --prefix=/usr/freeware
>
> The trouble is that the openldap (master)servers never stop updating each
> other.
>
> I have not used a replicator dn. Is this necessary? Is it wrong to update
> with the rootdn?
>
> There is SLAPD_MULTIMASTER definitions in the code, do i have to define it
> manually or is this taken care of by --enable-multimaster?
>
> I have not used updateref or referral. Are they necessary in this setup?
>
> What am I missing, and what is necessary to add/modify to make this setup
> work?
>
> My slapd.conf config files look like the following:
>
> Server 1:
>
> # $OpenLDAP: pkg/ldap/servers/slapd/slapd.conf,v 1.8.8.7
> 2001/09/27 20:00:31
> kur
> t Exp $
> #
> # See slapd.conf(5) for details on configuration options.
> # This file should NOT be world readable.
> #
> include         /usr/freeware/etc/openldap/schema/core.schema
> include         /usr/freeware/etc/openldap/schema/cosine.schema
> include         /usr/freeware/etc/openldap/schema/nis.schema
> include         /usr/freeware/etc/openldap/schema/inetorgperson.schema
> include         /usr/freeware/etc/openldap/schema/misc.schema
>
> # Define global ACLs to disable default read access.
>
> # Do not enable referrals until AFTER you have a working directory
> # service AND an understanding of referrals.
> #referral       ldap://root.openldap.org
>
> pidfile         /usr/freeware/var/slapd.pid
> argsfile        /usr/freeware/var/slapd.args
>
> # Load dynamic backend modules:
> # modulepath    /usr/freeware/libexec/openldap
> # moduleload    back_ldap.la
> # moduleload    back_ldbm.la
> # moduleload    back_passwd.la
> # moduleload    back_shell.la
>
> #
> # Sample Access Control
> #       Allow read access of root DSE
> #       Allow self write access
> #       Allow authenticated users read access
> #       Allow anonymous users to authenticate
> #
> #access to dn="" by * read
> #defaultaccess write
> access to attr=userPassword
>         by self write
> #       by anonymous auth
>         by dn="cn=Manager,dc=my-domain,dc=com" write
>         by * none
> access to *
>         by self write
> #       by anonymous auth
>         by dn="cn=Manager,dc=my-domain,dc=com" write
>         by * read
>
> #access to *
> #       by self write
> #       by users read
> #       by anonymous auth
> #
> # if no access controls are present, the default is:
> #       Allow read by all
> #
> # rootdn can always write!
>
> #######################################################################
> # ldbm database definitions
> #######################################################################
>
> database        ldbm
> suffix          "dc=my-domain,dc=com"
> #suffix         "o=My Organization Name,c=US"
> rootdn          "cn=Manager,dc=my-domain,dc=com"
> #rootdn         "cn=Manager,o=My Organization Name,c=US"
> # Cleartext passwords, especially for the rootdn, should
> # be avoid.  See slappasswd(8) and slapd.conf(5) for details.
> # Use of strong authentication encouraged.
> rootpw          secret
> # The database directory MUST exist prior to running slapd AND
> # should only be accessible by the slapd/tools. Mode 700 recommended.
> directory       /usr/freeware/var/openldap-ldbm
> # Indices to maintain
> index   objectClass     eq
>
> password-hash {CRYPT}
>
> #########################################################################
> # replication definitions
> #########################################################################
> replica host=serv-2.company.net:389
> binddn="cn=Manager1,dc=my-domain,dc=com"
> bindmethod=simple credentials=secret
> updatedn "cn=Manager,dc=my-domain,dc=com"
> replogfile /tmp/replog-1.log
>
>
> Server 2:
>
> # $OpenLDAP: pkg/ldap/servers/slapd/slapd.conf,v 1.8.8.7
> 2001/09/27 20:00:31
> kurt Exp $
> #
> # See slapd.conf(5) for details on configuration options.
> # This file should NOT be world readable.
> #
> include         /usr/freeware/etc/openldap/schema/core.schema
> include         /usr/freeware/etc/openldap/schema/cosine.schema
> include         /usr/freeware/etc/openldap/schema/nis.schema
> include         /usr/freeware/etc/openldap/schema/inetorgperson.schema
> include         /usr/freeware/etc/openldap/schema/misc.schema
>
> # Define global ACLs to disable default read access.
>
> # Do not enable referrals until AFTER you have a working directory
> # service AND an understanding of referrals.
> #referral       ldap://root.openldap.org
>
> pidfile         /usr/freeware/var/slapd.pid
> argsfile        /usr/freeware/var/slapd.args
>
> # Load dynamic backend modules:
> # modulepath    /usr/freeware/libexec/openldap
> # moduleload    back_ldap.la
> # moduleload    back_ldbm.la
> # moduleload    back_passwd.la
> # moduleload    back_shell.la
>
> #
> # Sample Access Control
> #       Allow read access of root DSE
> #       Allow self write access
> #       Allow authenticated users read access
> #       Allow anonymous users to authenticate
> #
> #access to dn="" by * read
> #defaultaccess write
> access to attr=userPassword
>         by self write
> #       by anonymous auth
>         by dn="cn=Manager1,dc=my-domain,dc=com" write
>         by * none
> access to *
>         by self write
> #       by anonymous auth
>         by dn="cn=Manager1,dc=my-domain,dc=com" write
>         by * read
> #
> # if no access controls are present, the default is:
> #       Allow read by all
> #
> # rootdn can always write!
>
> #######################################################################
> # ldbm database definitions
> #######################################################################
>
> database        ldbm
> suffix          "dc=my-domain,dc=com"
> #suffix         "o=My Organization Name,c=US"
> rootdn          "cn=Manager1,dc=my-domain,dc=com"
> #rootdn         "cn=Manager,o=My Organization Name,c=US"
> # Cleartext passwords, especially for the rootdn, should
> # be avoid.  See slappasswd(8) and slapd.conf(5) for details.
> # Use of strong authentication encouraged.
> rootpw          secret
> # The database directory MUST exist prior to running slapd AND
> # should only be accessible by the slapd/tools. Mode 700 recommended.
> directory       /usr/freeware/var/openldap-ldbm
> # Indices to maintain
> index   objectClass     eq
>
> password-hash {CRYPT}
>
> #########################################################################
> # replication definitions
> #########################################################################
> replica host=serv-1.company.net:389 binddn="cn=Manager,dc=my-domain,dc=com"
> bindmethod=simple credentials=secret
> updatedn "cn=Manager1,dc=my-domain,dc=com"
> replogfile /tmp/replog-2.log
>
>
References:
- multimaster configuration of openldap-2.0.25
  - From: Olle.Westman@astrazeneca.com
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