Bug 1358587

Summary: [Tiering]: detach tier status doesn't update the statistics of files being migrated
Product: [Community] GlusterFS Reporter: Dan Lambright <dlambrig>
Component: tieringAssignee: hari gowtham <hgowtham>
Status: CLOSED WONTFIX QA Contact: bugs <bugs>
Severity: high Docs Contact:
Priority: unspecified    
Version: mainlineCC: bugs, hgowtham, kramdoss, nchilaka
Target Milestone: ---Keywords: ZStream
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Hardware: Unspecified   
OS: Unspecified   
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Clone Of: 1336695 Environment:
Last Closed: 2018-11-02 08:15:06 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 1336695    
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Comment 1 Amar Tumballi 2018-11-02 08:15:06 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.