[Freeipa-users] replicas removed, but incorrectly

[Ludwig Krispenz]

On 09/26/2016 01:36 PM, Natxo Asenjo wrote:
> hi,
>
> I recently upgraded a centos 6.8 realm to centos 7.2 and it almost 
> went correctly.
>
> Now I see some errors in /var/log/dirsrv/slapd-INSTANCENAME/errors
>
> 26/Sep/2016:13:20:15 +0200] attrlist_replace - attr_replace 
> (nsslapd-referral, ldap://kdc03.unix.iriszorg.nl:389/o%3Dipaca 
> <http://kdc03.unix.iriszorg.nl:389/o%3Dipaca>) failed
>
> and according to 
> http://www.freeipa.org/page/Troubleshooting#Replication_issues this 
> points to a ruv problem.
>
> So let's enumerate.
>
> We had kdc01 replicating to kdc02 (both 6.8).
>
> Then I created a replica from kdc01 to kdc03 (running 7.2).
>
> And from kdc03 to kdc04 (both 7.2).
>
> kdc01 and kdc02 are decommissioned, but kdc02 still shows in both 
> kdc03 and kdc04:
>
> $ ipa-replica-manage list
> kdc02.unix.iriszorg.nl <http://kdc02.unix.iriszorg.nl>: master
> kdc03.unix.iriszorg.nl <http://kdc03.unix.iriszorg.nl>: master
> kdc04.unix.iriszorg.nl <http://kdc04.unix.iriszorg.nl>: master
>
> and in
>
> $ ipa-csreplica-manage list
> Directory Manager password:
> kdc02.unix.iriszorg.nl <http://kdc02.unix.iriszorg.nl>: master
> kdc03.unix.iriszorg.nl <http://kdc03.unix.iriszorg.nl>: master
> kdc04.unix.iriszorg.nl <http://kdc04.unix.iriszorg.nl>: master
>
>
> >From kdc03:
> $ ldapsearch -Z -h kdc04.unix.iriszorg.nl 
> <http://kdc04.unix.iriszorg.nl> -D "cn=Directory Manager" -W -b 
> "o=ipaca" 
> "(&(objectclass=nstombstone)(nsUniqueId=ffffffff-ffffffff-ffffffff-ffffffff))" 
> | grep "nsds50ruv\|nsDS5ReplicaId"
> Enter LDAP Password:
> nsDS5ReplicaId: 1095
> nsds50ruv: {replicageneration} 50c1015c000000600000
> nsds50ruv: {replica 1095 ldap://kdc04.unix.iriszorg.nl:389 
> <http://kdc04.unix.iriszorg.nl:389>} 57e4d75a0000044700
> nsds50ruv: {replica 66 ldap://kdc03.unix.iriszorg.nl:389 
> <http://kdc03.unix.iriszorg.nl:389>} 57e23f66000000420000
> nsds50ruv: {replica 96 ldap://kdc01.unix.iriszorg.nl:7389 
> <http://kdc01.unix.iriszorg.nl:7389>} 50c1016c00000060000
> nsds50ruv: {replica 71 ldap://kdc03.unix.iriszorg.nl:389 
> <http://kdc03.unix.iriszorg.nl:389>} 57e140c7000000470000
> nsds50ruv: {replica 97 ldap://kdc02.unix.iriszorg.nl:7389 
> <http://kdc02.unix.iriszorg.nl:7389>} 50c1016800000061000
>
> and from kdc04:
>
> # ldapsearch -Z -h kdc04.unix.iriszorg.nl 
> <http://kdc04.unix.iriszorg.nl> -D "cn=Directory Manager" -W -b 
> "o=ipaca" 
> "(&(objectclass=nstombstone)(nsUniqueId=ffffffff-ffffffff-ffffffff-ffffffff))" 
> | grep "nsds50ruv\|nsDS5ReplicaId"
> Enter LDAP Password:
> nsDS5ReplicaId: 1095
> nsds50ruv: {replicageneration} 50c1015c000000600000
> nsds50ruv: {replica 1095 ldap://kdc04.unix.iriszorg.nl:389 
> <http://kdc04.unix.iriszorg.nl:389>} 57e4d75a0000044700
> nsds50ruv: {replica 66 ldap://kdc03.unix.iriszorg.nl:389 
> <http://kdc03.unix.iriszorg.nl:389>} 57e23f66000000420000
> nsds50ruv: {replica 96 ldap://kdc01.unix.iriszorg.nl:7389 
> <http://kdc01.unix.iriszorg.nl:7389>} 50c1016c00000060000
> nsds50ruv: {replica 71 ldap://kdc03.unix.iriszorg.nl:389 
> <http://kdc03.unix.iriszorg.nl:389>} 57e140c7000000470000
> nsds50ruv: {replica 97 ldap://kdc02.unix.iriszorg.nl:7389 
> <http://kdc02.unix.iriszorg.nl:7389>} 50c1016800000061000
>
>
> So now I have to run a clen ruv task like this (as seen in 
> https://www.redhat.com/archives/freeipa-users/2016-May/msg00043.html):
>
> # ldapmodify -ZZ -D "cn=directory manager" -W -a
> dn: cn=clean 13, cn=cleanallruv, cn=tasks, cn=config
> objectclass: extensibleObject
> replica-base-dn: o=ipaca
> replica-id: 13
> cn: clean 13
>
> And in my example, the replica id would be 66, 96, 71 and 97, correct?
no, I don't think so. you searched 2 times the same host "-h 
kdc04.unix.iriszorg.nl <http://kdc04.unix.iriszorg.nl>".
you need to search on kdc03 to find the current replicaid of kdc03 and 
you have to keep it.
> Thanks for confirming this, never done it before.
> --
> Groeten,
> natxo
>
>

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