[Freeipa-users] Attempting to re-provision previous replica

John Desantis desantis at mail.usf.edu
Wed Oct 22 15:42:28 UTC 2014


Hello all,

First and foremost, a big "thank you!" to the FreeIPA developers for a
great product!

Now, to the point!

We're trying to re-provision a previous replica using the standard
documentation via the Red Hat site:

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Identity_Management_Guide/Setting_up_IPA_Replicas.html

However, we're running into errors during the import process.  The
errors are varied and fail at random steps; there was an issue with
NTP or HTTP or LDAP, etc.  This did not happen when we promoted a
separate node to become a replica.

We had previously removed the replica via `ipa-replica-manage del` and
ensured that no trace of it being a replica existed: removed DNS
records and verified that the host enrollment was not present.  I did
not use the "--force" and "--cleanup" options.

When I check RUV's against the host in question, there are several.  I
also queried the tombstones against the host and found two entries
which have valid hex time stamps;  coincidentally, out of the 9
tombstone entries, 2 have "nsds50ruv" time stamps.  I'll paste
sanitized output below:

# ldapsaerch -x -W -LLL -D "cn=directory manager" -b
"dc=our,dc=personal,dc=domain" '(objectclass=nsTombstone)'
Enter LDAP Password:
dn: nsuniqueid=ffffffff-ffffffff-ffffffff-ffffffff,dc=our,dc=personal,dc=domain
objectClass: top
objectClass: nsTombstone
objectClass: extensibleobject
nsds50ruv: {replicageneration} 50ef13ae000000040000
nsds50ruv: {replica 4 ldap://master.our.personal.domain:389}
5164d147000000040000 5447bda 8000100040000
nsds50ruv: {replica 22 ldap://separatenode.our.personal.domain:389}
54107f9f000000160000 54436b 25000000160000
nsds50ruv: {replica 21 ldap://iparepbackup.our.personal.domain:389}
51b734de000000150000 51b7 34ef000200150000
nsds50ruv: {replica 19
ldap://host-in-question.our.personal.domain:389} 510d56c9000100130000
510d82 be000200130000
nsds50ruv: {replica 18 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 17 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 16 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 15 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 14 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 13 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 12 ldap://host-in-question.our.personal.domain:389}
nsds50ruv: {replica 23
ldap://host-in-question.our.personal.domain:389} 54187702000200170000
541878 9a000000170000
dc: our
nsruvReplicaLastModified: {replica 4
ldap://master.our.personal.domain:389} 5447bce8
nsruvReplicaLastModified: {replica 22
ldap://separatenode.our.personal.domain:389} 54436a5e
nsruvReplicaLastModified: {replica 21
ldap://iparepbackup.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 19
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 18
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 17
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 16
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 15
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 14
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 13
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 12
ldap://host-in-question.our.personal.domain:389} 00000000
nsruvReplicaLastModified: {replica 23
ldap://host-in-question.our.personal.domain:389} 00000000

dn: nsuniqueid=c08a2803-5b5a11e2-a527ce8b-8fa47d35,cn=host-in-question.our.personal.domain,cn=maste
 rs,cn=ipa,cn=etc,dc=our,dc=personal,dc=domain
objectClass: top
objectClass: nsContainer
objectClass: nsTombstone
cn: host-in-question.our.personal.domain
nsParentUniqueId: e6fa9418-5b5711e2-a1a9825b-daf5b5b0

dn: nsuniqueid=664c4383-6d6311e2-8db6e946-de27dd8d,cn=host-in-question.our.personal.domain,cn=maste
 rs,cn=ipa,cn=etc,dc=our,dc=personal,dc=domain
objectClass: top
objectClass: nsContainer
objectClass: nsTombstone
cn: host-in-question.our.personal.domain
nsParentUniqueId: e6fa9418-5b5711e2-a1a9825b-daf5b5b0

As you can see, the "host-in-question" has many RUV's and of which two
appear to be "active" and two entries which I believe (pardon my
ignorance) possibly correlate with the "active" entries of the
"host-in-question".

Do these two tombstone entries need to be deleted with ldapdelete
before we can re-provision "host-in-question" and add it back as a
replica?

Thank you,
John DeSantis




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