# grep "conn=237" ./access [17/Jun/2015:14:37:03 +0600] conn=237 fd=71 slot=71 connection from 10.99.75.82 to 10.61.8.2 [17/Jun/2015:14:37:03 +0600] conn=237 op=0 BIND dn="" method=sasl version=3 mech=GSSAPI [17/Jun/2015:14:37:03 +0600] conn=237 op=0 RESULT err=14 tag=97 nentries=0 etime=0, SASL bind in progress [17/Jun/2015:14:37:03 +0600] conn=237 op=1 BIND dn="" method=sasl version=3 mech=GSSAPI [17/Jun/2015:14:37:03 +0600] conn=237 op=1 RESULT err=14 tag=97 nentries=0 etime=0, SASL bind in progress [17/Jun/2015:14:37:03 +0600] conn=237 op=2 BIND dn="" method=sasl version=3 mech=GSSAPI [17/Jun/2015:14:37:03 +0600] conn=237 op=2 RESULT err=0 tag=97 nentries=0 etime=0 dn="krbprincipalname=ldap/msk-rhidm-03.unix.megafon...@unix.megafon.ru,cn=services,cn=accounts,dc=unix,dc=megafon,dc=ru" [17/Jun/2015:14:37:03 +0600] conn=237 op=3 SRCH base="" scope=0 filter="(objectClass=*)" attrs="supportedControl supportedExtension" [17/Jun/2015:14:37:03 +0600] conn=237 op=3 RESULT err=0 tag=101 nentries=1 etime=0 [17/Jun/2015:14:37:03 +0600] conn=237 op=4 SRCH base="" scope=0 filter="(objectClass=*)" attrs="supportedControl supportedExtension" [17/Jun/2015:14:37:03 +0600] conn=237 op=4 RESULT err=0 tag=101 nentries=1 etime=0 [17/Jun/2015:14:37:03 +0600] conn=237 op=5 EXT oid="2.16.840.1.113730.3.5.12" name="replication-multimaster-extop" [17/Jun/2015:14:37:03 +0600] conn=237 op=5 RESULT err=0 tag=120 nentries=0 etime=0 [17/Jun/2015:14:37:04 +0600] conn=237 op=6 EXT oid="2.16.840.1.113730.3.5.5" name="Netscape Replication End Session" [17/Jun/2015:14:37:04 +0600] conn=237 op=6 RESULT err=0 tag=120 nentries=0 etime=0 [17/Jun/2015:14:37:05 +0600] conn=237 op=7 EXT oid="2.16.840.1.113730.3.5.12" name="replication-multimaster-extop" [17/Jun/2015:14:37:05 +0600] conn=237 op=7 RESULT err=0 tag=120 nentries=0 etime=0 [17/Jun/2015:14:37:07 +0600] conn=237 op=8 EXT oid="2.16.840.1.113730.3.5.5" name="Netscape Replication End Session"
WBR, Alexander Frolushkin Cell +79232508764 Work +79232507764 From: freeipa-users-boun...@redhat.com [mailto:freeipa-users-boun...@redhat.com] On Behalf Of Ludwig Krispenz Sent: Wednesday, June 17, 2015 3:55 PM To: freeipa-users@redhat.com Subject: Re: [Freeipa-users] replication conflicts On 06/17/2015 11:52 AM, Ludwig Krispenz wrote: On 06/17/2015 11:45 AM, thierry bordaz wrote: On 06/17/2015 11:22 AM, Alexander Frolushkin wrote: This was a usual "ipa-replica-install --setup-ca --setup-dns" and after that ipa-adtrust-install. No DEL found: # grep "cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru" ./access [17/Jun/2015:10:08:01 +0600] conn=2 op=89 SRCH base="cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru" scope=0 filter="(objectClass=*)" attrs="ipaPermRight ipaPermTargetFilter ipaPermBindRuleType ipaPermissionType cn objectClass memberOf member ipaPermTarget ipaPermDefaultAttr ipaPermLocation ipaPermIncludedAttr ipaPermExcludedAttr" [17/Jun/2015:10:08:01 +0600] conn=2 op=91 ADD dn="cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru" There is something I miss. conn=2 op=91 was a direct update on replica26 (not replicated) because it received its own CSN=5580f3210000001a0000. But it created a conflict entry, so at that time it existed the same entry (the one created 20150408070720Z) . So the direct update should have been rejected. I think the search in op=89 did not return an entry, so it was added in op 91, that seems to be ok, but then 4 hrs later there is conn=237 adding it again. Alexander, could you get the complete 'conn=237 op=93' and also the start of conn 293, to show where teh connection comes from of course conn=237 Would you check if the replicaID=26 is unique in the topology (list-ruv for example) ? [17/Jun/2015:14:39:46 +0600] conn=237 op=93 ADD dn="cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru" It is also possible this entry on affected servers was previously duplicated and not correctly managed to delete (more recent dup was deleted). Is there any natural way to fix such issues? Maybe ipa-replica-manage force-sync, or ipa-replica-manage re-initialize on affected site servers from normal servers could help? WBR, Alexander Frolushkin Cell +79232508764 Work +79232507764 From: thierry bordaz [mailto:tbor...@redhat.com] Sent: Wednesday, June 17, 2015 3:15 PM To: Alexander Frolushkin (SIB) Cc: 'Ludwig Krispenz'; freeipa-users@redhat.com<mailto:freeipa-users@redhat.com> Subject: Re: [Freeipa-users] replication conflicts Hello Alexander, How did you initialize that new replica 26. Either 'cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru' was not part of the total init data, or a DEL of that entry happened on replica 26 (before a new ADD) but the DEL was not replicated to replica12. Would you check in replica26 access logs if that entry was deleted ? thanks theirry On 06/17/2015 11:03 AM, Alexander Frolushkin wrote: This is correct, thank you for understanding and for helping! Replica with id 26 was created today, this is our new server which was included in domain just a few hours ago. Looks like this dup came right after this new replica creation. WBR, Alexander Frolushkin Cell +79232508764 Work +79232507764 From: Ludwig Krispenz [mailto:lkris...@redhat.com] Sent: Wednesday, June 17, 2015 2:58 PM To: Alexander Frolushkin (SIB) Cc: freeipa-users@redhat.com<mailto:freeipa-users@redhat.com> Subject: Re: [Freeipa-users] replication conflicts Hi, you did send the data directly to me, maybe not wanting to share them to everyone. I'll continue discussion here, trying to be careful. The "good" entry was created in April on replica 12 "0x0c" createTimestamp;vucsn-5524d42b0067000c0000: 20150408070720Z the "nsuniqueid" entry was created today on replica 26 "0x1a" createTimestamp;vucsn-5580f3210000001a0000: 20150617040801Z if the original entry would have existed on replica26 the new add should have been rejected, if it was not there the question is why. Do you have any additional info on replica 26, when was it created, was it disconnected for some time ?? Ludwig On 06/17/2015 08:13 AM, Alexander Frolushkin wrote: Hello. Another example. Today appeared on servers of different site. Original LDIF: # extended LDIF # # LDAPv3 # base <cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru> with scope subtree # filter: (objectclass=*) # requesting: ALL # # System: Manage Host Keytab, permissions, pbac, unix.megafon.ru dn: cn=System: Manage Host Keytab,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc =ru ipaPermTargetFilter: (objectclass=ipahost) ipaPermRight: write ipaPermBindRuleType: permission ipaPermissionType: V2 ipaPermissionType: MANAGED ipaPermissionType: SYSTEM cn: System: Manage Host Keytab objectClass: ipapermission objectClass: top objectClass: groupofnames objectClass: ipapermissionv2 member: cn=Host Enrollment,cn=privileges,cn=pbac,dc=unix,dc=megafon,dc=ru member: cn=Host Administrators,cn=privileges,cn=pbac,dc=unix,dc=megafon,dc=ru ipaPermDefaultAttr: krbprincipalkey ipaPermDefaultAttr: krblastpwdchange ipaPermLocation: cn=computers,cn=accounts,dc=unix,dc=megafon,dc=ru # search result search: 2 result: 0 Success # numResponses: 2 # numEntries: 1 Duplicate: # extended LDIF # # LDAPv3 # base <cn=System: Manage Host Keytab+nsuniqueid=708bba65-14a611e5-8a48fd19-df27ff01,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru> with scope subtree # filter: (objectclass=*) # requesting: ALL # # System: Manage Host Keytab + 708bba65-14a611e5-8a48fd19-df27ff01, permissio ns, pbac, unix.megafon.ru dn: cn=System: Manage Host Keytab+nsuniqueid=708bba65-14a611e5-8a48fd19-df27ff 01,cn=permissions,cn=pbac,dc=unix,dc=megafon,dc=ru ipaPermTargetFilter: (objectclass=ipahost) ipaPermRight: write ipaPermBindRuleType: permission ipaPermissionType: V2 ipaPermissionType: MANAGED ipaPermissionType: SYSTEM cn: System: Manage Host Keytab objectClass: ipapermission objectClass: top objectClass: groupofnames objectClass: ipapermissionv2 member: cn=Host Enrollment,cn=privileges,cn=pbac,dc=unix,dc=megafon,dc=ru member: cn=Host Administrators,cn=privileges,cn=pbac,dc=unix,dc=megafon,dc=ru ipaPermDefaultAttr: krbprincipalkey ipaPermDefaultAttr: krblastpwdchange ipaPermLocation: cn=computers,cn=accounts,dc=unix,dc=megafon,dc=ru # search result search: 2 result: 0 Success # numResponses: 2 # numEntries: 1 No other servers in IPA domain have such duplicates. WBR, Alexander Frolushkin Cell +79232508764 Work +79232507764 From: freeipa-users-boun...@redhat.com<mailto:freeipa-users-boun...@redhat.com> [mailto:freeipa-users-boun...@redhat.com] On Behalf Of Ludwig Krispenz Sent: Tuesday, June 16, 2015 3:52 PM To: freeipa-users@redhat.com<mailto:freeipa-users@redhat.com> Subject: Re: [Freeipa-users] replication conflicts On 06/16/2015 11:42 AM, Alexander Frolushkin wrote: Hello. Just to remind if somebody still not familiar with our IPA installation :) We currently have 18 IPA servers in domain, on 8 sites in different regions across the Russia. And now, our new problem. Regularly we getting a nsds5ReplConflict records on some of our servers, very often on servers from specific site. Usually it is simply a doubles and we can remove the renamed change to get everything back. But why do we have them at all? May be someone could explain, how we can detect the cause of this replication conflicts? if you are talking about having two "duplicate" entries, one: uid=xxxxx,<suffix> one: nsuniqueid=nnnnnnnn+uid=xxxxx,<suffix> these entries appear if the entry uid=xxxxx was added, simultaneously, on two servers. I think this can happen if a client tries to add an entry and if it doesn't get a response in some time retries on another server. to find out which client this is you need to check on which servers the entries were originally added and then see which client was doing it Sometime it is moderately harmful, because, for example HBAC stops working on specific server while doubles still present. Thanks in forward... WBR, Alexander Frolushkin Cell +79232508764 Work +79232507764 ________________________________ Информация в этом сообщении предназначена исключительно для конкретных лиц, которым она адресована. 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