Bug 1507002

Summary:	Read-only option is ignored and volume mounted in r/w mode
Product:	[Community] GlusterFS	Reporter:	Niels de Vos <ndevos>
Component:	fuse	Assignee:	Csaba Henk <csaba>
Status:	CLOSED WORKSFORME	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	mainline	CC:	atumball, bugs, csaba, e.lasman, ndevos
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	glusterfs-6.x	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1496964
Clones:	1507006 1507007 (view as bug list)		Environment:
Last Closed:	2019-06-20 05:19:38 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:
Bug Blocks:	1496964, 1507006, 1507007

Description Niels de Vos 2017-10-27 11:51:35 UTC

Description of problem:
--read-only option is ignored and volume being mounted with RW permissions.

Version-Release number of selected component (if applicable):
/usr/sbin/glusterfs --version
glusterfs 3.8.4 built on Aug  9 2017 17:54:51
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2013 Red Hat, Inc. <http://www.redhat.com/>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
It is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3
or later), or the GNU General Public License, version 2 (GPLv2),
in all cases as published by the Free Software Foundation.

How reproducible:
Always

Steps to Reproduce:
1. Mount /usr/sbin/glusterfs --read-only --volfile-server=SERVER --volfile-id=/VOLUME-FILE /mnt/mountpoint

Actual results:
df -h | grep mountpoint
SERVER:/VOLUME-FILE on /mnt/mountpoint type fuse.glusterfs (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)

Expected results:
 df -h | grep mountpoint
SERVER:/VOLUME-FILE on /mnt/mountpoint type fuse.glusterfs (ro,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)

Additional info:
cat /etc/redhat-release 
CentOS Linux release 7.4.1708 (Core) 

uname -a
Linux ip-10-20-30-40 3.10.0-327.18.2.el7.x86_64 #1 SMP Thu May 12 11:03:55 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

Comment 1 Amar Tumballi 2019-06-20 05:19:38 UTC

with glusterfs-6.x version:

# glusterfs --volfile-server local --volfile-id demo --read-only /mnt/glusterfs

# mount | grep '/mnt/glusterfs'
local:demo on /mnt/glusterfs type fuse.glusterfs (ro,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)