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Full Discussion: User and Group quota is not working on RHEL6.2 ext4/ext3
Operating Systems Linux Red Hat User and Group quota is not working on RHEL6.2 ext4/ext3 Post 302598148 by admin_xor on Monday 13th of February 2012 02:05:50 PM
Old 02-13-2012
User and Group quota is not working on RHEL6.2 ext4/ext3
Hello!

I am in a weird problem of not able to set quota on an ext4 file system. I have setup a logical volume on which this ext4 filesystem resides. It's going to be used by an application for dumping data. But we want to setup quota so that it does not consume all the free space of the lv. The application will generate an error log if the quota limit is crossed. But the problem is that I am not able to set quota on the filesystem.
Here's the mount options used:
Code:
# mount | grep u02
/dev/mapper/vg_app-lv_app on /u02 type ext4 (rw,acl,usrquota,grpquota)

Here's what I get when trying to enable quota:
Code:
# quotacheck -cug /u02
quotacheck: Cannot create new quotafile /u02/aquota.user.new: Permission denied
quotacheck: Cannot initialize IO on new quotafile: Permission denied
quotacheck: Cannot create new quotafile /u02/aquota.group.new: Permission denied
quotacheck: Cannot initialize IO on new quotafile: Permission denied

Here's the permissions on the /u02 directory:
Code:
# ls -ld /u02
drwxr-xr-x. 4 root root 4096 Feb 13 18:38 /u02
# getfacl /u02
getfacl: Removing leading '/' from absolute path names
# file: u02
# owner: root
# group: root
user::rwx
group::r-x
other::r-x

dmesg | tail gives a hint that SELinux is using xattr on this filesystem:
Code:
EXT4-fs (dm-1): mounted filesystem with ordered data mode
SELinux: initialized (dev dm-1, type ext4), uses xattr

SELinux is set to enforcing. After setting SELinux to permissive mode, I was actually able to run the quotacheck command. But, I need to figure out a solution for this as SELinux has to be set to Enforcing as per the company policy.

There's no boolean for quota:
Code:
# getsebool -a | grep quota
#

SELinux context for the directory is like this:
Code:
# ls -ldZ /u02
drwxr-xr-x. root root system_u:object_r:file_t:s0      /u02

My guess is that this xattr thingy is causing the problem. Anyone has any idea what it is and how I can do my job without having to set SELinux to permissive mode? Thanks.
 

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LEARN ABOUT REDHAT

repquota

REPQUOTA(8)						      System Manager's Manual						       REPQUOTA(8)

NAME

       repquota - summarize quotas for a filesystem

SYNOPSIS

       /usr/sbin/repquota [ -vsug ] [ -t | -n ] [ -F format-name ] filesystem...

       /usr/sbin/repquota [ -avtsug ] [ -t | -n ] [ -F format-name ]

DESCRIPTION

       repquota  prints  a  summary  of  the  disc usage and quotas for the specified file systems.  For each user the current number of files and
       amount of space (in kilobytes) is printed, along with any quotas created with edquota(8).

OPTIONS

       -a     Report on all filesystems indicated in /etc/mtab to be read-write with quotas.

       -v     Report all quotas, even if there is no usage. Be also more verbose about quotafile information.

       -t     Truncate user/group names longer than 9 characters. This results in nicer output when there are such names.

       -n     Don't resolve UIDs/GIDs to names. This can speedup printing a lot.

       -s     Try to report used space, number of used inodes and limits in more appropriate units than default ones.

       -F format-name
	      Report quota for specified format (ie. don't perform format autodetection).  Possible format names are: vfsold  (version	1  quota),
	      vfsv0 (version 2 quota), rpc (quota over NFS), xfs (quota on XFS filesystem)

       -g     Report quotas for groups.

       -u     Report quotas for users. This is the default.

       Only the super-user may view quotas which are not their own.

FILES

       aquota.user or aquota.group
			   quota file at the filesystem root (version 2 quota, non-XFS filesystems)
       quota.user or quota.group
			   quota file at the filesystem root (version 1 quota, non-XFS filesystems)
       /etc/mtab	   default filesystems
       /etc/passwd	   default set of users
       /etc/group	   default set of groups

SEE ALSO

       quota(1), quotactl(2), edquota(8), quotacheck(8), quotaon(8)

4th Berkeley Distribution													       REPQUOTA(8)
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