[Bugs] [Bug 1196026] quota: Used field shows data in "PB" after deleting data from volume(happens again)

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1196026



--- Comment #10 from Dan <danodob at gmail.com> ---
We had the issue again. Here is the requested information.

# gluster volume info exports_nonprod
Volume Name: exports_nonprod
Type: Replicate
Volume ID: 6a5ac071-2f33-47b7-9630-ec644e723906
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 192.168.66.102:/data/gluster/exports_nonprod/brick1
Brick2: 192.168.66.101:/data/gluster/exports_nonprod/brick1
Options Reconfigured:
features.quota-deem-statfs: on
changelog.changelog: on
geo-replication.ignore-pid-check: on
geo-replication.indexing: on
features.inode-quota: on
features.quota: on
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on
cluster.enable-shared-storage: enable

# gluster volume quota exports_nonprod list 
                  Path                   Hard-limit  Soft-limit      Used 
Available  Soft-limit exceeded? Hard-limit exceeded?
-------------------------------------------------------------------------------------------------------------------------------
/                                         50.0GB     80%(40.0GB) 16384.0PB 
73.8GB              No                   No

# df -h /run/gluster/exports_nonprod
Filesystem                     Size  Used Avail Use% Mounted on
localhost:exports_nonprod   50G   50G     0 100% /run/gluster/exports_nonprod

# du -sh /run/gluster/exports_nonprod
18G    /run/gluster/exports_nonprod

# du -sh /data/gluster/exports_nonprod
19G    /data/gluster/exports_nonprod

# du -csh /data/gluster/exports_nonprod/brick1/.[!.]*
/data/gluster/exports_nonprod/brick1/* | sort -h 
8.0K    /data/gluster/exports_nonprod/brick1/P
16K    /data/gluster/exports_nonprod/brick1/C
16K    /data/gluster/exports_nonprod/brick1/.trashcan
48K    /data/gluster/exports_nonprod/brick1/u
56K    /data/gluster/exports_nonprod/brick1/d
56K    /data/gluster/exports_nonprod/brick1/t
19G    /data/gluster/exports_nonprod/brick1/.glusterfs
19G    total


The other item that I have found interesting is each time we have encountered
this issue, the current log has only one entry. I find that interesting. 

# cat /var/log/glusterfs/quota-mount-exports_nonprod.log
[2016-08-28 08:42:12.082238] I [glusterfsd-mgmt.c:1596:mgmt_getspec_cbk]
0-glusterfs: No change in volfile, continuing

We are looking at gluster 3.8.3 currently as well.

Thank you again. I hope you can assist!

Regards,
Dan

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