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Error running OM4_025

Y

yz3062

Yuxin Zhou
New Member
Hi all, My name is Yuxin and I'm new to MOM6. I'm trying to run the example in MOM6-examples/ice_ocean_SIS2/OM4_025. While running the program, I encountered the following error:

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NOTE: MOM_domains_init: reading maskmap information from INPUT/mask_table.96.32x18
parse_mask_table: Number of domain regions masked in ice model = 96

FATAL: fms_io(parse_mask_table_2d): mpp_npes() .NE. layout(1)*layout(2) - nmask for ice model
----------

My question is related to this post, as this is the same error reported there. However, I couldn't figure out from that post whether the error was resolved or how. Any suggestions would be much appreciated!
 
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Y

yz3062

Yuxin Zhou
New Member
Update: after increasing the number of processes to 480, the issue is resolved. Is 480 processes a prerequisite for running this example?
 
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M

marshallward

Marshall Ward
Member
Looks like you figured it out, but just in case...

Your MPI request needs to account for masked domains, which is in the first line of the mask_table file. So if LAYOUT = 32, 18 and the mask is 96, then you need to request 32*18 - 96 = 480 cpus.
 
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Y

yz3062

Yuxin Zhou
New Member
marshallward said:
Looks like you figured it out, but just in case...

Your MPI request needs to account for masked domains, which is in the first line of the mask_table file. So if LAYOUT = 32, 18 and the mask is 96, then you need to request 32*18 - 96 = 480 cpus.
Click to expand...
Thank you! I appreciate the explanation!
 
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F

Fengyun Luo

New Member
Hi Yuxin, I'm also new to MOM6, and I wanted to check with you—have you managed to get the "ocean_daily.nc" like output files when running the OM4_025 case? I've run the case myself, and even though the diag_table is set up to output these files, I haven't received anything. I'm not sure what step I might be missing here.
 
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Y

yz3062

Yuxin Zhou
New Member
Fengyun Luo said:
Hi Yuxin, I'm also new to MOM6, and I wanted to check with you—have you managed to get the "ocean_daily.nc" like output files when running the OM4_025 case? I've run the case myself, and even though the diag_table is set up to output these files, I haven't received anything. I'm not sure what step I might be missing here.
Click to expand...
The only thing I can think of is to make sure your diag_table is populated. There are multiple diag_tables in the folder with extensions like "diag_table_MOM6". Those aren't read by the model. Only the file exactly named "diag_table" is used, and the default diag_table is empty.
 
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F

Fengyun Luo

New Member
yz3062 said:
The only thing I can think of is to make sure your diag_table is populated. There are multiple diag_tables in the folder with extensions like "diag_table_MOM6". Those aren't read by the model. Only the file exactly named "diag_table" is used, and the default diag_table is empty.
Click to expand...
right, I have renamed the diag_table.MOM6 to diag_table. I have no idea where the problem lies.
 
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