Bug 1428071

Summary:	Adding halo-enable option
Product:	[Community] GlusterFS	Reporter:	Vijay Bellur <vbellur>
Component:	replicate	Assignee:	bugs <bugs>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	mainline	CC:	atumball, bugs
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	glusterfs-3.11.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-10-12 07:36:05 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 Vijay Bellur 2017-03-01 19:05:51 UTC

Adding halo-enable option

Summary:
- Master option for halo geo-replication
- Added prove test for halo mode
- Updated options do values which should work "out of the box" for most use-cases, just run "enable" halo mode and you are done, the options can be tweaked as needed from there.

Test Plan:
- Enabled option, verified halo works, disabled option verified async
  behavior is disabled
- Ran "prove -v tests/basic/halo.t" -> https://phabricator.fb.com/P12074204

Reviewers: jackl, dph, cjh

Reviewed By: cjh

Subscribers: meyering

Differential Revision: https://phabricator.fb.com/D1386675

Tasks: 4117827

Conflicts:
	xlators/cluster/afr/src/afr-self-heal-common.c
	xlators/cluster/afr/src/afr.h

Change-Id: Ib704528d438c3a42150e30974eb6bb01d9e795ae
Signed-off-by: Kevin Vigor <kvigor>
Reviewed-on: http://review.gluster.org/16172
NetBSD-regression: NetBSD Build System <jenkins.org>
Smoke: Gluster Build System <jenkins.org>
Reviewed-by: Shreyas Siravara <sshreyas>
CentOS-regression: Gluster Build System <jenkins.org>