[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Problem with "data2": Good connection, No Data (fwd)


===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================

---------- Forwarded message ----------
Date: Tue, 25 May 1999 09:38:26 -0400 (EDT)
From: "C. Vandersip" <address@hidden>
To: David Wojtowicz <address@hidden>
Subject: Problem with "data2": Good connection, No Data

David,

Just checked LDM and noticed only a tiny trickle of DDPLUS data coming our
way from "data2" since 0349 EDT.  Again, LDM did not fail over here
because our connection to you is still good.  have manually switched over
to blueskies at umich.  Though you should know.

Chris

         ###############################################################
         #                      Chris Vandersip                        #
         #        Computer Research Specialist/Asst. Sysadmin          #
         #  Rm. 024, Dept. of Meteorology, Florida State University    #
         #          address@hidden   (850)644-2522                     #
         ###############################################################

On Fri, 21 May 1999, David Wojtowicz wrote:

> 
> Hi,
> 
>   Sorry for the delayed response.  I keep hacker's hours (roughly
> noon to midnight) so I don't always see the problems at 8AM.
> 
>   For the record, the current configuration at UIUC is this:
> 
>   All upstream data sources come into squall.atmos.uiuc.edu
> This includes WMO from thelma and MCIDAS from unidata.ssec.wisc.edu.
> This machine also runs pqact for local data storage.
>   
>   data2.atmos.uiuc.edu is downstream of squall and is dedicated
> to relay to other downstream nodes.  It does not run pqact or
> anything else of significance so can dedicate all its resources to relaying.
> 
> As for the current problems...
> 
>  squall was up and running and has apparently recieved all the data.
> 
>  data2 was also up and running and was connected to several downstream
> nodes.  However, I did notice several queue corruption messages in
> the logs, so perhaps this was preventing data from getting through.
> I have rebuilt the queue and restarted.  Hopefully that will help.
> Strange, normally data2 is pretty reliable.  If there's a problem
> its usually due to some external factor like networking, etc.
> 
>  
> 
> --------------------------------------------------------
>  David Wojtowicz, Research Programmer/Systems Manager
>  Department of Atmospheric Sciences Computer Services
>  University of Illinois at Urbana-Champaign
>  email: address@hidden  phone: (217)333-8390
> --------------------------------------------------------
> 
> 
>