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[LDM #XEI-555875]: LDM request problems

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  • Subject: [LDM #XEI-555875]: LDM request problems
  • Date: Tue, 17 Apr 2012 14:54:43 -0600
Adam,

> I stand corrected....
> 
> NLDN is also working....just didn't want long enough for the product to come
> in/didn't see it right off the bat.
> 
> I have also gotten 2 of these in about the last hour:
> 
> Apr 17 20:03:41 tornado idd.cise-nsf.gov[22276] ERROR: readtcp(): select()
> timeout on socket 5
> Apr 17 20:03:41 tornado idd.cise-nsf.gov[22276] ERROR: one_svc_run(): RPC
> layer closed connection
> Apr 17 20:03:41 tornado idd.cise-nsf.gov[22276] ERROR: Disconnecting due to
> LDM failure; Connection to upstream LDM closed
> Apr 17 20:03:41 tornado idd.cise-nsf.gov[22276] NOTE: LDM-6 desired
> product-class: 20120417190341.076 TS_ENDT {{NEXRAD2|GEM|FNMOC|CONDUIT,
> ".*"},{NONE,  "SIG=2016e9a13c572e6707b0765b466ee2ea"}}
> Apr 17 20:03:41 tornado idd.cise-nsf.gov[22276] NOTE: Upstream LDM-6 on
> idd.cise-nsf.gov is willing to be a primary feeder

In general, message like the above can be ignored unless you get a lot of them. 
They indicate that there was congestion in the network between idd.cise-nsf.gov 
and Tornado.

> Strange thing is, I was running ldmadmin watch -f NEXRAD2 at the time and a
> few products (4 total products from the two reconnects) did come through but
> only at the exact instance the reconnect was made....then it stopped
> again.....strange.....

Would you please send me the output of the command "traceroute 
idd.cise-nsf.gov" executed by the LDM user on Tornado.
 
> Adam

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: XEI-555875
Department: Support LDM
Priority: Normal
Status: Closed