Re: schema replication

[Nicolas CAREL <nicolas.carel@xxxxxxx>]

Hello,

We had some bad experiences manipulating 99users.ldif in the past. I confirm that Rich's method is the good one. To do so, we setted up several schemas :

# ls /etc/dirsrv/<slapd-instance>/schema
00core.ldif      20subscriber.ldif      50ns-directory.ldif  91supann.ldif
01common.ldif    25java-object.ldif     50ns-mail.ldif       92inrp.ldif
05rfc2247.ldif   28pilot.ldif           50ns-value.ldif      93radius.ldif
05rfc2927.ldif   30ns-common.ldif       50ns-web.ldif        94fw1.ldif
10presence.ldif  50ns-admin.ldif        60pam-plugin.ldif    99user.ldif
10rfc2307.ldif   50ns-certificate.ldif  90eduperson.ldif

We used 9x prefixes to avoid collisions with futur schemas :
90eduperson.ldif : is for Internet 2
91supann.ldif : is for French Academic adaptations to Internet 2
92inrp.ldif : is for local attributes (instead of 99user !)
93radius.ldif : is for radius serveur (eduroam services)
94fw1.ldif : is for CheckPoint Firewall 1 RemoteSecure (VPN) users

These schemas are installed before FDS first start.

These are classes setted up for employees :

dn: uid=<my user>,ou=people,dc=inrp,dc=fr
objectClass: supannPerson
objectClass: eduPerson
objectClass: posixAccount
objectClass: shadowAccount
objectClass: inetorgPerson
objectClass: inrpPerson
objectClass: inrpLan
objectClass: inrpWifi
objectClass: fw1person
objectClass: mailRecipient
objectClass: ntUser

The people branch drives : postfix, Active Directory, unix ftp, radius, Intranet applications...(not exhaustive)
Successful tests with MacOS X and pGina (Windows LDAP/Gina pam module without a domain controler)

Regards,


Jan-Frode Myklebust a écrit :

We just had a bit of a scary situation.. We have two multimaster
replicating directory servers (server1 and server2), with a few
schema modifications residing in 99user.ldif.

dc=example, dc=com:

  server1 <---> server2

Then we wanted to make these two directory servers be consumers
of another directory on server3, which has another set of schema
modifications in 99user.ldif. The result was that server1 and server2
dropped all their modifications to 99user.ldif, and started using a 
99.ldif identical to server3. Resulting in lots of problems with 
unknown object classes in their original directory tree..

o=ISP, o=example, c=NO

              server3 (single master)
              /      \
          server1   server2 (consumers)

Which makes me wonder what the correct way of handling local
schema modifications are. Should we be creating our own 99my_classes.ldif,
instead of storing them in 99user.ldif ?
 

--
Nicolas CAREL
Service Commun Informatique
Chef de service
Tel : 04 72 76 61 43  -  e-mail : nicolas.carel@xxxxxxx

Institut National de Recherche Pédagogique
19 allée de Fontenay - B.P. 17424 - 69347 LYON CEDEX 07
Standard : 04 72 76 61 00 - Télécopie : 04 72 76 61 10

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