[GRASS-dev] [GRASS GIS] #2764: corrupt data written to FCELL and DCELL rasters, hard to re-produce

[GRASS GIS]

#2764: corrupt data written to FCELL and DCELL rasters, hard to re-produce
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  Reporter:  dylan   |      Owner:  grass-dev@…
      Type:  defect  |     Status:  new
  Priority:  normal  |  Milestone:  7.2.3
 Component:  Raster  |    Version:  unspecified
Resolution:          |   Keywords:
       CPU:  x86-64  |   Platform:  Linux
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Comment (by mmetz):

 Replying to [comment:19 dylan]:
 > Replying to [comment:18 dylan]:
 > > Replying to [comment:17 mmetz]:
 > >
 > > > I have added more informative warnings and errors in trunk r72030,1.
 > >
 >
 > Switched back to ZLIB compression and got the following error:
 >
 > {{{
 > WARNING: ZLIB decompression error -3: data error
 > ERROR: Error uncompressing fp raster data for row 2000 of <beam.206>:
 error
 >        code -1
 > }}}
 >
 > Could there be a lurking zlib compression bug in the code that only
 manifests during parallel invocation, or, when a very large number of rows
 are involved?

 I don't think so because
  1. you can't reproduce the error with a SSD
  2. Markus N can't reproduce the error with a SSD
  3. I can't reproduce the error with a SSD or an old spinning HDD (no
 RAID) or a NAS with spinning disks and software RAID 5

 Therefore I guess that something is wrong with your hard drive or there is
 a bug in your filesystem driver or there is a bug in your RAID
 management/configuration (in case you are still using a software RAID 1
 system).

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2764#comment:20>
GRASS GIS <https://grass.osgeo.org>