On 01/31/2013 08:19 AM, Bright, Daniel wrote:
|schema changes made over LDAP? Yes, schema replication is tricky
because it is "single" master.
When you say schema replication is tricky because it is a “single”
master, I am using an MMR environment where in effect every member is
a master. Is this a setting that is controlled elsewhere, and does
this mean that any custom changes to the schema need to be made on
this single master server?
Yes. That's the best way to do it. If you make schema changes to one
master, then make sure that all of those schema changes have been
replicated to all servers throughout your topology, then you can make
schema changes to another master. Schema replication is not
multi-master in the sense that you can make simultaneous changes to to
the schema on more than one master. You just have to be careful.
That's why using a single master is easier - if you always make changes
on that one master, it should work.
|User defined attributes are attributes that have been added via LDAP
(or the console which uses LDAP).
I think I just answered my own question regarding this issue,
according to the official documentation I will need to make custom
schema changes to the 99user.ldif file rather than using ldapmodify or
the 389-console:
*Custom Schema*
If the standard 99user.ldiffile is used for custom schema, these
changes are replicated to all consumers.
Custom schema files must be copied to each server in order to maintain
the information in the same schema file on all servers. Custom schema
files, and changes to those files, are not replicated, even if they
are made through the Directory Server Console or ldapmodify.
If there are custom schema files, ensure that these files are copied
to all servers after making changes on the supplier. After all of the
files have been copied, restart the server.
For more information on custom schema files, see Section 3.4.7,
“Creating Custom Schema Files”
<https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Directory_Server/9.0/html/Deployment_Guide/Designing_the_Directory_Schema.html#Customizing_the_Schema-Creating_Custom_Schema_Files>.
That's a little bit misleading. In order for schema changes to be
replicated, they _must_ be changed using ldapmodify (which is what the
console uses). Schema changes made over ldap are stored in
99user.ldif. However, if you manually edit 99user.ldif, schema changes
will _not_ be replicated.
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Directory_Server/9.0/html/Administration_Guide/Extending_the_Directory_Schema.html#schema-replication
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