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Hi, I have a doubt in the difference of contextCSN of two OpenLDAP servers where one is installed with BDB backend (version 2.4.11) and the other one is installed with MDB backend (version 2.4.44). An LDIF entry “dn: ou=grp_71,ou=people,dc=my-domain,dc=com” was already existing in both the DBs. The following two LDIF entries were added again using slapadd with –w option enabled. dn: ou=grp_71,ou=people,dc=my-domain,dc=com [ Old entry ] dn: ou=alpha,ou=people,dc=my-domain,dc=com [ New entry ] In BDB backend LDAP server, contextCSN gets updated with the latest added entryCSN ( i.e. entryCSN of “dn: ou=alpha,ou=people,dc=my-domain,dc=com”). But in MDB backend LDAP server, contextCSN doesn’t get updated with the latest added entryCSN. Rather it still has the old entryCSN value ( i.e. entryCSN of “dn: ou=grp_71,ou=people,dc=my-domain,dc=com”) Please let me know, why is it so? Is this correct? Below is the short dump of slapcat from both the servers. ################################################### BDB backend (version 2.4.11) ################################################### dn: dc=my-domain,dc=com dc: my-domain objectClass: dcObject objectClass: organization o: my-domain structuralObjectClass: organization entryUUID: 3a896474-dba7-1035-95f9-abdba6d92f92 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711113452Z entryCSN: 20160711113452.876767Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711113452Z contextCSN: 20160711113900.374218Z#000000#000#000000 dn: cn=Manager,dc=my-domain,dc=com objectClass: organizationalRole cn: Manager structuralObjectClass: organizationalRole entryUUID: 3a8ae100-dba7-1035-95fa-abdba6d92f92 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711113452Z entryCSN: 20160711113452.886601Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711113452Z dn: ou=people,dc=my-domain,dc=com ou: people objectClass: organizationalUnit objectClass: top companyName: aricent structuralObjectClass: organizationalUnit entryUUID: 3a8b836c-dba7-1035-95fb-abdba6d92f92 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711113452Z entryCSN: 20160711113452.890761Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711113452Z dn: ou=grp_71,ou=people,dc=my-domain,dc=com ou: grp_71 objectClass: organizationalUnit companyName: aricent4 structuralObjectClass: organizationalUnit entryUUID: 9231b848-dba7-1035-9211-3f7458963df7 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711113719Z entryCSN: 20160711113719.941790Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711113719Z dn: ou=alpha,ou=people,dc=my-domain,dc=com ou: alpha objectClass: organizationalUnit companyName: aricent2 structuralObjectClass: organizationalUnit entryUUID: ce0e7de2-dba7-1035-86a6-852dc551e076 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711113900Z entryCSN: 20160711113900.374218Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711113900Z ################################################### MDB backend (version 2.4.44) ################################################### dn: dc=my-domain,dc=com dc: my-domain objectClass: dcObject objectClass: organization o: my-domain structuralObjectClass: organization entryUUID: 95197aa4-db76-1035-8cd9-9f963a69ea08 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711054639Z entryCSN: 20160711054639.476247Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711054639Z contextCSN: 20160711054904.666167Z#000000#000#000000 dn: cn=Manager,dc=my-domain,dc=com objectClass: organizationalRole cn: Manager structuralObjectClass: organizationalRole entryUUID: 951bbbde-db76-1035-8cda-9f963a69ea08 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711054639Z entryCSN: 20160711054639.491130Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711054639Z dn: ou=people,dc=my-domain,dc=com ou: people objectClass: organizationalUnit objectClass: top companyName: aricent structuralObjectClass: organizationalUnit entryUUID: 951d7f64-db76-1035-8cdb-9f963a69ea08 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711054639Z entryCSN: 20160711054639.502690Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711054639Z dn: ou=grp_71,ou=people,dc=my-domain,dc=com ou: grp_71 objectClass: organizationalUnit companyName: aricent4 structuralObjectClass: organizationalUnit entryUUID: eba3afca-db76-1035-9667-b5e8d6738a99 creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711054904Z entryCSN: 20160711054904.666167Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711054904Z dn: ou=alpha,ou=people,dc=my-domain,dc=com ou: alpha objectClass: organizationalUnit companyName: aricent2 structuralObjectClass: organizationalUnit entryUUID: 27ed19c6-db77-1035-82e2-f54af7597a9e creatorsName: cn=Manager,dc=my-domain,dc=com createTimestamp: 20160711055045Z entryCSN: 20160711055045.810589Z#000000#000#000000 modifiersName: cn=Manager,dc=my-domain,dc=com modifyTimestamp: 20160711055045Z Please let me know, why is it so? Is this correct? Best Regards, Gurjot Kaur |