>
> I will be highly thankful to you, if you can help me out in below issue.
>
> We have three servers on rhel 6.3, 16 vcpu and 32G RAM , openldap 2.4.33
> with mdb db of 200G
>
> We are facing replication issue on our servers, otherwise servers are good
> with login and user registration from website.(doing on one server only as
> of now)
>
> We imported data on one server mmam01 and copied it to other 2 servers.
> After some time we got big diff b/w db size of mmam01 and other two servers.
> Then exported data and restored it on other two servers.
>
> i tried adding a user and i got replicated to other two servers, but after
> some time, new users stop getting replicated to other servers.
>
> initial replication status after some 30 min
>
> Even when i tried with blank db

it initally started and then stopped.

i got errors like

dn_callback : entries have identical CSN

 syncrepl_entry: rid=111 entry unchanged, ignored



> Sat Jan 12 12:40:41 EST 2013
>
> DR-SJ
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130111144013.926562Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
> DC-mmam01
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130112174006.314483Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
> DC-mmam04
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130111144013.926562Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
>
> After 2 hours
>
> DR-SJ
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130111144013.926562Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
> contextCSN: 20130112175710.938307Z#000000#003#000000
> DC-mmam01
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130112193219.242546Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
> contextCSN: 20130112175710.938307Z#000000#003#000000
> DC-mmam04
> contextCSN: 20130101132757.303803Z#000000#000#000000
> contextCSN: 20130111144013.926562Z#000000#001#000000
> contextCSN: 20130112174023.266193Z#000000#002#000000
> contextCSN: 20130112175710.938307Z#000000#003#000000
>
> My ldap.conf file is(same on all server) , we have host-ip mapping in
> /etc/hosts file
>
> BASE    dc=example, dc=com
> URI    ldap://mmam01.com ldaps://mmam01.com ldap://mmam04.com ldaps://
> mmam04.com ldap://sjam01.com ldaps://sjam01.com
> TLS_REQCERT demand
> TLS_CACERT  /etc/openldap/cacerts/cacert.pem
>
> slapd.conf file(from mmam01)
>
> include        /etc/openldap/schema/core.schema
> include        /etc/openldap/schema/cosine.schema
> include        /etc/openldap/schema/nis.schema
> include        /etc/openldap/schema/inetorgperson.schema
> include        /etc/openldap/schema/openldap.schema
> include        /etc/openldap/schema/dyngroup.schema
> include        /etc/openldap/schema/ppolicy.schema
> include        /etc/openldap/schema2/channelIdentifier.schema
> include        /etc/openldap/schema2/platform.schema
> include        /etc/openldap/schema2/extendedProfileKey.schema
> include        /etc/openldap/schema2/extendedProfileValue.schema
> include        /etc/openldap/schema2/behaviorKey.schema
> include        /etc/openldap/schema2/behaviorValue.schema
> include        /etc/openldap/schema2/questionAnswer.schema
> include        /etc/openldap/schema2/extendedTop.schema
> include        /etc/openldap/schema2/counter.schema
> serverid        1
> TLSCipherSuite HIGH:MEDIUM:+SSLv3
> TLSCACertificateFile /etc/openldap/cacerts/cacert.pem
> TLSCertificateFile  /etc/openldap/cacerts/mmam01.crt
> TLSCertificateKeyFile /etc/openldap/cacerts/mmam01.key
> TLSVerifyClient        never
> pidfile        /var/symas/run/slapd.pid
> argsfile    /var/symas/run/slapd.args
> loglevel    sync stats
> idletimeout 30
> writetimeout 30
> modulepath     /etc/openldap/lib64/openldap
> moduleload    back_mdb.la
> moduleload     ppolicy.la
> moduleload      unique.la
> moduleload      syncprov.la
> database    mdb
> suffix        "dc=example,dc=com"
> directory    /openldap/var/data
> access to attrs=userPassword
>       by self     write
>       by anonymous auth
>       by * break
>
> access to *
>     by
> group/groupOfUniqueNames/uniqueMember.exact="cn=PWrite,ou=bGroup,dc=example,dc=com"
> manage
>     by
> group/groupOfUniqueNames/uniqueMember.exact="cn=PRead,ou=bGroup,dc=example,dc=com"
> read
>     by * break
> access to *
>       by self       write
>       by anonymous  auth
>       by *          read
> rootdn        "cn=Manager,dc=example,dc=com"
> rootpw  {SSHA}dXDESQeFjSoa/A1HfJ2TAzYf4DrSYWY
> index
> mail,uid,postalCode,smail,channelType,channelValue,answer,behavName,objectclass,type
> eq
> index givenName,sn,city,cn,extName sub
> index displayName approx
> index  entryCSN,entryUUID   eq
> checkpoint 128  15
> maxsize 274877906944
> syncrepl        rid=111
>                 provider=ldap://sjam01.com
>                 binddn="cn=Manager,dc=example,dc=com"
>                 bindmethod=simple
>                 credentials=0m2013
>         tls_cacert=/etc/openldap/cacerts/cacert.pem
>                 searchbase="dc=example,dc=com"
>                 type=refreshAndPersist
>                 retry="5 5 60 +"
>                   network-timeout=10
>                 timeout=10
> syncrepl        rid=222
>                 provider=ldap://mmam04.com
>                 binddn="cn=Manager,dc=example,dc=com"
>                 bindmethod=simple
>                 credentials=0m2013
>         tls_cacert=/etc/openldap/cacerts/cacert.pem
>                 searchbase="dc=example,dc=com"
>                 type=refreshAndPersist
>                 retry="5 5 60 +"
>                 network-timeout=10
>                 timeout=10
> overlay         syncprov
> syncprov-checkpoint 100 10
> syncprov-sessionlog 100
> mirrormode true
> overlay unique
> unique_attributes mail
> overlay ppolicy
> ppolicy_default "cn=default,ou=pwdPolicy,dc=example,dc=com"
> ppolicy_use_lockout
>
> logs
>
> DR-sj
>
> Jan 12 14:51:28 sjprodam01 slapd[25165]: do_syncrep2: rid=111
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:51:28 sjprodam01 slapd[25165]: do_syncrep2: rid=111
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:51:28 sjprodam01 slapd[25165]: do_syncrep2: rid=111
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:51:28 sjprodam01 slapd[25165]: do_syncrep2: rid=111
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:51:28 sjprodam01 slapd[25165]: do_syncrep2: rid=111
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
>
> mmam04
>
> Jan 12 14:53:24 mmprodam04 slapd[14108]: do_syncrep2: rid=222
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:53:24 mmprodam04 slapd[14108]: do_syncrep2: rid=222
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:53:25 mmprodam04 slapd[14108]: do_syncrep2: rid=222
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
> Jan 12 14:53:25 mmprodam04 slapd[14108]: do_syncrep2: rid=222
> LDAP_RES_INTERMEDIATE - SYNC_ID_SET
>
> mmam01
> Users are add on this server
>
>
> Jan 12 14:53:26 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55dd4fa120 20130112195326.941804Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=291 RESULT tag=105
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55d010ee30 20130112195326.941804Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=292 MOD
> dn="extName=PIT,cn=entitlements,cn=extendedProfile,uid=6a9ddf85-1072-48b4-9f09-10f032c8f05e,ou=endUsers,dc=example,dc=com"
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=292 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55deffc210 20130112195327.100182Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=292 RESULT tag=103
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55d8392770 20130112195327.100182Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=293 MOD
> dn="extName=RVW,cn=entitlements,cn=extendedProfile,uid=6a9ddf85-1072-48b4-9f09-10f032c8f05e,ou=endUsers,dc=example,dc=com"
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=293 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f560a22e210 20130112195327.103686Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=293 RESULT tag=103
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55fc6f35e0 20130112195327.103686Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=294 MOD
> dn="extName=ICA,cn=entitlements,cn=extendedProfile,uid=6a9ddf85-1072-48b4-9f09-10f032c8f05e,ou=endUsers,dc=example,dc=com"
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=294 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55f3ffd210 20130112195327.107815Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=294 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55f3ffd210 20130112195327.107815Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=294 RESULT tag=103
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55e87ae550 20130112195327.107815Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=295 MOD
> dn="extName=RVP,cn=entitlements,cn=extendedProfile,uid=6a9ddf85-1072-48b4-9f09-10f032c8f05e,ou=endUsers,dc=example,dc=com"
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=295 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55f0cf8210 20130112195327.112994Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=295 RESULT tag=103
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55e4618780 20130112195327.112994Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=296 MOD
> dn="extName=RAD,cn=entitlements,cn=extendedProfile,uid=6a9ddf85-1072-48b4-9f09-10f032c8f05e,ou=endUsers,dc=example,dc=com"
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=296 MOD attr=extValue
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_queue_csn: queing
> 0x7f55dd4f9210 20130112195327.117321Z#000000#001#000000
> Jan 12 14:53:27 mmprodam01 slapd[24380]: conn=8516 op=296 RESULT tag=103
> err=0 text=
> Jan 12 14:53:27 mmprodam01 slapd[24380]: slap_graduate_commit_csn:
> removing 0x7f55d0001490 20130112195327.117321Z#000000#001#000000
>
>
> I have tried adding users and changing passwords one by one, it doesn't
> work.
> I can search old entries  from one server to other server.
>
>


-- 

Thanks&Regards
Anil Beniwal
+919891695048

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