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Bug 1644527

Summary:	Remove tier related changes from code.
Product:	[Community] GlusterFS	Reporter:	hari gowtham <hgowtham>
Component:	tiering	Assignee:	bugs <bugs>
Status:	CLOSED WONTFIX	QA Contact:	bugs <bugs>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	mainline	CC:	bugs
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OS:	Unspecified
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Last Closed:	2018-11-02 08:13:48 UTC	Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description hari gowtham 2018-10-31 05:25:45 UTC

Description of problem:
Tier is deprecated and is being removed from build (https://bugzilla.redhat.com/show_bug.cgi?id=1642807). The changes that are tightly coupled with DHT, glusterd and volume set has been planned to be removed separately.
This bug is to track the changes for removal.   

Version-Release number of selected component (if applicable):
mainline and till 3.12

How reproducible:
NA

Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

Comment 1 Amar Tumballi 2018-11-02 08:13:48 UTC

Patch https://review.gluster.org/#/c/glusterfs/+/21331/ removes tier functionality from GlusterFS. 

https://bugzilla.redhat.com/show_bug.cgi?id=1642807 is used as the tracking bug for this. Recommendation is to convert your tier volume to regular volume (either replicate, ec, or plain distribute) with "tier detach" command before upgrade, and use backend features like dm-cache etc to utilize the caching from backend to provide better performance and functionality.