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lpi2:ldap-replica

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lpi2:ldap-replica [2012/01/19 13:08]
lpi2:ldap-replica [2012/01/19 13:08] (aktuell)
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 +====== Master/​Slave Replication ======
 +===== Konfiguration Master =====
 +
 +''/​etc/​ldap/​slapd.conf''​ :
 +<​file>​
 +moduleload ​     syncprov
 +
 +database bdb
 +suffix dc=villa,​dc=local
 +index objectclass,​entryCSN,​entryUUID eq
 +
 +overlay syncprov
 +syncprov-checkpoint 100 10
 +syncprov-sessionlog 100
 +
 +limits dn.exact="​cn=replicant,​ou=services,​dc=example,​dc=com" ​
 +        time=unlimited ​
 +        size=unlimited
 +access to *
 +        by cn=replicant,​ou=services,​dc=example,​dc=com read
 +        by none break
 +
 +</​file>​
 +
 +''​replicant.ldif''​ :
 +<​file>​
 +# replica, services, example.com
 +dn: cn=replicant,​ou=services,​dc=example,​dc=com
 +objectClass:​ organizationalRole
 +objectClass:​ top
 +objectClass:​ simpleSecurityObject
 +userPassword::​ e1NIQX04UWVNNjVTM3IvQjUzc3NWWSs4djRuK3hmN289
 +cn: replica
 +</​file>​
 +
 +===== Konfiguration Slave =====
 +  cd /​var/​lib/​ldap
 +  scp -r master:/​etc/​ldap/​. .
 +  rm -rf slapd.d
 +
 +''/​etc/​ldap/​slapd.conf''​ :
 +<​file>​
 +database xxx
 +
 +rootdn ​  "​cn=admin,​dc=example,​dc=com"​
 +syncrepl rid=100 ​
 +         ​provider=ldap://​ldap1.example.com ​
 +         ​searchbase=dc=example,​dc=com
 +         ​type=refreshAndPersist ​
 +         ​retry="​60 10 600 +"
 +         ​scope=sub
 +         ​bindmethod=simple
 +         ​binddn="​cn=replicant,​ou=services,​dc=example,​dc=com"​
 +         ​credentials="​replica"​
 +         
 +updateref ​      ​ldap://​ldap1.example.com
 +
 +</​file>​
 +
 +===== Server starten =====
 +Master:
 +  service slapd start
 +
 +Slave: ​
 +  service slapd stop
 +  rm -f /​var/​lib/​ldap/​*
 +  chown openldap:​openldap /​var/​lib/​ldap/​*
 +  service slapd start
 +
 +====== Master/​Slave Replication Teilbaum ======
 +''/​etc/​ldap/​slapd.conf''​ :
 +wie oben, aber syncrepl erweitert um:
 +<​file>​
 +         ​filter="​(|
 +             ​(objectclass=organization)
 +             ​(objectclass=organizationalunit)
 +             ​(objectclass=account)
 +         ​)"​
 +         ​attrs="​objectclass,​cn,​ou,​uid,​userpassword"​
 +         ​schemachecking=off
 +</​file>​
 +
 +====== Schreibbarer Slave ======
 +Schreiboperationen vom Slave an den Master weiterleiten
 +
 +''/​etc/​ldap/​slapd.conf''​ :
 +<​file>​
 +moduleload ​     back_ldap
 +overlay ​ chain
 +chain-uri "​ldap://​ldap1.example.com"​
 +chain-idassert-bind bindmethod="​simple"​
 +         ​binddn="​cn=admin,​dc=example,​dc=com"​
 +         ​credentials="​villa"​
 +         ​mode="​self"​
 +
 +chain-return-error ​        TRUE
 +chain-rebind-as-user ​      TRUE
 +</​file>​
 +
 +====== Konfiguration im DIT ======
 +''/​etc/​ldap/​slapd.conf''​ :
 +zum letzten mal hier, vor der ersten ''​database''​
 +<​file>​
 +database config
 +rootdn cn=admin,​cn=config
 +rootpw admin 
 +</​file>​
 +  mkdir slapd.d
 +  slaptest -f slapd.conf -F slapd.d
 +  chown -R openldap:​openldap slapd.d/
 +  slapcat -b cn=config | grep '​^dn'​
 +
 +====== Dokumentation ======
 +  * [[http://​www.openldap.org/​doc/​admin24/​syncrepl.html]]
 +  * man slapd.conf
 +  * Multi-Master Konfiguration:​ http://​www.openldap.org/​doc/​admin24/​replication.html#​N-Way%20Multi-Master und http://​ltb-project.org/​wiki/​documentation/​openldap-mmr
  
lpi2/ldap-replica.txt · Zuletzt geändert: 2012/01/19 13:08 (Externe Bearbeitung)