[IDD #SUO-404869]: LDM errors from idd.unidata

Hi Daryl,

re:
> My host metfs1.agron.iastate.edu started getting errors like this from
> idd.unidata on Sunday at 0z:
> 
> Feb 17 00:17:32 metfs1 idd.unidata.ucar.edu[7868] ERROR: Disconnecting due
> to LDM failure; Connection to upstream LDM closed
> 
> Feb 17 00:17:33 metfs1 idd.unidata.ucar.edu[7868] NOTE: LDM-6 desired
> product-class: 20130216231733.809 TS_ENDT {{DDPLUS,  ".*"},{NONE,
> "SIG=73888adb3140746f93
> d4c3ae86a72adb"}}
> 
> Feb 17 00:17:33 metfs1 idd.unidata.ucar.edu[7868] ERROR: Disconnecting due
> to LDM failure; Upstream LDM says we're not allowed to receive requested
> products: 20130216231733.809 TS_ENDT {{DDPLUS,  ".*"},{NONE,
> "SIG=73888adb3140746f93d4c3ae86a72adb"}}
> 
> My ldm had been running since 22 Jan prior to this.  Did something change?

Yes, I upgraded all of the real server backends in the idd.unidata.ucar.edu
cluster to current versions of the LDM on Saturday (5 are currently
running LDM-6.11.3 and one is running LDM-6.10.1).

Question:

- have you checked your REQUESTs on metfs1 to make sure that you are
  not redundantly REQUESTing the DDPLUS datastream?

  Please remember that a DDPLUS request will be redundant if you
  are REQUESTing any of the following:

  WMO         == HRS|IDS|DDPLUS
  UNIDATA     == WMO|UNIWISC
  IDS
  DDS
  PPS
  IDS|DDPLUS

If you are REQUESTing DDPLUS redundantly, removal of the redundancy will
eliminate the disconnecting messages you are seeing.

Cheers,

Tom
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Ticket Details
===================
Ticket ID: SUO-404869
Department: Support IDD
Priority: Normal
Status: Closed