Description of problem:
The issue is about the df -h displays the "size" field for mount-point as not a cumulative of all bricks but the value displayed by size field is just showing the size of one of bricks.

while I did the quota remove , quota-deem-statfs was on.

quota remove is done in order to remove the earlier set limit on a certain path.

Version-Release number of selected component (if applicable):
glusterfs-3.4.0.44rhs-1

How reproducible:


Steps to Reproduce:
1. set some limit on root of the volume  and have quota-deem-statfs on for the volume
2. after mounting over nfs, create some data in it
3. take quota list
[root@nfs1 ~]# gluster volume quota dist-rep12 limit-usage / 300GB
volume quota : success

[root@nfs1 ~]# gluster volume quota dist-rep12 list
                  Path                   Hard-limit Soft-limit   Used  Available
--------------------------------------------------------------------------------
/                                        300.0GB       80%     160.8GB 139.2GB

[root@nfs1 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
localhost:dist-rep12  300G  161G  140G  54% /var/run/gluster/dist-rep12

4. execute quota remove command

5. df -h


Actual results:
step 4
--------
[root@nfs1 ~]# 
[root@nfs1 ~]# gluster volume quota dist-rep12 remove /
volume quota : success

[root@nfs1 ~]# 

step 5
--------
[root@nfs1 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_nfs1-lv1
                      425G  167G  259G  40% /rhs/bricks
localhost:dist-rep12  425G  167G  258G  40% /var/run/gluster/dist-rep12


Expected results:
the value of size field for mountpoint should be cumulative of all bricks.

Additional info:


btw same case is found with just quota-deem-statfs on and not limit set on the volume.

[root@quota1 ~]# gluster volume set dist-rep quota-deem-statfs on
volume set: success
[root@quota1 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_quota1-lv_root
                       44G  2.7G   39G   7% /
tmpfs                 4.9G     0  4.9G   0% /dev/shm
/dev/vda1             485M   52M  408M  12% /boot
/dev/mapper/RHS_vgvdb-RHS_lv1
                      421G  234G  188G  56% /rhs/brick1
localhost:dist-rep    312G  236G   77G  76% /var/run/gluster/dist-rep