[MITgcm-support] gluemnc and nc file restart

[Jean-Michel Campin]

Hi Xiao,

I would recommend not to use NetCDF pickup-files
but instead plain binary pickup-file (faster IO, safer restart 
and with more options, e.g., restarting from global pickup file),
and to to use MNC for other input/output file. 
This is how are set-up all the 
verification experiments that uses MNC, e.g., in:
verification/tutorial_barotropic_gyre/input/data.mnc
> pickup_write_mnc=.FALSE.,
> pickup_read_mnc=.FALSE.,

Cheers,
Jean-Michel

On Tue, Jul 19, 2011 at 12:44:40PM -0400, xiao at cims.nyu.edu wrote:
> Hi,
> 
> I am trying to restart my simulation from a pickup file. I have a couple
> of questions regarding MNC output.
> 
> 1. When I ask for netCDF output (I tried both outputTypesInclusive=.TRUE.
> and outputTypesInclusive=.FALSE.). And I restart my simulation from a
> pickup file. No matter whether the pickup file is netCDF or .meta&.data
> file, it gives me an error messages:
> 
> (PID.TID 0001.0001) *** ERROR *** MNC ERROR: variable 'RC' is already
> defined in file 'grid.t151.nc' but using a different grid shape
> 
> 2. When I try to use gluemnc to do:
>      gluemnc grid.*.nc
>   it gives me:
>      no Y-coordinate found
>      cannot continue
> 
> But for the first quesiton above, I found that if the directory ONLY
> including the pickup*.nc file, it can do restart. I think the problems
> come from the grid*.nc file but I do not know why and how to deal with it.
> 
> Could anyone give me any suggestions?
> 
> Thank you,
> Xiao Xiao
> 
> 
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