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By default, old restart files are automatically deleted. This is advisable because the files can be very large. One restart file at T1279 is approx 500Mb when using 128 MPI tasks, giving a total restart file requirement of approx 64Gb. Changing this behaviour is not possible via NAMRES. Instead, edit the file ifs/setup/sures.F90 and change the default value of LDELRES to TRUE.
Restart namelist
A file, 'rcf' will be created by the model at the point when the restart files are written. This file contains the NAMELIST that informs the model what it needs to know to restart the model.
Do not delete this file otherwise the model will be unable to restart - regardless of whether the actual restart files (those beginning with srf) are present.
Conversely, if you don't want to run a restart but want to repeat the run, do delete the rcf file (and the srf files).
Model code
The key subroutines for restarts are:
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wrresf.F90 - calls the I/O subsystem to write out the model arraysrestart files. If you add more arrays to the model and want them to appear in restart files, change this routine.
reresf.F90 - calls the I/O subsystem to read the restart files. Counterpart to wrresf.F90. Any changes to wrresf must be mirrored by changes to reresf.F90.
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