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Unidata / LDM

The Unidata Local Data Manager (LDM) system includes network client and server programs designed for event-driven data distribution, and is the fundamental component of the Unidata Internet Data Distribution (IDD) system.
http://www.unidata.ucar.edu/software/ldm
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Periodic missing satellite sectors #129

Open corepuncher opened 3 months ago

corepuncher commented 3 months ago

LDM 6.14.5 on Debian

Issue: Despite a strong signal, on some days we get missing satellite sectors, especially goes channel 02 / VIS. Other channels like 09 and 14 always arrive. Seems between 12-18Z are the most common times for this to occur.

For example, this file may be missing: TIRE02_KNES_031416_PAI.nc

Other places online do not show the missing sector.

Any ideas what may be happening?

Does LDM have any sort of retry mechanism, or, perhaps a way to prioritize data types, assuming it could be a processing issue?

Have you ever heard of this issue?

Here is our pqact.goes: 

# CONUS VIS
NOTHER  ^(TIRE02) (....) (......) (...)
        PIPE    -close  /home/ldm/scripts/goes/goes_stitch.py /mnt/data/goes16/incoming/02/\1_\2_\3_\4.nc
sebenste commented 3 months ago

Try upgrading to 6.15.0. It fixed that issue for me. Using Ubuntu 22.04.

corepuncher commented 3 months ago

Try upgrading to 6.15.0. It fixed that issue for me. Using Ubuntu 22.04.

Excellent! Thank you Mr. Sebenste. Hopefully it goes smoothly, I"m always afraid something will get overwritten.