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Bug 1254438

Summary:	Tiering: segfault when trying to rename a file
Product:	[Community] GlusterFS	Reporter:	Mohammed Rafi KC <rkavunga>
Component:	tiering	Assignee:	Mohammed Rafi KC <rkavunga>
Status:	CLOSED CURRENTRELEASE	QA Contact:	bugs <bugs>
Severity:	medium	Docs Contact:
Priority:	high
Version:	3.7.3	CC:	bugs, dlambrig, rgowdapp
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	glusterfs-3.7.4	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	1250828	Environment:
Last Closed:	2015-09-09 09:39:53 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:	1250828
Bug Blocks:	1260923

Description Mohammed Rafi KC 2015-08-18 07:16:49 UTC

+++ This bug was initially created as a clone of Bug #1250828 +++

Description of problem:

On a tier volume with both cold and hot tiers as pure distribute, when trying to move a promoted/demoted file, mount process crashed (if build with debug enable, other wise assertion failure).

Version-Release number of selected component (if applicable):

mainline

How reproducible:

100%

Steps to Reproduce:
1.create a tier volume (cold and hot tier as pure distribute)
2.create some file on mount point
3.let some files promote/demote
4.rename a promoted/demoted file

Actual results:

mount crash

Expected results:

mount should not crash

Additional info:

binary's are build with --debug-enable flag

--- Additional comment from Mohammed Rafi KC on 2015-08-06 02:08:32 EDT ---

when creating a link file, dictionary used for passing xattributes contains some keys used for lookup.

--- Additional comment from Anand Avati on 2015-08-06 02:12:19 EDT ---

REVIEW: http://review.gluster.org/11838 (dht/tiering : create new dictionary during migration) posted (#2) for review on master by mohammed rafi  kc (rkavunga)

--- Additional comment from Anand Avati on 2015-08-06 09:01:50 EDT ---

COMMIT: http://review.gluster.org/11838 committed in master by Raghavendra G (rgowdapp) 
------
commit a3faffb259d5288907fac33a2822a8f61c3e86fe
Author: Mohammed Rafi KC <rkavunga>
Date:   Wed Aug 5 19:34:01 2015 +0530

    dht/tiering : create new dictionary during migration
    
    To avoid setting wrong xattr during creating link file
    
    Change-Id: Iad8de3521eae17e510035ed42e3e01933d647096
    BUG: 1250828
    Signed-off-by: Mohammed Rafi KC <rkavunga>
    Reviewed-on: http://review.gluster.org/11838
    Reviewed-by: N Balachandran <nbalacha>
    Tested-by: Gluster Build System <jenkins.com>
    Reviewed-by: Dan Lambright <dlambrig>
    Reviewed-by: Raghavendra G <rgowdapp>

Comment 1 Anand Avati 2015-08-18 10:37:23 UTC

REVIEW: http://review.gluster.org/11945 (dht/tiering : create new dictionary during migration) posted (#2) for review on release-3.7 by mohammed rafi  kc (rkavunga)

Comment 2 Anand Avati 2015-08-20 06:38:54 UTC

COMMIT: http://review.gluster.org/11945 committed in release-3.7 by Dan Lambright (dlambrig) 
------
commit d776cfb85e00fe0a03e7c13c903f453ff201e73f
Author: Mohammed Rafi KC <rkavunga>
Date:   Wed Aug 5 19:34:01 2015 +0530

    dht/tiering : create new dictionary during migration
    
    To avoid setting wrong xattr during creating link file
    
    Back port of:
    >Change-Id: Iad8de3521eae17e510035ed42e3e01933d647096
    >BUG: 1250828
    >Signed-off-by: Mohammed Rafi KC <rkavunga>
    >Reviewed-on: http://review.gluster.org/11838
    >Reviewed-by: N Balachandran <nbalacha>
    >Tested-by: Gluster Build System <jenkins.com>
    >Reviewed-by: Dan Lambright <dlambrig>
    >Reviewed-by: Raghavendra G <rgowdapp>
    
    (cherry picked from commit a3faffb259d5288907fac33a2822a8f61c3e86fe)
    
    Change-Id: I76ef168cd881c8fd828283a1ae70ed251fc44aaa
    BUG: 1254438
    Signed-off-by: Mohammed Rafi KC <rkavunga>
    Reviewed-on: http://review.gluster.org/11945
    Reviewed-by: Dan Lambright <dlambrig>
    Tested-by: Dan Lambright <dlambrig>

Comment 3 Kaushal 2015-09-09 09:39:53 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-3.7.4, please open a new bug report.

glusterfs-3.7.4 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] http://thread.gmane.org/gmane.comp.file-systems.gluster.devel/12496
[2] http://thread.gmane.org/gmane.comp.file-systems.gluster.user