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Bug 1600631

Summary:	In repicated topology a single-valued attribute can diverge
Product:	Red Hat Enterprise Linux 7	Reporter:	mreynolds
Component:	389-ds-base	Assignee:	thierry bordaz <tbordaz>
Status:	CLOSED ERRATA	QA Contact:	RHDS QE <ds-qe-bugs>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	7.4	CC:	aadhikar, cpelland, nkinder, pasik, rmeggins
Target Milestone:	rc
Target Release:	7.7
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	389-ds-base-1.3.9.1-1.el7	Doc Type:	If docs needed, set a value
Doc Text:	Cause: For single value attribute, URP (update replication protocol) can assign different value to the attribute depending on the order of the updates Consequence: an attribute of the same entry can have different value on some DS instances even when the instances are in sync. Fix: rewrite the entry state resolution for single value attribute. Result: all DS instances select the same value of a single value attribute	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 12:58:42 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description mreynolds 2018-07-12 16:08:33 UTC

This bug is created as a clone of upstream ticket:
https://pagure.io/389-ds-base/issue/49658

#### Issue Description
On a replicated topology with more than 2 server, a single value attribute can be present (with a given value) on some instances and can be deleted on some others.

This happens if several update lead to the same value of the attribute but are replicated in a different order.


#### Package Version and Platform
At least since 1.3.7


#### Steps to reproduce

Testcase provided

#### Actual results
The attribute can be deleted or present depending of the server


#### Expected results
The attribute value should be identical on all servers

Comment 3 thierry bordaz 2019-02-05 15:11:06 UTC

The ticket is pushed upsteam https://pagure.io/389-ds-base/issue/49658 --> POST

Comment 5 Akshay Adhikari 2019-04-30 11:35:55 UTC

[root@rhel7-aadhikar1 dirsrvtests]# py.test tests/tickets/ticket49658_test.py
============================================================================ test session starts ============================================================================
platform linux -- Python 3.6.3, pytest-4.4.0, py-1.8.0, pluggy-0.9.0
389-ds-base: 1.3.9.1-5.el7
nss: 3.43.0-6.el7
nspr: 4.21.0-1.el7
openldap: 2.4.44-21.el7_6
cyrus-sasl: 2.1.26-23.el7
FIPS: disabled
rootdir: /root/389-ds-base/dirsrvtests
plugins: metadata-1.8.0, html-1.20.0
collected 36 items                                                                                                                                                          

tests/tickets/ticket49658_test.py ....................................                                                                                                [100%]

================================================================ 36 passed 1359.35 seconds ================================================================

Marking this as VERIFIED.

Comment 7 errata-xmlrpc 2019-08-06 12:58:42 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:2152