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Bug 1633625

Summary:	split-brain observed on parent dir
Product:	[Community] GlusterFS	Reporter:	Ravishankar N <ravishankar>
Component:	replicate	Assignee:	Ravishankar N <ravishankar>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	medium
Version:	3.12	CC:	bugs, pasik
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	glusterfs-3.12.15	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1626994	Environment:
Last Closed:	2018-10-23 14:21:35 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1626994, 1633634, 1638163
Bug Blocks:

Description Ravishankar N 2018-09-27 12:00:16 UTC

+++ This bug was initially created as a clone of Bug #1626994 +++

Description of problem:

Reported downstream via BZ 1610743.
When a directory only has dirty xattrs set (due to fop failing due to quorum not met, say), heal-info shows the directory to be in split-brain. After heal is over, it goes away though,

--- Additional comment from Worker Ant on 2018-09-10 05:15:02 EDT ---

REVIEW: https://review.gluster.org/21135 (afr: don't consider 'dirty' as split-brain in heal info) posted (#1) for review on master by Ravishankar N

--- Additional comment from Worker Ant on 2018-09-21 12:36:02 EDT ---

COMMIT: https://review.gluster.org/21135 committed in master by "Shyamsundar Ranganathan" <srangana> with a commit message- afr: fix incorrect reporting of directory split-brain

Problem:
When a directory has dirty xattrs due to failed post-ops or when
replace/reset brick is performed, AFR does a conservative merge as
expected, but heal-info reports it as split-brain because there are no
clear sources.

Fix:
Modify pending flag to contain information about pending heals and
split-brains. For directories, if spit-brain flag is not set,just show
them as needing heal and not being in split-brain.

Fixes: bz#1626994
Change-Id: I09ef821f6887c87d315ae99e6b1de05103cd9383
Signed-off-by: Ravishankar N <ravishankar>

Comment 1 Worker Ant 2018-09-27 12:02:54 UTC

REVIEW: https://review.gluster.org/21290 (afr: fix incorrect reporting of directory split-brain) posted (#1) for review on release-3.12 by Ravishankar N

Comment 2 Worker Ant 2018-10-10 05:21:12 UTC

COMMIT: https://review.gluster.org/21290 committed in release-3.12 by "jiffin tony Thottan" <jthottan> with a commit message- afr: fix incorrect reporting of directory split-brain

Backport of https://review.gluster.org/#/c/glusterfs/+/21135/

Problem:
When a directory has dirty xattrs due to failed post-ops or when
replace/reset brick is performed, AFR does a conservative merge as
expected, but heal-info reports it as split-brain because there are no
clear sources.

Fix:
Modify pending flag to contain information about pending heals and
split-brains. For directories, if spit-brain flag is not set,just show
them as needing heal and not being in split-brain.

Fixes: bz#1633625
Change-Id: I09ef821f6887c87d315ae99e6b1de05103cd9383
BUG: 1633625
Signed-off-by: Ravishankar N <ravishankar>

Comment 3 Shyamsundar 2018-10-23 14:21:35 UTC

This bug is getting closed because a release has been made available that should address the reported issue. In case the problem is still not fixed with glusterfs-3.12.15, please open a new bug report.

glusterfs-3.12.15 has been announced on the Gluster mailinglists [1], packages for several distributions should become available in the near future. Keep an eye on the Gluster Users mailinglist [2] and the update infrastructure for your distribution.

[1] https://lists.gluster.org/pipermail/announce/2018-October/000114.html
[2] https://www.gluster.org/pipermail/gluster-users/