jgfs_marine_prep_fsm ecf (v17) Analysis

jgfs_marine_prep_fsm.ecf (GFS v17)

Branch / tenant: dev/gfs.v17 (gw_v17) Path: ecf/scripts/gfs/prep/marine/jgfs_marine_prep_fsm.ecf Analysis date: 2026-06-11

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Summary

jgfs_marine_prep_fsm.ecf is the File/Segment Manager (FSM) for the marine prep task. It monitors the marine prep execution and coordinates with ecFlow to release dependent marine DA tasks when ocean observation data becomes available. It calls JGLOBAL_FSM.

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1. Resources & Configuration

Field	Value
PBS resources	1 node, 1 cpu, 20 GB, 6-hour wall, shared
Modules	Direct: intel, craype (minimal)
J-Job	JGLOBAL_FSM
Exports	WGF="%WGF%", RJN="%RJN%"

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2. v17-specific notes

• Shared FSM pattern: same JGLOBAL_FSM as jgfs_fcst_fsm and jgfs_atmos_prep_fsm.
• Direct module loads — minimal footprint.
• Long walltime (6 hours) — stays alive to monitor marine prep.
• Coordination role only — no data products.

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Sources

• On-disk v17: ecf/scripts/gfs/prep/marine/jgfs_marine_prep_fsm.ecf.