[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:21 dylan]:
 > Replying to [comment:20 mmetz]:
 >
 > > > 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).
 >
 > All good points, except that this iteration of errors (grass-user
 messages and tickets filed since 2017-12-30) have all been encountered
 while working on an ssd exclusively. Unless of course temp files are
 stored outside of the database/mapset. I'll work on a short list of all
 related tickets and mailing list posts.

 If you are not using the test scripts attached to this ticket any more,
 can you please also add data and commands that trigger this error to this
 ticket? Thanks!

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2764#comment:22>
GRASS GIS <https://grass.osgeo.org>