[Wrf-users] [Warf-users] Error opening restart file for ARSC WRF Benchmark Suite

Don Morton Don.Morton at alaska.edu
Fri May 4 10:00:16 MDT 2012


As one of the "curators" of this benchmark site, I am looking at the
problem myself and will probably contact you two personally, then report
back to WRF Users if we find an issue.

Thanks for the report!

Don Morton
Research Professor
Arctic Region Supercomputing Center
http://people.arsc.edu/~morton/


On Fri, May 4, 2012 at 2:47 AM, Young, Jeremy, K <
jeremy.young868 at topper.wku.edu> wrote:

> Hey Bart,
>
> Since it wasn't the start and end date giving you problems, the other
> likely culprit would be that the restart file itself was generated from a
> time period outside of the start and end date that you've listed in the
> namelist.  The way I understand the restart variable is that it generates a
> wrfrst file at the end of each interval specified in the namelist.  That
> is, your restart interval is 18000 seconds, meaning that after 5 minutes
> from your start time, a restart file is generated.  As your namelist sits
> now, you're trying to use a restart file that has no data for the 5 minute
> period you're trying to model, but has data for the next 5 minute period
> (assuming that the wrfrst file came from another run with the same start
> and end date).
>
> How long was your original model run that generated the restart file?  As
> long as it was longer than, say 10 minutes, you should be able to use the
> restart file.
>
> Jeremy
> -----Original Message-----
> From: Bart Willems [mailto:bwi565 at gmail.com]
> Sent: Thursday, May 03, 2012 9:34 PM
> To: Young, Jeremy, K
> Cc: wrf-users at ucar.edu
> Subject: Re: [Warf-users] Error opening restart file for ARSC WRF
> Benchmark Suite
>
> Hey Jeremy,
>
> same result:
>
>  -------------- FATAL CALLED ---------------
>  FATAL CALLED FROM FILE:  <stdin>  LINE:     211
>  program wrf: error opening   wrfrst_d01_2009-12-20_00:00:00 for reading
>  -------------------------------------------
>
> The revised section of the namelist file is
>
>  &time_control
>  run_days                            = 0,
>  run_hours                           = 0,
>  run_minutes                         = 5,
>  run_seconds                         = 0,
>  start_year                          = 2009, 2000, 2000,
>  start_month                         = 12,   01,   01,
>  start_day                           = 20,   24,   24,
>  start_hour                          = 00,   12,   12,
>  start_minute                        = 00,   00,   00,
>  start_second                        = 00,   00,   00,
>  end_year                            = 2009, 2000, 2000,
>  end_month                           = 12,   01,   01,
>  end_day                             = 20,   25,   25,
>  end_hour                            = 00,   12,   12,
>  end_minute                          = 05,   00,   00,
>  end_second                          = 00,   00,   00,
>  interval_seconds                    = 21600
>  input_from_file                     = .true.,.false.,.false.,
>  history_interval                    = 180,  60,   60,
>  frames_per_outfile                  = 1, 1000, 1000,
>  restart                             = .true.,
>  restart_interval                    = 18000,
>  io_form_history                     = 2
>  io_form_restart                     = 2
>  io_form_input                       = 2
>  io_form_boundary                    = 2
>  debug_level                         = 0
>  /
>
> Thanks,
> Bart
>
> On Thu, May 3, 2012 at 8:03 PM, Young, Jeremy, K <
> jeremy.young868 at topper.wku.edu> wrote:
> > Hey Bart,
> >
> >  I think I see a problem in your namelist.  Your run time is only 5
> minutes, but your start and end date cover a time period of 3 hours.  I'd
> try changing this first to match your desired run time.
> >
> > Jeremy Young
> >
> > -----Original Message-----
> > From: wrf-users-bounces at ucar.edu [mailto:wrf-users-bounces at ucar.edu]
> > On Behalf Of Bart Willems
> > Sent: Thursday, May 03, 2012 4:32 PM
> > To: wrf-users at ucar.edu
> > Subject: [Wrf-users] Error opening restart file for ARSC WRF Benchmark
> > Suite
> >
> > Dear All,
> >
> > I 'm encountering a problem running the 9km case of the
> http://weather.arsc.edu/BenchmarkSuite/ WRF benchmark suit. I modified
> some of the variables in namelist.input to get wrf.exe to start up, but it
> exits quickly with an error opening the restart file:
> >
> >
> > -------------- FATAL CALLED ---------------
> >  FATAL CALLED FROM FILE:  <stdin>  LINE:     211
> >  program wrf: error opening   wrfrst_d01_2009-12-20_00:00:00 for
> > reading
> >  -------------------------------------------
> >
> > The restart file is present and accessible on the file system. This
> happens both with and without MPI and for WRF versions 3.1.1 and 3.3.1. My
> namelist.input file is included below. Any guidance on how to get past this
> would be most appreciated.
> >
> > Thanks!
> > Bart
> >
> >
> >  &time_control
> >  run_days                            = 0,
> >  run_hours                           = 0,
> >  run_minutes                         = 5,
> >  run_seconds                         = 0,
> >  start_year                          = 2009, 2000, 2000,
> >  start_month                         = 12,   01,   01,
> >  start_day                           = 20,   24,   24,
> >  start_hour                          = 00,   12,   12,
> >  start_minute                        = 00,   00,   00,
> >  start_second                        = 00,   00,   00,
> >  end_year                            = 2009, 2000, 2000,
> >  end_month                           = 12,   01,   01,
> >  end_day                             = 20,   25,   25,
> >  end_hour                            = 03,   12,   12,
> >  end_minute                          = 00,   00,   00,
> >  end_second                          = 00,   00,   00,
> >  interval_seconds                    = 21600
> >  input_from_file                     = .true.,.false.,.false.,
> >  history_interval                    = 180,  60,   60,
> >  frames_per_outfile                  = 1, 1000, 1000,
> >  restart                             = .true.,
> >  restart_interval                    = 18000,
> >  io_form_history                     = 2
> >  io_form_restart                     = 2
> >  io_form_input                       = 2
> >  io_form_boundary                    = 2
> >  debug_level                         = 0
> >  /
> >
> >  &domains
> >  time_step                           = 30,
> >  time_step_fract_num                 = 0,
> >  time_step_fract_den                 = 1,
> >  max_dom                             = 1,
> >  s_we                                = 1,     1,     1,
> >  e_we                                = 675,    112,   94,
> >  s_sn                                = 1,     1,     1,
> >  e_sn                                = 675,    97,    91,
> >  s_vert                              = 1,     1,     1,
> >  e_vert                              = 28,    28,    28,
> >  num_metgrid_levels                  = 27
> >  dx                                  = 9000, 10000,  3333,
> >  dy                                  = 9000, 10000,  3333,
> >  grid_id                             = 1,     2,     3,
> >  parent_id                           = 0,     1,     2,
> >  i_parent_start                      = 1,     31,    30,
> >  j_parent_start                      = 1,     17,    30,
> >  parent_grid_ratio                   = 1,     3,     3,
> >  parent_time_step_ratio              = 1,     3,     3,
> >  feedback                            = 1,
> >  nproc_x                             = -1,
> >  nproc_y                             = -1,
> >  smooth_option                       = 0
> >  /
> >
> >  &physics
> >  mp_physics                          = 6,     3,     3,
> >  ra_lw_physics                       = 1,     1,     1,
> >  ra_sw_physics                       = 1,     1,     1,
> >  radt                                = 10,    30,    30,
> >  sf_sfclay_physics                   = 1,     1,     1,
> >  sf_surface_physics                  = 6,     1,     1,
> >  bl_pbl_physics                      = 1,     1,     1,
> >  bldt                                = 0,     0,     0,
> >  cu_physics                          = 1,     1,     0,
> >  cudt                                = 5,     5,     5,
> >  isfflx                              = 1,
> >  ifsnow                              = 0,
> >  icloud                              = 1,
> >  surface_input_source                = 1,
> >  num_soil_layers                     = 3,
> >  sf_urban_physics                    = 0,
> >  mp_zero_out                         = 0,
> >  maxiens                             = 1,
> >  maxens                              = 3,
> >  maxens2                             = 3,
> >  maxens3                             = 16,
> >  ensdim                              = 144,
> >  slope_rad                           = 0,
> >  topo_shading                        = 0,
> >  /
> >
> >  &fdda
> >  /
> >
> >  &dynamics
> >  w_damping                           = 0,
> >  diff_opt                            = 1,
> >  km_opt                              = 4,
> >  diff_6th_opt                        = 0,
> >  diff_6th_factor                     = 0.12,
> >  base_temp                           = 290.
> >  damp_opt                            = 0,
> >  zdamp                               = 5000.,  5000.,  5000.,
> >  dampcoef                            = 0.01,   0.01,   0.01
> >  khdif                               = 0,      0,      0,
> >  kvdif                               = 0,      0,      0,
> >  non_hydrostatic                     = .true., .true., .true.,
> >  moist_adv_opt                       = 1, 1, 1,
> >  scalar_adv_opt                      = 1, 1, 1,
> >  /
> >
> >  &bdy_control
> >  spec_bdy_width                      = 5,
> >  spec_zone                           = 1,
> >  relax_zone                          = 4,
> >  specified                           = .true., .false.,.false.,
> >  nested                              = .false., .true., .true.,
> >  /
> >
> >  &grib2
> >  /
> >
> >  &namelist_quilt
> >  nio_tasks_per_group = 0,
> >  nio_groups = 1,
> >  /
> > _______________________________________________
> > Wrf-users mailing list
> > Wrf-users at ucar.edu
> > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> >
> >
>
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>



-- 
Voice:  +1 907 450 8679
Arctic Region Supercomputing Center
http://weather.arsc.edu/
http://people.arsc.edu/~morton/ <http://www.arsc.edu/%7Emorton/>
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