[Bugs] [Bug 1727081] New: Disperse volume : data corruption with ftruncate data in 4+2 config

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1727081

            Bug ID: 1727081
           Summary: Disperse volume : data corruption with ftruncate data
                    in 4+2 config
           Product: GlusterFS
           Version: mainline
            Status: NEW
         Component: disperse
          Assignee: bugs at gluster.org
          Reporter: kinglongmee at gmail.com
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community



Description of problem:

LTP ftestxx tests reports data corruption at a 4+2 disperse volume.

<<<test_output>>>
ftest05     1  TFAIL  :  ftest05.c:395:         Test[0] bad verify @ 0x3800 for
val 2 count 487 xfr 2048 file_max 0xfa000.
ftest05     0  TINFO  :         Test[0]: last_trunc = 0x4d800
ftest05     0  TINFO  :         Stat: size=fa000, ino=120399ba
ftest05     0  TINFO  :         Buf:
ftest05     0  TINFO  :         64*0,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :         2,
ftest05     0  TINFO  :          ... more
ftest05     0  TINFO  :         Bits array:
ftest05     0  TINFO  :         0:
ftest05     0  TINFO  :         0:
ftest05     0  TINFO  :         ddx
ftest05     0  TINFO  :         8:
ftest05     0  TINFO  :         ecx


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


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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