Fedora directory users - Sep 2006 - [HELP] creating partition by command line

Hello all,
I tried create one partition by command line, but it doesn''t work.
And when I''ve tried to restart the console admin, it doesn''s
work too and
when I did a search for cn=mapping tree,cn=config subtree, it didn''t
return
anything.
I Tried follow the tutorial at this site:
http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741

I Created the database for root suffix, the root suffix(dc=mg), sub
suffix(ou=bh,dc=mg) and the database link(Contain a Referral for other
Server) for sub suffix at Main Server .
In the other server I created the root suffix(ou=bh,dc=mg) and the database
for this root suffix.
The LDIF''s that i used for create these partitions as follow:

./ldapmodify -a -D "cn=directory manager" -w- -f /tmp/partition.ldif
Configuration for the Main Server
#Create the database
dn: cn=particaoManual,cn=ldbm database,cn=plugins,cn=config
objectclass: extensibleObject
objectclass: nsBackendInstance
nsslapd-suffix: "ou=bh,dc=mg"

#Create root suffix
dn: cn="ou=bh,dc=mg",cn=mapping tree,cn=config
objectclass: top
objectclass: extensibleObject
objectclass: nsMappingTree
nsslapd-state: backend
nsslapd-backend: particaoManual
cn: ou=bh,dc=mg

#Create sub suffix
dn: cn="ou=bh,dc=mg",cn=mapping tree,cn=config
objectclass: top
objectclass: extensibleObject
objectclass: nsMappingTree
nsslapd-state: Referral
nsslapd-referral: ldap://172.25.0.13:389/ou=bh,dc=mg
nsslapd-backend: particaoLink
nsslapd-parent-suffix: "dc=mg"
cn: ou=bh,dc=mg

#Create Database link
dn: cn=particaoLink,cn=chaining database,cn=plugins,cn=config
objectclass: top
objectclass: extensibleObject
objectclass: nsBackendInstance
nsslapd-suffix: ou=bh,dc=mg
nsfarmserverurl: ldap://172.25.0.13:389/
nsmultiplexorbinddn: uid=replicator,cn=config
nsmultiplexorcredentials: secret
cn: particaoLink

Configuration for the Other Server
./ldapmodify -a -D "cn=directory manager" -w- -f
/tmp/subpartition.ldif
#Create the database
dn: cn=particaoManual,cn=ldbm database,cn=plugins,cn=config
objectclass: extensibleObject
objectclass: nsBackendInstance
nsslapd-suffix: "ou=bh,dc=mg"

#Create root suffix
dn: cn="ou=bh,dc=mg",cn=mapping tree,cn=config
objectclass: top
objectclass: extensibleObject
objectclass: nsMappingTree
nsslapd-state: backend
nsslapd-backend: particaoManual
cn: ou=bh,dc=mg

att,
Jorge Santos

Jorge Santos wrote:
> I tried create one partition by command line, but it doesn''t work.
> And when I''ve tried to restart the console admin, it
doesn''s work too
> and when I did a search for cn=mapping tree,cn=config subtree, it 
> didn''t return anything.
> I Tried follow the tutorial at this site:
> http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741
>
> I Created the database for root suffix, the root suffix(dc=mg), sub 
> suffix(ou=bh,dc=mg) and the database link(Contain a Referral for other 
> Server) for sub suffix at Main Server .
> In the other server I created the root suffix(ou=bh,dc=mg) and the 
> database for this root suffix.
> The LDIF''s that i used for create these partitions as follow:
You''re trying to do a lot of things here, and not explaining what part 
didn''t work.  Why don''t you start at the beginning: tell us
each step
you''ve gone through, what you expected that step to accomplish, and
what
did or did not work.

Ok,
I Would like to setup a partition by command line and i''d tried to
follow
the tutorial in this site:
http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741

But, when I finished to follow the tutorial(create the partition in one
server e the subpartition in the other server), I can''t restart the
slapd. I
realized that information in "cn=mapping tree,cn=config" was lost.

And the only thing that I need is to create a partition in the master server
(dc=mg) and create a sub-partition in the other server (ou=bh,dc=mg)
If you did anything like this, can you post the ldif''s that you used,
please.
I don''t know why the configuration failed, because I followed the
tutorial
correctly.

Jorge Santos


On 9/26/06, Gordon Messmer <gmessmer@u.washington.edu>
wrote:
>
> Jorge Santos wrote:
> > I tried create one partition by command line, but it doesn''t
work.
> > And when I''ve tried to restart the console admin, it
doesn''s work too
> > and when I did a search for cn=mapping tree,cn=config subtree, it
> > didn''t return anything.
> > I Tried follow the tutorial at this site:
> >
> http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741
> >
> > I Created the database for root suffix, the root suffix(dc=mg), sub
> > suffix(ou=bh,dc=mg) and the database link(Contain a Referral for other
> > Server) for sub suffix at Main Server .
> > In the other server I created the root suffix(ou=bh,dc=mg) and the
> > database for this root suffix.
> > The LDIF''s that i used for create these partitions as follow:
>
> You''re trying to do a lot of things here, and not explaining what
part
> didn''t work.  Why don''t you start at the beginning: tell
us each step
> you''ve gone through, what you expected that step to accomplish,
and what
> did or did not work.
>
> --
> Fedora-directory-users mailing list
> Fedora-directory-users@redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-directory-users
>

Jorge Santos wrote:
> I Would like to setup a partition by command line and i''d tried to
> follow the tutorial in this site:
> http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741 
>
<http://www.redhat.com/docs/manuals/dir-server/ag/7.1/entry_dist.html#17741>
I don''t see any "tutorial" at that URL, so I still
don''t know exactly
what you''re trying to do.  That document covers a number of different 
topics, not all of which will be used together.

I tried following the configuration in your earlier email a second time, 
and it looks like on one server, you''re creating an LDBM database for 
the suffix "ou=bh,dc=mg", and then creating a link to another server
for
the same suffix.  I''m pretty sure you can only do one of those two 
things for a given suffix.  In other words, your configuration can''t 
include two identical entries, ''cn="ou=bh,dc=mg",cn=mapping
tree,cn=config''.

So, try explaining the topology that you''re trying to achieve as an end
result, and maybe we can give you a better idea of how to approach it.
> But, when I finished to follow the tutorial(create the partition in 
> one server e the subpartition in the other server), I can''t
restart
> the slapd. I realized that information in "cn=mapping
tree,cn=config"
> was lost.
On which host?  Your original message didn''t give names or IP numbers 
for the servers, which you should include.
> And the only thing that I need is to create a partition in the master 
> server (dc=mg) and create a sub-partition in the other server 
> (ou=bh,dc=mg)
If that''s the case, you probably don''t want a database link,
unless you
want the "other" server to contain a database for which the
"master"
server will also answer.

If the two servers have different suffixes, how are they related?

Ok, now I Will explain what I want.
I would like to distribute my data and the mechanics of data distribution
which I''m trying to use is about suffixes.
I make a figure explain my topology and it''s following as attachment.
dc=mg is my root suffix which is stored in the Server 1
ou=bh,dc=mg is my sub-suffix of dc=mg and it''s stored in the Server 2

Now, I''m trying to do this topology by command line

It is a Distributed Topology and I get more information about distributed
data by using suffix in this site:
http://www.redhat.com/docs/manuals/dir-server/deploy/7.1/referral.html#1000217

Jorge Santos

Jorge Santos wrote:
>
> It is a Distributed Topology and I get more information about 
> distributed data by using suffix in this site:
>
http://www.redhat.com/docs/manuals/dir-server/deploy/7.1/referral.html#1000217
OK, it''s starting to become more clear.  Now: *why* are you trying to 
create a distributed topology?  Are you trying to allow management of 
the sub-suffix by a different group?  Are you trying to establish a 
proxy?  Are you trying to replicate the database for better performance, 
or higher availability?

I''m trying to allow management of the sub-suffix by a different group,
to
increase the perfomance and because of scalability

Jorge Santos

Jorge Santos wrote:
> I''m trying to allow management of the sub-suffix by a different
group,
> to increase the perfomance and because of scalability
The former can be done with ACIs, and AFIAK, you''ll only get the latter
if you set up database replication rather than database links.

If you want to follow the replication route, two different 
configurations spring immediately to mind.  In the first, you set up 
"dc=mg" (which is an unusual configuration; "dc" is the
short name aka
"domaincomponent", which normally is used to describe a DNS name: 
redhat.com == dc=redhat,dc=com) on the master server, and create
"ou=bh"
underneath it.  Create an administrative account in ou=People,dc=mg, and 
give that account write access to "ou=bh,dc=mg".  Then, set up the
same
root on your second server, and establish replication of the dc=mg 
suffix to that server.  You can make the secondary server a read-only 
consumer, or if you like, you can set them both up as multi-master 
read-write servers, in which case they each need a replication agreement 
to the other.

The other configuration that''s possible is to set up each suffix on its
respective server, and then create a read-only replica of the other 
server''s suffix on the opposite.  In this configuration, serverA would 
have a read-write dc=mg, and a read-only ou=bh,dc=mg; serverB would have 
a read-write ou=bh,dc=mg, and a read-only dc=mg.  Searches would work 
against either server, and writes would be redirected by referrals.  
Clients that don''t follow referrals would need to write to the correct 
server explicitly.

So.. which way would you rather go?