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

Re: 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 08:49:49 -0500 (CDT)
From: David Wojtowicz <address@hidden>
To: "C. Vandersip" <address@hidden>
Subject: Re: Problem with "data2": Good connection, No Data


For some reason, we were only getting a trickle from thelma.ucar.edu.
More seems to be coming in now though.

--david

On Tue, 25 May 1999, C. Vandersip wrote:
> 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
> > --------------------------------------------------------
> > 
> > 
> > 
> 
> 

--------------------------------------------------------
 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
--------------------------------------------------------