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[IDD #KOQ-488225]: LDM: CMC GEM Data Missing

Hi Tom,

re:
> I last received CMC GEM model data for 12Z on 08/18.  Since then the
> messages in the log have been:
> 
> Aug 25 10:12:45 vortex ldm.weather.ec.gc.ca[1015] NOTE: LDM-6 desired
> product-class: 20110824221245.502 TS_ENDT {{GEM,  ".*"},{NONE,
> "SIG=98f8b75352663b9c3d0c7680c8e080db"}}
> Aug 25 10:12:45 vortex ldm.weather.ec.gc.ca[1015] ERROR: Disconnecting due
> to LDM failure; nullproc_6 failure to ldm.weather.ec.gc.ca; RPC: Unable to
> receive; errno = Connection reset by peer
> 
> It seems that the ldm server on this host is down:

Hmm... we REQUEST GEM data from ldm.meteo.ec.gc.ca, not ldm.weather.ec.gc.ca.
But, we are currently unable to get to ldm.meteo.ec.gc.ca:

% ldmping ldm.meteo.ec.gc.ca
Aug 25 18:50:45 INFO:      State    Elapsed Port   Remote_Host           
rpc_stat
Aug 25 18:50:45 INFO: Resolving ldm.meteo.ec.gc.ca to 199.212.17.24 took 
0.002907 seconds
Aug 25 18:50:46 ERROR:  ADDRESSED   0.192868    0   ldm.meteo.ec.gc.ca  RPC: 
Unable to receive; errno = Connection reset by peer

This should mean that there is some problem at CMC.  We will contact folks
there to troubleshoot.

Aside:  it is possible that their problem occurred at the same time (or because 
of)
they contacted us about a problem receiving NEXRAD3 data from us.  That problem
turned out to be something that they found and fixed on their side.  I wonder
if the fix also knocked-out their feeding of the GEM data.

re:
> [325] vortex% ldmping ldm.weather.ec.gc.ca
> Aug 25 13:58:33 INFO:      State    Elapsed Port   Remote_Host
> rpc_stat
> Aug 25 13:58:33 INFO: Resolving ldm.weather.ec.gc.ca to 199.212.17.24 took
> 0.017921 seconds
> Aug 25 13:58:33 ERROR:  ADDRESSED   0.084524    0   ldm.weather.ec.gc.ca
> RPC: Unable to receive; errno = Connection reset by peer
> Aug 25 13:59:08 ERROR:      NAMED  10.019926    0   ldm.weather.ec.gc.ca
> can't contact portmapper: RPC: Timed out
> 
> It looks like everyone else is receiving the GEM data.  Was there a change
> of servers that I missed?

I will need to touch base with Jeff Weber here in Unidata to see if he
has a better handle on the change from ldm.weather.ec.gc.ca to
ldm.meteo.ec.gc.ca.

Cheers,

Tom
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Ticket Details
===================
Ticket ID: KOQ-488225
Department: Support IDD
Priority: Normal
Status: Open