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Re: 19991103: lost mcidas data at NM State
- Subject: Re: 19991103: lost mcidas data at NM State
- Date: Wed, 3 Nov 1999 10:37:17 -0700 (MST)
Dave,
Now is the time to contact your network folks or your ISP about this
problem. It appears to be a network problem, maybe a router configuration
was changed etc. Since your are the customer, the network vendor/folks
have to open a trouble ticket or track down the problem.
Robb...
On Wed, 3 Nov 1999, Unidata Support wrote:
>
> ------- Forwarded Message
>
> >To: "D. J. Raymond" <address@hidden>
> >cc: address@hidden
> >From: Jeff Masters <address@hidden>
> >Subject: lost mcidas data at NM State
> >Organization: .
> >Keywords: 199911031706.KAA26969
>
>
> I am seeing network problems between blueskies.sprl.umich.edu and your
> network:
>
> ----heron.nmt.edu PING Statistics----
> 24 packets transmitted, 20 packets received, 16% packet loss
> round-trip (ms) min/avg/max = 2350/2695/3197
>
> blueskies% traceroute kestrel.nmt.edu
> traceroute to kestrel.nmt.edu (129.138.42.31), 30 hops max, 40 byte
> packets
> 1 141.213.23.1 (141.213.23.1) 63 ms 112 ms 46 ms
> 2 141.212.2.6 (141.212.2.6) 3 ms 3 ms 3 ms
> 3 141.213.101.9 (141.213.101.9) 4 ms 4 ms 3 ms
> 4 192.122.183.13 (192.122.183.13) 3 ms 3 ms 2 ms
> 5 198.108.22.225 (198.108.22.225) 3 ms 4 ms 4 ms
> 6 atm2-1-0x6.michnet9.mich.net (198.108.90.66) 4 ms 4 ms 6 ms
> 7 bordercore2-hssi0-1-0.WillowSprings.cw.net (166.48.23.253) 13 ms 15
> ms 31 ms
> 8 corerouter1.WillowSprings.cw.net (204.70.9.135) 18 ms 57 ms 18 ms
> 9 corerouter2.Bloomington.cw.net (204.70.9.148) 87 ms 61 ms 67 ms
> 10 xcore1.Bloomington.cw.net (204.70.150.161) 61 ms 56 ms 74 ms
> 11 nm-state-univ.Bloomington.cw.net (204.70.215.122) 2195 ms 2368 ms
> 2439 ms
> 12 192.65.78.146 (192.65.78.146) 2710 ms 2877 ms 2613 ms
> 13 calle-s2.nmt.edu (129.138.82.3) 2638 ms 2822 ms 2758 ms
> 14 calle-s11.nmt.edu (129.138.82.100) 2883 ms 2889 ms 3058 ms
> 15 kestrel.nmt.edu (129.138.42.31) 3185 ms 3193 ms 3163 ms
>
> Note the big jump in response time between hops 10 and 11; this points to
> problems at the network access point between new mexico state and cw.net.
> I am seeing errors in my ldmd.log file that look like this:
>
> Nov 03 16:25:14 blueskies heron(feed)[20238]: topo: heron.nmt.edu MCIDAS
> Nov 03 16:25:19 blueskies heron(feed)[20238]: LWTOA3 163 DIALPROD=UA 99307
> 15311
> 9: RPC: Unable to receive
> Nov 03 16:25:19 blueskies heron(feed)[20238]: pq_sequence failed: I/O
> error (errno = 5)
>
> Which, I believe, are due to the network problems outlined above.
>
> ------------------------------------------------------------------------------
> Dr. Jeff Masters (address@hidden) ( )
> Chief Meteorologist /\ Home of the ( )
> The Weather Underground, Inc. /\ / \ /\ /\ ( )
> P.O. Box 3605 / \/ \/ \ /\ / \ ------
> Ann Arbor, MI 48106-3605 ______/ / \/ \_ \\\\\
> 734-994-8824 Weather Underground \`\`\
> http://www.wunderground.com
>
>
> On Wed, 3 Nov 1999, D. J. Raymond wrote:
>
> > Hello Jeff and Unidata,
> >
> > I am only getting mcidas satellite images through very sporadically
> > for the past several days. Any idea what is happening? I am
> > continuing to get messages of the type
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > etc...
> >
> > Things sometimes get better temporarily when I restart the ldm, but
> > then quickly degrade. I am running ldm-5.0.6 on Linux. This is a
> > new phenomenon, as things were working well up until a few weeks ago.
> > Could this be a network problem of some kind? I have been running
> > traceroutes every 15 minutes to see if something systematically bad
> > is happening, but nothing jumps out of the data.
> >
> > Dave Raymond
> >
>
>
> ------- End of Forwarded Message
>
===============================================================================
Robb Kambic Unidata Program Center
Software Engineer III Univ. Corp for Atmospheric Research
address@hidden WWW: http://www.unidata.ucar.edu/
===============================================================================