Bug 1438468

Summary:	[Parallel Readdir]: Hard link creation creates two target links on mount point (EC/SMB)
Product:	[Red Hat Storage] Red Hat Gluster Storage	Reporter:	Ambarish <asoman>
Component:	glusterfs	Assignee:	Poornima G <pgurusid>
Status:	CLOSED ERRATA	QA Contact:	Ambarish <asoman>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	rhgs-3.3	CC:	amukherj, bturner, rcyriac, rgowdapp, rhinduja, rhs-bugs, skoduri, vbellur
Target Milestone:	---
Target Release:	RHGS 3.3.0
Hardware:	x86_64
OS:	Linux
Whiteboard:	dht-parallel-readdirp
Fixed In Version:	glusterfs-3.8.4-23	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-09-21 04:35:56 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:	1435942
Bug Blocks:	1417151

Description Ambarish 2017-04-03 13:17:27 UTC

Description of problem:
-----------------------

When I create a hard link,I see two link files in my mount point :

[root@gqac016 gluster-mount]# touch file
[root@gqac016 gluster-mount]# 

[root@gqac016 gluster-mount]# ls
A  file  s  s  v  v
[root@gqac016 gluster-mount]# 


[root@gqac016 gluster-mount]# ln file link

[root@gqac016 gluster-mount]# ls
A  file  link  link  s  s  v  v
[root@gqac016 gluster-mount]# 



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

glusterfs-3.8.4-20.el7rhgs.x86_64

How reproducible:
----------------

Always

Steps to Reproduce:
-------------------

1. Create a file.
2. Create a hard link to file.


Actual results:
---------------

The directory should have the file and the taget link to file.

Expected results:
-----------------

The mount point has two link files.

Additional info:
----------------

[root@gqas015 /]# gluster v info
 
Volume Name: butcher
Type: Distributed-Disperse
Volume ID: 5631cfae-9f6f-40da-8aae-5c1997ef4f2a
Status: Started
Snapshot Count: 0
Number of Bricks: 12 x (4 + 2) = 72
Transport-type: tcp
Bricks:
Brick1: gqas013.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick2: gqas005.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick3: gqas006.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick4: gqas008.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick5: gqas014.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick6: gqas015.sbu.lab.eng.bos.redhat.com:/bricks1/brick
Brick7: gqas013.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick8: gqas005.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick9: gqas006.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick10: gqas008.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick11: gqas014.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick12: gqas015.sbu.lab.eng.bos.redhat.com:/bricks2/brick
Brick13: gqas013.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick14: gqas005.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick15: gqas006.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick16: gqas008.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick17: gqas014.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick18: gqas015.sbu.lab.eng.bos.redhat.com:/bricks3/brick
Brick19: gqas013.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick20: gqas005.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick21: gqas006.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick22: gqas008.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick23: gqas014.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick24: gqas015.sbu.lab.eng.bos.redhat.com:/bricks4/brick
Brick25: gqas013.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick26: gqas005.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick27: gqas006.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick28: gqas008.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick29: gqas014.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick30: gqas015.sbu.lab.eng.bos.redhat.com:/bricks5/brick
Brick31: gqas013.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick32: gqas005.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick33: gqas006.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick34: gqas008.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick35: gqas014.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick36: gqas015.sbu.lab.eng.bos.redhat.com:/bricks6/brick
Brick37: gqas013.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick38: gqas005.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick39: gqas006.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick40: gqas008.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick41: gqas014.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick42: gqas015.sbu.lab.eng.bos.redhat.com:/bricks7/brick
Brick43: gqas013.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick44: gqas005.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick45: gqas006.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick46: gqas008.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick47: gqas014.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick48: gqas015.sbu.lab.eng.bos.redhat.com:/bricks8/brick
Brick49: gqas013.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick50: gqas005.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick51: gqas006.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick52: gqas008.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick53: gqas014.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick54: gqas015.sbu.lab.eng.bos.redhat.com:/bricks9/brick
Brick55: gqas013.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick56: gqas005.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick57: gqas006.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick58: gqas008.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick59: gqas014.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick60: gqas015.sbu.lab.eng.bos.redhat.com:/bricks10/brick
Brick61: gqas013.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick62: gqas005.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick63: gqas006.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick64: gqas008.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick65: gqas014.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick66: gqas015.sbu.lab.eng.bos.redhat.com:/bricks11/brick
Brick67: gqas013.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Brick68: gqas005.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Brick69: gqas006.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Brick70: gqas008.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Brick71: gqas014.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Brick72: gqas015.sbu.lab.eng.bos.redhat.com:/bricks12/brick
Options Reconfigured:
performance.parallel-readdir: on
cluster.lookup-optimize: on
client.event-threads: 4
server.event-threads: 4
network.inode-lru-limit: 50000
performance.md-cache-timeout: 600
performance.cache-invalidation: on
performance.stat-prefetch: on
features.cache-invalidation-timeout: 600
features.cache-invalidation: on
transport.address-family: inet
nfs.disable: on
[root@gqas015 /]#

Comment 3 Poornima G 2017-04-06 04:55:08 UTC

https://code.engineering.redhat.com/gerrit/#/c/102614/ Should fix the same

Comment 7 Ambarish 2017-05-06 04:11:36 UTC

Verified on 3.8.4-24.

Comment 9 errata-xmlrpc 2017-09-21 04:35:56 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:2774