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Quota does not seem to be working

Posted on 2010-09-06
Medium Priority
Last Modified: 2013-12-06
Hi Folks,

I'm using Red Hat Enterprise 5.4 and I'm trying to implement the quota on a new partition.
I practiced creating the quota on the /home directory was successfully and I now want to create a new directory mounted on a new partition and enable quota.

I created a new directory /data and mounted it on a new ext3 partition sdb3. Quota seem to be enabled but I just can't assign quota based on individual user. Can I set the quota on /data for individual user?
[root@example ~]# fdisk -l

Disk /dev/sda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14        2610    20860402+  8e  Linux LVM

Disk /dev/sdb: 5368 MB, 5368709120 bytes
255 heads, 63 sectors/track, 652 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1         123      987966   83  Linux
/dev/sdb2             124         186      506047+  82  Linux swap / Solaris
/dev/sdb3             187         311     1004062+  83  Linux
[root@example ~]# 
[root@example ~]# repquota /dev/sdb3
*** Report for user quotas on device /dev/sdb3
Block grace time: 7days; Inode grace time: 7days
                        Block limits                File limits
User            used    soft    hard  grace    used  soft  hard  grace
root      --   17652       0       0              4     0     0       

[root@example ~]# 
[root@example ~]# cat /etc/fstab
/dev/VolGroup00/LogVol00 /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        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/VolGroup00/LogVol01 swap                    swap    defaults        0 0
/dev/sdb1               /mnt/partition_sdb1     ext3    defaults        0 0
/dev/sdb2               swap                    swap    defaults        0 0
/dev/sdb3               /data                   ext3    defaults,usrquota       0 0

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Question by:Decarn
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LVL 19

Expert Comment

ID: 33612608
I dont believe quotas work for the root user... Try setting up with a normal userid.
LVL 11

Expert Comment

ID: 33612632
have you remounted the /data filesystem?
LVL 11

Expert Comment

ID: 33612658
also as stated above root might not use the quota.
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Author Comment

ID: 33612668
hi jools,

That's the problem I have set quota for user but it is not showing.

I have entered the command:

setquota student 512 1024 0 0 /data

even tried

setquota student 512 1024 0 0 /dev/sdb3

When I tyep "edquota student", I can see that the parameter has been set but when I run repquota /dev/sdb3 only the root quota is shown.

Tried loging in as student and do a sudo but password is invalid. Strange but I don't think I need to login as student to set quota ya?
LVL 11

Expert Comment

ID: 33612692
what is the output from quota student

make sure quotas are on and enabled quotaon -vug /data


Author Comment

ID: 33612761

Just restarted the comp to be sure. I did what you mention but still no luck.
[root@example ~]# quota student
Disk quotas for user student (uid 507): none
[root@example ~]# quotao
quotaoff  quotaon   
[root@example ~]# quotaon -vug /data
quotaon: using /data/aquota.user on /dev/sdb3 [/data]: Device or resource busy
[root@example ~]# quotaoff /data
[root@example ~]# quotaon -vug /data
/dev/sdb3 [/data]: user quotas turned on
[root@example ~]# quota student
Disk quotas for user student (uid 507): none
[root@example ~]# setquota -u student 256 512 0 0 /data/
[root@example ~]# quota student
Disk quotas for user student (uid 507): none
[root@example ~]#

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Author Comment

ID: 33612811
Any ideas guys? I really want to get this working.

I can reset to the snapshot since I'm using a VM. How about a step by step guide to set quota on /data on /dev/sdb3 and to check each step?
LVL 79

Accepted Solution

arnold earned 2000 total points
ID: 33614084
When you run quota username, you will only get responses when the quota is in soft/hard condition i.e. over the softlimit or over the hard limit when/if set.
To see the quota, use quota -v username
This will out put the quota information for the user without regard to their condition.


Author Comment

ID: 33614376
Hi arnold,

thanks. I see the quota when using quota-v username.

The problem seem to be resolved when I log in as student, cd to that directory and then dd a file size that exceeded the quota. When I run the quota command as student, the quota appears. At root repquota also shows its. Very weird.

I figured out some points which are important.
quotaon -vug /data //I tested with quotaon /data and it doesn't work. Switches is important
user must have permissions to the /data dir.

Expert Comment

ID: 33614499
What is the output of the following code?

Author Comment

ID: 33659787
Hi tmaleshafske,

Apologies but I have shut down the VM but the code will show the quota of the user. One more thing that I found out. After applying quota on that particular partition or folder, I will have to log in as that user and copy a file in. Only then will the quota be shown.


Expert Comment

by:JAaron Anderson
ID: 34369889
I am missing something...

when I perform ::.
setquota myusername 400 1024 0 0 /home
I get this error

Mountpoint (or device) /home not found.
NOT all specified mountpoints are using quota.

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LVL 79

Expert Comment

ID: 34370461
run mount to see whether you have quota as an option on the /home volume
alternative look in /etc/fstab to see if quota is set as an option when mounting /home.

i.e. output from running mount
/dev/mapper/VolGroup01-LogVol02 on /home/ type ext3 (rw,quota)

fstab example:

device                   mountpoint              type                      options          dump fsck
/dev/VolGroup01/LogVol02 /home                    ext3    defaults,quota        0 0

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