[Bugs] [Bug 1163623] New: Erasure Volume quota error

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1163623

            Bug ID: 1163623
           Summary: Erasure Volume quota error
           Product: GlusterFS
           Version: 3.6.0
         Component: disperse
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: liangzhicheng1990 at gmail.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Created attachment 956979
  --> https://bugzilla.redhat.com/attachment.cgi?id=956979&action=edit
Attachment contains some information of errors at client

Description of problem:
I test the quota of disperse volume,that generate some exceptions;


Version-Release number of selected component (if applicable):
glusterfs-3.6.0

How reproducible:

Steps to Reproduce:
1.create disperse volume use three gluster nodes(2+1 mode);
2.mount glusterfs on a new client node, create one directory;
3.gluster nodes configure quota for that client directory;
4.copy two files into client directory, the size of two files is not more than 
  the quota of directory; prepare a new file in root directory that size is 
  more than the quota of directory; copy new file into client directory, then  
  copy is terminated;
5. disable quota on gluster nodes,;
6. client umount glusterfs, then remount; check the infomation of three files 
   by ls,

Actual results:
1. the size of three file is not correct, some times the last file 
   display exception;
2. when I repeat 1-6 operations, the contents of two files is damaged 
   sometimes; 

Expected results:
1. client directory container data is more than the quota, new writes is 
   abort or hang, it should is not damage the data, that has been written or 
   exist; 

Additional info:
Attachment contains some information of errors at client

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