Bug 1455423

Summary:	dht: dht self heal fails with no hashed subvol error
Product:	[Community] GlusterFS	Reporter:	Kotresh HR <khiremat>
Component:	distribute	Assignee:	Kotresh HR <khiremat>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	3.11	CC:	bugs
Target Milestone:	---
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:	1455104	Environment:
Last Closed:	2017-05-30 18:53:41 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:	1455104
Bug Blocks:

Description Kotresh HR 2017-05-25 06:06:23 UTC

+++ This bug was initially created as a clone of Bug #1455104 +++

Description of problem:
With new synchronization behaviour where read inodelk and RW entrylk is taken on hashed subvol, self heal directory would fail sometimes when hashed subvol is not populated.

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

How reproducible:
Sometimes

Steps to Reproduce:
1. Create distribute volume
2. Mount and initiate I/O and lookup in parallel

Actual results:
Self heal fails sometimes

Expected results:
Self heal should not fail.

Additional info:

--- Additional comment from Worker Ant on 2017-05-24 05:45:29 EDT ---

REVIEW: https://review.gluster.org/17381 (features/dht: Initialize local hashed_subvol) posted (#1) for review on master by Kotresh HR (khiremat)

--- Additional comment from Worker Ant on 2017-05-25 00:21:16 EDT ---

COMMIT: https://review.gluster.org/17381 committed in master by Raghavendra G (rgowdapp) 
------
commit 90df37558d488f9a794f62ed74ec6d72879ed895
Author: Kotresh HR <khiremat>
Date:   Wed May 24 03:17:33 2017 -0400

    features/dht: Initialize local hashed_subvol
    
    Self heal directory code path doesn't always
    have local->hashed_subvol populated. Populating
    the same which otherwise would fail the self
    heal.
    
    Change-Id: I03b64709fd7a68e28f9e7438243e817c53c6ef5d
    BUG: 1455104
    Signed-off-by: Kotresh HR <khiremat>
    Reviewed-on: https://review.gluster.org/17381
    Smoke: Gluster Build System <jenkins.org>
    NetBSD-regression: NetBSD Build System <jenkins.org>
    CentOS-regression: Gluster Build System <jenkins.org>
    Reviewed-by: Amar Tumballi <amarts>
    Reviewed-by: N Balachandran <nbalacha>
    Reviewed-by: Raghavendra G <rgowdapp>

Comment 1 Kotresh HR 2017-05-25 13:02:17 UTC

Patch:
https://review.gluster.org/#/c/17388/

Comment 2 Worker Ant 2017-05-25 13:07:05 UTC

COMMIT: https://review.gluster.org/17388 committed in release-3.11 by Shyamsundar Ranganathan (srangana) 
------
commit bf335dd1fbb67e852bf974fc42a270d772fb6bb9
Author: Kotresh HR <khiremat>
Date:   Wed May 24 03:17:33 2017 -0400

    features/dht: Initialize local hashed_subvol
    
    Self heal directory code path doesn't always
    have local->hashed_subvol populated. Populating
    the same which otherwise would fail the self
    heal.
    
    > Change-Id: I03b64709fd7a68e28f9e7438243e817c53c6ef5d
    > BUG: 1455104
    > Signed-off-by: Kotresh HR <khiremat>
    > Reviewed-on: https://review.gluster.org/17381
    > Smoke: Gluster Build System <jenkins.org>
    > NetBSD-regression: NetBSD Build System <jenkins.org>
    > CentOS-regression: Gluster Build System <jenkins.org>
    > Reviewed-by: Amar Tumballi <amarts>
    > Reviewed-by: N Balachandran <nbalacha>
    > Reviewed-by: Raghavendra G <rgowdapp>
    (cherry picked from commit 90df37558d488f9a794f62ed74ec6d72879ed895)
    
    Change-Id: I03b64709fd7a68e28f9e7438243e817c53c6ef5d
    BUG: 1455423
    Signed-off-by: Kotresh HR <khiremat>
    Reviewed-on: https://review.gluster.org/17388
    Smoke: Gluster Build System <jenkins.org>
    Reviewed-by: Raghavendra G <rgowdapp>
    NetBSD-regression: NetBSD Build System <jenkins.org>
    CentOS-regression: Gluster Build System <jenkins.org>

Comment 3 Shyamsundar 2017-05-30 18:53:41 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-3.11.0, please open a new bug report.

glusterfs-3.11.0 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://lists.gluster.org/pipermail/announce/2017-May/000073.html
[2] https://www.gluster.org/pipermail/gluster-users/