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This document describes how to confirm whether you properly configured the disk space quotas on your system's devices. You must enable quotas for any device on which cPanel accounts exist.

For more information about disk space quotas, read our Quota Modification documentation.

Verify which devices use quotas

To verify whether your devices use quotas, perform the following actions:


You must log in as the root user via SSH on your system before you perform these actions.

Run the mount command

Run the mount command to obtain basic information about currently-mounted file systems.

When you run this command without any arguments, the system displays information for all of its mounted file systems.

The following example confirms that the /dev/mapper/VolGroup00-LogVol00 device uses quotas.


Entries that contain the usrquota variable are quota-enabled.

root@host [~]# mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw,usrquota)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
/usr/tmpDSK on /tmp type ext3 (rw,noexec,nosuid,loop=/dev/loop0)
/tmp on /var/tmp type none (rw,noexec,nosuid,bind)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)


For more information about the mount command, visit the mount command documentation.

Examine the fstab file contents

The file system table (fstab) file maps devices to their respective mount points within a system.

The contents of the fstab file will resemble the following example:


Entries that contain the usrquota variable are quota-enabled.

/dev/sda5 				/backup 				ext3 	defaults,noexec 0 0
LABEL=/boot             /boot                   ext3    defaults,usrquota  1 2
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
/dev/sda5 				/swap                   swap    defaults        0 0
/usr/tmpDSK             /tmp                    ext3    defaults,noauto        0 0

The fstab system configuration file displays configuration options in six columns. These options determine the purpose of each file system and how it should mount.


DeviceThe physical device that contains the data./dev/sda5
MountpointThe filepath to the device's data storage location./backup
FStypeThe type of file system.ext3
OptionsThe mount options for the file system. These options include whether quotas are enabled and whether the system or users can execute programs on the device.defaults,noexec

The dump option. The dump backup utility uses this option.


This value is not important for quotas.


The fsck option. The fsck file checking utility uses this option. This value is not important for quotas.


This value is not important for quotas.



For more information about the fstab file, visit the fstab command documentation.

How to enable quotas

After you verify which devices do not use quotas enabled, perform the following steps to enable quotas for the desired devices.

Specify quotas in the fstab file

To enable quotas on a device, open the /etc/fstab file with a text editor and add the usrquota string to the Options column. Use spaces and tabs to create blank spaces between entries, for example:

LABEL=/boot             /boot                   ext3    defaults,usrquota  1 2

After you edit the fstab file, run the mount and remount commands to remount the file system.

For example, to remount the /dev/mapper/VolGroup00-LogVol00 device, run the following command:

mount -o remount /boot


The -o argument passes an option to the mount utility.

Verify that you enabled quota files

After you edit the /etc/fstab file, confirm that the quota files exist in the root directory ( /) and that each file is greater than 0 bytes.

Use the ls command with a wildcard, for example:

root@host [/]# ls -l /*.user
-rwxr--r-- 1 root root 13312 Apr 26 16:39 /aquota.user*
-rwxr--r-- 1 root root    32 Apr 19 16:26 /quota.user* 


  • The example above uses the ls command to list the contents of the root directory (/). The -l flag causes ls output to display in long listing format. This format displays the following information:
    • The file's permissions.
    • Which user owns the file.
    • Which group owns the file.
    • The size of the file in bytes.
    • The file's last modification date.
  • If these files do not exist, run the /scripts/initquotas script to create the files.

Ensure quotas report on the system

Run the following command to confirm that you successfully enabled quotas on the device:

repquota -a

This command prints all of the file systems that exist in the /etc/mtab filem with read and write privileges and quota options enabled.

What if my quotas still do not function?

If you experience further problems, set the disablequotacache parameter to 0 in the /var/cpanel/cpanel.config file. To do this, run the following command:

grep 'disablequotacache' /var/cpanel/cpanel.config


The grep utility allows you to search for a string. In the example above, grep searches for disablequotacache in the /var/cpanel/cpanel.config file. The output will appear similar to the following example:


If the disablequotacache parameter is set to 1, edit the cpanel.config file with a text editor and change the value to 0.

If you still experience problems with quotas, open a support ticket.

A note about Virtuozzo®

If you use Virtuozzo, you must perform the following actions:

  1. Enable second-level (per-user) quotas in addition to first-level (per-container) quotas.
  2. Enable second-level quotas from the parent node.

For more information, visit our Enable Quotas on a Virtuozzo VPS documentation.

Additional documentation