[MITgcm-support] using netcdf pickup files

Bruno Deremble bruno.deremble at ens.fr
Mon Jul 17 15:07:53 EDT 2017


can you send me the SIZE.h that works and the one that doesn't work?

bruno


On Monday, Jul 17 2017, 14:56:08, Martin Losch <Martin.Losch at awi.de> wrote:
> Sandy,
>
> I personally would never use netcdf for pickups (I always have pickup_write_mnc=.FALSE.,), because there are usually more problems associated with then without; also with useSingleCPUio the mds pickup files are all in one file (per pkg) and you can restart from this file with a different number of CPUs (if required), something that’s not possible with netcdf (yet).
>
> However, in your case you probably want to put all pickup*.nc into the work directory (where you run your mitgcmuv) and set
> mnc_use_indir=.FALSE., (I believe that’s the default)
> as you have probably figured out yourself by now
>
> Martin
>
>> On 14. Jul 2017, at 16:26, Sandy.Gregorio at uqar.ca wrote:
>> 
>> Hi,
>> 
>> I am trying to start a run from pickup files using netcdf output data.
>> 
>> mitgcmuv is in my exp_directory while my pickup files are in sub-directories mnc_global4_**** with names  pickup.0004000000.t***.nc
>> 
>> In my data file, I changed nIter0 to 4000000
>> 
>> I modified my data.mnc to:
>> 
>>  mnc_echo_gvtypes=.FALSE.,
>>  mnc_use_indir=.TRUE.,
>>  mnc_use_outdir=.TRUE.,
>>  mnc_indir_str='mnc_global4_',
>>  mnc_outdir_str='mnc_global4_',
>>  mnc_outdir_date=.FALSE.,
>>  monitor_mnc=.TRUE.,
>>  timeave_mnc=.TRUE.,
>>  snapshot_mnc=.TRUE.,
>>  pickup_write_mnc=.TRUE.,
>>  pickup_read_mnc=.TRUE.,
>> 
>> It doesn't work. Do I need to move my pickup files to my main directory containing mitgcmuv (and set mnc_use_indir to FALSE) and do I need to rename them?
>> 
>> Thanks for your help :)
>> 
>> Sandy
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>
>
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