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Bug 1428080

Summary:	Fixes halo multi-region fail-over regression
Product:	[Community] GlusterFS	Reporter:	Vijay Bellur <vbellur>
Component:	replicate	Assignee:	bugs <bugs>
Status:	CLOSED DEFERRED	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	mainline	CC:	bugs, ravishankar
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2019-03-08 04:40:48 UTC	Type:	---
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Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Vijay Bellur 2017-03-01 19:06:16 UTC

Fixes halo multi-region fail-over regression

Summary:
- After the afr-common.c refactor the quorum accounting broke, this diff
  fixes things so when an alternate brick is swapped in to provide the
  min-replicas quorum accounting works correctly and the FS doesn't go
  RO.  In short, the magic which makes halo clusters seamlessly fail-over
  to a remote region for writes broke :).

Test Plan:
prove -v tests/basic/halo-failover.t ->
https://phabricator.fb.com/P12179467

Reviewers: dph, jackl, cjh

Reviewed By: cjh

Subscribers: meyering

Differential Revision: https://phabricator.fb.com/D1390670

Tasks: 4117827

Change-Id: I2d7fb8ca1e80cd1b21cc12b11b0a3db812321080
Signed-off-by: Kevin Vigor <kvigor>
Reviewed-on: http://review.gluster.org/16203
NetBSD-regression: NetBSD Build System <jenkins.org>
Smoke: Gluster Build System <jenkins.org>
CentOS-regression: Gluster Build System <jenkins.org>
Reviewed-by: Shreyas Siravara <sshreyas>

Comment 1 Ravishankar N 2019-03-08 04:40:48 UTC

Basic halo replication functionality is present in master.There are no immediate plans for forward porting any pending halo related patches from the release-3.8-fb branch into master, hence closing the bug. Please feel free to re-open if there is a need for re-assessment.