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Full Discussion: Quota issue on user belongs to multiple Group
Operating Systems Linux Quota issue on user belongs to multiple Group Post 302663033 by sunnysthakur on Wednesday 27th of June 2012 12:38:42 PM
Old 06-27-2012
below are the steps what i did for this.

Scenario
=======
group name : project1
group members : user1, user2, user3.
group dump folder/common folder to the above mention users : /home/project1 (/dev/sda2).
group disk quota limit : 100MB soft and 110MB hard limit

GROUP QUOTA
===========
Step1 : Create a group
#groupadd project1

Step2 : Create all the require users with their home directory /home/project1 and group
as project1
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user1
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user2
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user3

Step3 : Select/prepare the partition for quota, here my partition is /dev/sda2 so edit/etc/fstab file as shown below.
vim /etc/fstab
/dev/sda2 /home ext3 defaults,usrquota,grpquota 0 0

Step4 : Now remount the partition with rw permissions
#mount -o remount,rw /home

Step5 : Now create group quota database
#quotacheck -cug /home

Step6 : Once the above command executed successfully, check quota is implemented or not.
#repquota -a

Step 7 : #setquota -g project1 100000 110000 0 0 /dev/sda2
This will set quota for group project1

Step8 : #chmod 2770 -R /home/project1

Setup Samba Share
===============

Step 1 : provide the permissions on the above created folder.
#chmod -R 775 project1
#chown -R user1: project1 project1

Step2 : Now open /etc/samba/smb.conf file to create a share
vim /etc/samba/smb.conf
[global]
wide links = yes
unix extensions = no
[project1]
comment = Project1 share with Quota
path = /home/project1
browsable = yes
writable = yes
valid users = @project1
create mask = 775
directory mask = 775

same i used to create group project2 and assigned user4 and user5 to this group and assigned quota on /home/project2 and make it share from samba.

Please let me know if i am missing some configuration for this scenario here.
 

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LEARN ABOUT CENTOS

vfs_default_quota

VFS_DEFAULT_QUOTA(8)					    System Administration tools 				      VFS_DEFAULT_QUOTA(8)

NAME

       vfs_default_quota - store default quota records for Windows clients

SYNOPSIS

       vfs objects = default_quota

DESCRIPTION

       This VFS module is part of the samba(7) suite.

       Many common quota implementations only store quotas for users and groups, but do not store a default quota. The vfs_default_quota module
       allows Samba to store default quota values which can be examined using the Windows Explorer interface.

       By default, Samba returns NO_LIMIT the default quota and refuses to update them.  vfs_default_quota maps the default quota to the quota
       record of a user. By default the root user is taken because quota limits for root are typically not enforced.

       This module is stackable.

OPTIONS

       default_quota:uid = UID
	   UID specifies the user ID of the quota record where the default user quota values are stored.

       default_quota:gid = GID
	   GID specifies the group ID of the quota record where the default group quota values are stored.

       default_quota:uid nolimit = BOOL
	   If this parameter is True, then the user whose quota record is storing the default user quota will be reported as having a quota of
	   NO_LIMIT. Otherwise, the stored values will be reported.

       default_quota:gid nolimit = BOOL
	   If this parameter is True, then the group whose quota record is storing the default group quota will be reported as having a quota of
	   NO_LIMIT. Otherwise, the stored values will be reported.

EXAMPLES

       Store the default quota record in the quota record for the user with ID 65535 and report that user as having no quota limits:

		   [global]
		vfs objects = default_quota
		default_quota:uid = 65535
		default_quota:uid nolimit = yes

VERSION

       This man page is correct for version 3.0.25 of the Samba suite.

AUTHOR

       The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open
       Source project similar to the way the Linux kernel is developed.

Samba 4.0							    06/17/2014						      VFS_DEFAULT_QUOTA(8)
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