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Duplicated replication with two databases (ITS#3228)
Full_Name: Andreas Hasenack
Version: 2.1.30
OS: Linux 2.6.x
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (200.140.247.99)
With the following setup (two databases), changes are sent twice to the slave
server. Obviously, the secont time the change is already there and a replication
error occurs.
MASTER
database bdb
subordinate
suffix "ou=Branch1,dc=my-domain,dc=com"
rootdn "cn=Manager,dc=my-domain,dc=com"
directory /var/lib/ldap-branch
index objectClass eq
access to attr=userPassword
by anonymous auth
by self write
by * none
access to attr=shadowLastChange
by self write
by * read
access to *
by * read
replica host=build-cl9.distro.conectiva tls=no
suffix="ou=Branch1,dc=my-domain,dc=com"
bindmethod=simple
binddn="uid=replicator,dc=my-domain,dc=com"
credentials="replicator"
replogfile /var/lib/replog/master-replog
database bdb
suffix "dc=my-domain,dc=com"
rootdn "cn=Manager,dc=my-domain,dc=com"
rootpw changethis
directory /var/lib/openldap-data
index objectClass eq
access to attr=userPassword
by anonymous auth
by self write
by * none
access to attr=shadowLastChange
by self write
by * read
access to *
by * read
replica host=build-cl9.distro.conectiva tls=no
suffix="dc=my-domain,dc=com"
bindmethod=simple
binddn="uid=replicator,dc=my-domain,dc=com"
credentials="replicator"
replogfile /var/lib/replog/master-replog
I added a "description" attribute under the "uid=replicator" entry. It got sent
twice to the slave server.
/var/lib/slurpd/replica/slurpd.replog:
replica: build-cl9.distro.conectiva
time: 1089386416
dn: uid=replicator,dc=my-domain,dc=com
changetype: modify
add: description
description:: dXN1w6FyaW8gZGUgcmVwbGljYcOnw6Nv
-
replace: entryCSN
entryCSN: 2004070915:20:16Z#0x0001#0#0000
-
replace: modifiersName
modifiersName: cn=Manager,dc=my-domain,dc=com
-
replace: modifyTimestamp
modifyTimestamp: 20040709152016Z
-
LDAP log on the slave:
Jul 9 12:17:47 buildmaster slapd[24432]: conn=5 fd=17 ACCEPT from
IP=10.0.2.177:40993 (IP=0.0.0.0:389)
Jul 9 12:17:47 buildmaster slapd[24432]: conn=6 fd=20 ACCEPT from
IP=10.0.2.177:40994 (IP=0.0.0.0:389)
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=0 BIND
dn="uid=replicator,dc=my-domain,dc=com" method=128
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=0 BIND
dn="uid=replicator,dc=my-domain,dc=com" mech=simple ssf=0
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=0 RESULT tag=97 err=0 text=
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=0 BIND
dn="uid=replicator,dc=my-domain,dc=com" method=128
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=0 BIND
dn="uid=replicator,dc=my-domain,dc=com" mech=simple ssf=0
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=0 RESULT tag=97 err=0 text=
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=1 MOD
dn="uid=replicator,dc=my-domain,dc=com"
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=1 MOD attr=description
entryCSN modifiersName modifyTimestamp
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=1 MOD
dn="uid=replicator,dc=my-domain,dc=com"
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=1 MOD attr=description
entryCSN modifiersName modifyTimestamp
Jul 9 12:17:47 buildmaster slapd[24447]: conn=5 op=1 RESULT tag=103 err=0
text=
Jul 9 12:17:47 buildmaster slapd[24441]: conn=6 op=1 RESULT tag=103 err=20
text=modify/add: description: value #0 already exists