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[SCOOP #CIL-628524]: Re: 20060607: Do you have a minute

Gerry,

> [ldm@sasquatch UFL]$ ll e*/2005/08/*/WANA*nc.gz|grep "Jun  7"
> -rw-rw-r--  1 ldm ldm 69577961 Jun  7 17:27
> e01/2005/08/26/WANAFe01-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70379700 Jun  7 18:08
> e02/2005/08/26/WANAFe02-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70369313 Jun  7 17:20
> e03/2005/08/26/WANAFe03-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70330102 Jun  7 17:40
> e04/2005/08/26/WANAFe04-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70305742 Jun  7 17:59
> e05/2005/08/26/WANAFe05-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 72118890 Jun  7 17:52
> e06/2005/08/26/WANAFe06-UFL_20050826T0000_20050826T0000_20050831T0600_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 69563736 Jun  7 17:46
> e08/2005/08/26/WANAFe08-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 69008118 Jun  7 17:14
> e11/2005/08/26/WANAFe11-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 68875800 Jun  7 17:34
> e11/2005/08/26/WANAFe11-UFL_20050826T0600_20050826T0600_20050831T0600_84gsr1_Z.nc.gz
> 
> 
> ALSO: Here's the text of what Justin Davis sent out last evening after
> inserting these into the queue:
> 
> 11 Wind/Pres and 11 TRK files went out (10 00:00Z and 1 06:00Z).
> Attached is a list of the Wind/Pres files.  Times indicate when we
> downloaded them from LDM.
> 
> jrd
> 
> -rw-rw-r--  1 ldm ldm 69577961 Jun  7 22:08
> WANAFe01-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70379700 Jun  7 22:10
> WANAFe02-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70369313 Jun  7 22:07
> WANAFe03-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70330102 Jun  7 22:09
> WANAFe04-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 70305742 Jun  7 22:09
> WANAFe05-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 72118890 Jun  7 22:09
> WANAFe06-UFL_20050826T0000_20050826T0000_20050831T0600_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 77753968 Jun  7 22:10
> WANAFe07-UFL_20050826T0000_20050826T0000_20050901T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 69563736 Jun  7 22:09
> WANAFe08-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 69608875 Jun  7 22:10
> WANAFe09-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 69008118 Jun  7 22:06
> WANAFe11-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz
> -rw-rw-r--  1 ldm ldm 68875800 Jun  7 22:09
> WANAFe11-UFL_20050826T0600_20050826T0600_20050831T0600_84gsr1_Z.nc.gz

The problem was that UFL's network connection was poor.  You can see this at

    
http://www.unidata.ucar.edu/cgi-bin/rtstats/iddstats_nc?EXP+sasquatch.tamu.edu

Note the spike near 2006-06-07 23:00 UTC.  Any data-products that arrives with
a latency that's greater than the maximum acceptable latency (default 3600
seconds) is ignored.  Note from the above that data-product

    WANAFe02-UFL_20050826T0000_20050826T0000_20050831T0000_84gsr1_Z.nc.gz

was sent around 2006-06-07 22:10 UTC but was received by Sasquatch around
2006-06-07 18:08 CDT (which is about 3480 seconds later).  It seems likely,
therefore, that the two missing products arrived with latencies greater than
3600 seconds.

The "-m" option of ldmadmin(1) can be used to set the maximum acceptable 
latency.

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: CIL-628524
Department: Support IDD SCOOP
Priority: Normal
Status: Closed