The same CSN is replicated twice to a replica, why?

(Doc ID 1582966.1)

Last updated on OCTOBER 11, 2016

Applies to:

Oracle Directory Server Enterprise Edition - Version 6.0 to 11.1.1.7.0 [Release 6.0 to 11gR1]
Information in this document applies to any platform.

Symptoms

In a multi-master environment the same CSN is replicated twice as reported in the DS access logs, why?

[31/Jul/2013:02:48:22 -0400] conn=71465 op=0 msgId=716 - MOD dn="cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=extranet,ou=people,dc=example,dc=com"
[31/Jul/2013:02:48:22 -0400] conn=71465 op=0 msgId=716 - RESULT err=0 tag=103 nentries=0 etime=0 csn=51f8b3fc0004003e0000

[31/Jul/2013:02:48:22 -0400] conn=71465 op=0 msgId=721 - MOD dn="cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=extranet,ou=people,dc=example,dc=com"
[31/Jul/2013:02:48:22 -0400] conn=71465 op=0 msgId=721 - RESULT err=0 tag=103 nentries=0 etime=0 csn=51f8b3fc0004003e0000


Reviewing the state data shows the csn is for pwdFailureTime
cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=Extranet,ou=People,dc=example,dc=com
nscpentrywsi=dn: cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=Extranet,ou=People,dc=example,dc=com
nscpentrywsi=pwdFailureTime;vucsn-51f8b3fc0004003e0002: 20130731064822.872Z
nscpentrywsi=pwdFailureTime;vucsn-51f8b3fc000b003e0000: 20130731064822.873Z
nscpentrywsi=pwdFailureTime;vdcsn-51f8b3fc0004003e0000;deleted: 20130121100715.356Z
nscpentrywsi=pwdFailureTime;vdcsn-51f8b3fc0004003e0001;deleted: 20130121100716.357Z
nscpentrywsi=modifyTimestamp;adcsn-51f8a950000c0042000b;vucsn-51f8a950000c0042000b: 20130731060250Z
nscpentrywsi=modifiersName;adcsn-51f8a950000c0042000a;vucsn-51f8a950000c0042000a: cn=issoservice,ou=applications,ou=extranet,ou=services,dc=example,dc=com
nscpentrywsi=ctscUserKeywords;vucsn-51f8a950000c00420009: Forced
nscpentrywsi=mrkInternetEmailAddress;vucsn-51f8a950000c00420008: User@example.com
nscpentrywsi=ctscPasswordExpirationDate;vucsn-51f8a950000c00420007: 21130707060251Z
nscpentrywsi=objectClass;vucsn-51f8a950000c00420001: top
nscpentrywsi=objectClass;vucsn-51f8a950000c00420002: person
................. snip

This is also confirmed by reviewing the audit log.

time: 20130731024822
dn: cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=extranet,ou=people,dc=example,dc=com
changetype: modify
delete: pwdFailureTime
pwdFailureTime: 20130121100715.356Z
-
delete: pwdFailureTime
pwdFailureTime: 20130121100716.357Z
-
add: pwdFailureTime
pwdFailureTime: 20130731064822.872Z
-


time: 20130731024822
dn: cn=96961b15f43ed9da9823ddc1f7ca392221829c15,ou=extranet,ou=people,dc=example,dc=com
changetype: modify
delete: pwdFailureTime
pwdFailureTime: 20130121100715.356Z
-
delete: pwdFailureTime
pwdFailureTime: 20130121100716.357Z
-
add: pwdFailureTime
pwdFailureTime: 20130731064822.872Z
-



Cause

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