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20040520: HDS from thelma

>From: "Arthur A. Person" <address@hidden>
>Organization: Penn State Univesity
>Keywords: 200405201622.i4KGMhtK009788 IDD HDS

Hi Art,

>After ingesting HDS data from atm.geo.nsf.gov for a few weeks, I switched
>back to thelma this morning, but data didn't flow.  I've now switched back
>to atm.geo.nsf.gov and the data seems to be flowing again.  I got the
>following in the ldmd log:
>
>May 20 12:32:10 ldm thelma[30108]: Starting Up(6.0.14): thelma.ucar.edu: 
>TS_ZERO TS_ENDT {{SPARE|HDS,  ".*"}} 
>May 20 12:32:10 ldm thelma[30108]: Desired product class: 
>20040520123202.016 TS_ENDT {{SPARE|HDS,  ".*"}} 
>May 20 12:32:11 ldm thelma[30108]: Connected to upstream LDM-6 
>May 20 12:32:11 ldm thelma[30108]: Product reclassification by upstream 
>LDM: 20040520123202.016 TS_ENDT {{SPARE|HDS,  ".*"}} -> 20040520123202.016 
>TS_ENDT {{SPARE,  ".*"}} 
>May 20 12:32:12 ldm thelma[30108]: Upstream LDM is willing to feed 
>May 20 15:57:44 ldm thelma[30108]: SIGINT 
>
>Any idea why thelma wasn't feeding?

I checked the ldmd.log file on thelma and see that your request was
restricted to be just SPARE:

May 20 12:32:11 thelma.ucar.edu ldm[7957]: ldm6_server.c:140: Restricting 
request: 20040520123202.016 TS_ENDT {{SPARE|HDS,  ".*"}} -> 20040520123202.016 
TS_ENDT {{SPARE,  ".*"}}

Exactly why this happened I can't say for sure at the moment.  You
should be allowed to receive any non-restricted feed based on
a global allow for .edu sites:

allow   ANY-WSI-NLDN    "\.edu$"

Apparently, a more specific rule allowing for CONDUIT or SPARE was
used instead of the more general one:

allow   CONDUIT|SPARE   ^[a-z].*\.meteo\.psu\.edu$

I wonder if you would be allowed if your request did not include the
SPARE feed.  I see that ldm.meteo.psu.edu _is_ getting a feed of
DIFAX, FSL2, and IDS|DDPLUS from a request that did not include SPARE:

May 20 12:32:11 thelma.ucar.edu ldm(feed)[7956]: up6.c:331: Starting 
Up(6.0.14/6): 20040520123201.986 TS_ENDT {{DIFAX|FSL2|IDS|DDPLUS,  ".*"}}

Let' see what Steve Emmerson has to say about this...

Tom
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>From address@hidden  Thu May 20 11:22:44 2004

Steve, Tom,

On Thu, 20 May 2004, Unidata Support wrote:
> 
> Art,
> 
> Take the "SPARE" feedtype out of your request for HDS. It is causing a
> more restrictive access control set to be invoked. There isn't any data
> in the SPARE feed to request at any rate.

It would seem to have something to do with "SPARE".  I was in making some
changes this morning and decided to do some other cleanup, which included
turning separate requests for "HDS" and "SPARE" into one request.  I
didn't know whether anything still came in on "SPARE" yet or not.  I'll
just eliminate "SPARE" and try again.

                                   Thanks.

                                     Art.