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

bugzilla at redhat.com bugzilla at redhat.com
Wed Jul 10 12:47:01 UTC 2019


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

Kinglong Mee <kinglongmee at gmail.com> changed:

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--- Comment #4 from Kinglong Mee <kinglongmee at gmail.com> ---
(In reply to Pranith Kumar K from comment #3)
> (In reply to Kinglong Mee from comment #0)
> > 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
> 
> 
> When I try to run this test, it is choosing /tmp as the directory where the
> file is created. How to change it to the mount directory?
> root at localhost - /mnt/ec2 
> 15:11:08 :( ⚡ /opt/ltp/testcases/bin/ftest05 
> ftest05     1  TPASS  :  Test passed.

You can run as,
./runltp -p -l /tmp/resut.log -o /tmp/output.log -C /tmp/failed.log -d
/mnt/nfs/ -f casefilename-under-runtest

When running the test at nfs client, there is a bash scripts running which
reboot one node(the cluster node Ganesha.nfsd is not running on) every 600s.

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