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[LDM #OGC-117993]: Failed to get data from idd.cise-nsf.gov

Hi David,

re:
> For the last few hours, our LDM server (rcz006.ust.hk) has
> failed to get any data from idd.cise-nsf.gov server. In the
> /var/log/messages file, I keep seeing these messages:
> 
> ...
> Feb 02 07:35:16 rcz006 idd[2577] ERROR: Terminating due to LDM failure; 
> Connection to upstream LDM closed
> Feb 02 07:35:16 rcz006 idd[2577] NOTE: LDM-6 desired product-class: 
> 20070202063516.612 TS_ENDT {{IDS|DDPLUS,  ".*"}}
> Feb 02 07:35:21 rcz006 idd[2577] NOTE: Upstream LDM-6 on idd.cise-nsf.gov is 
> willing to be a primary feeder
> Feb 02 07:36:28 rcz006 idd[2577] ERROR: Terminating due to LDM failure; 
> Connection to upstream LDM closed
> Feb 02 07:36:29 rcz006 idd[2577] NOTE: LDM-6 desired product-class: 
> 20070202063629.570 TS_ENDT {{IDS|DDPLUS,  ".*"}}
> Feb 02 07:36:30 rcz006 idd[2577] NOTE: Upstream LDM-6 on idd.cise-nsf.gov is 
> willing to be a primary feeder
> Feb 02 07:38:03 rcz006 idd[2577] ERROR: Terminating due to LDM failure; 
> Connection to upstream LDM closed
> Feb 02 07:38:05 rcz006 idd[2577] NOTE: LDM-6 desired product-class: 
> 20070202063805.988 TS_ENDT {{IDS|DDPLUS,  ".*"}}
> Feb 02 07:38:10 rcz006 idd[2577] NOTE: Upstream LDM-6 on idd.cise-nsf.gov is 
> willing to be a primary feeder
> ..
> 
> Can someone help?

I am not sure why rcz006 is not able to receive data from idd.cise-nsf.gov at 
the moment.
I see numerous errors in the ~ldm/logs/ldmd.log file on idd.cise-nsf.gov of the 
sort:

Feb 02 07:45:25 atm.cise-nsf.gov rcz006.ust.hk(feed)[21357] NOTE: feed or notify
 failure; HEREIS: RPC: Unable to send; errno = Broken pipe

I have just initiated an LDM restart on idd.cise-nsf.gov to see if this might 
clear
the problem you are seeing (although I doubt if it will help).

After the restart:  I still see the same kind of 'Unable to send' messages in
the ldmd.log file on idd.cise-nsf.gov

In order to get you going again AND test to see if the problem is at/near
idd.cise-nsf.gov or your machine, please do the following:

- replicate every ~ldm/etc/ldmd.conf request line you have for idd.cise-nsf.gov
  replacing idd.cise-nsf.gov with idd.unidata.ucar.edu.  After the change, you
  will have duplicate request line(s): one to idd.cise-nsf.gov and the other(s)
  to idd.unidata.ucar.edu

- after making the additions to your ldmd.conf file, you need to restart your 
LDM:

ldmadmin stop
ldmadmin start

If data starts flowing to your machine, then the problem is at/near 
idd.cise-nsf.gov.
If it does not, the problem is somewhere closer to your machine.

> Thanks

No worries.  Please let us know if adding the redundant feed requests clears 
your
problem.

Cheers,

Tom
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Ticket Details
===================
Ticket ID: OGC-117993
Department: Support LDM
Priority: Normal
Status: Closed