Re: unconventional replication, alma 8 master to centos 7 slave: Unable to acquire replica: error: no such replica

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On 3/24/22 10:34 AM, Lewis Robson wrote:
Thanks Mark, please see responses below


Couple things here, are the RHEL 7 servers set up as replication consumers? that is correct, in the 389 console under configuration > replication > userRoot, dedicated consumer


Yes you need the replication manager setup, but the suffix needs to be enabled for replication as well.  Can you do a ldapsearch on cn=config searching for "objectclass=nsds5replica" and share the output?

heres the output of the below command, is this what you mean?

ldapsearch -x -b "dc=test,dc=co,dc=uk" -H ldaps://myserver -D "cn=replication manager,cn=config" -W "objectclass=nsds5replica"
Enter LDAP Password:
# extended LDIF
#
# LDAPv3
# base <dc=test,dc=co,dc=uk> with scope subtree
# filter: objectclass=nsds5replica
# requesting: ALL
#

# search result
search: 2
result: 0 Success

# numResponses: 1


You need to search under "cn=conifg" for objectclass=nsds5replica. not the database suffix, and you should do so as the directory manager account:

ldapsearch =D "cn=directory manger" -W -b cn=config objectclass=nsds5replica


Can you also provide provide the other information I requested from the RHEL 8 server?


# dsconf slapd-YOUR_INSTANCE replication get --suffix dc=test,dc=co,dc=uk

# dsconf slapd-YOUR_INSTANCE repl-agmt list --suffix dc=test,dc=co,dc=uk




sidenote, If i run the below without any filtering applied by me


ldapsearch -x -b "dc=test,dc=co,dc=uk,cn=config" -H ldaps://myserver -D "cn=replication manager,cn=config" -W
Enter LDAP Password:

Is "dc=test,dc=co,dc=uk,cn=config" really an entry under cn=config.  This looks wrong.

Mark



i get:


# extended LDIF
#
# LDAPv3
# base <dc=test,dc=co,dc=uk,cn=config> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 0 Success

# numResponses: 1





My other concern is about the error message above, is that from a RHEL 8 replica?

this is from the var/log/dirsrv/slapd-host/* logs




If so, this indicates replication is not setup properly on that suffix, but you say all the rhel 8 replicas are working.

we only have the 1 master node on 8, apologies for any confusion.


Thanks

-Lewis





Does anyone know anything that I could check for the error to get around this?


Thankyou kindly.

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