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20011026: working on FSL2 6-minute profiler decoding on weather (cont.)

>From: "David B. Bukowski" <address@hidden>
>Organization: College of DuPage
>Keywords: 200110262029.f9QKT5126387 LDM ldm-mcidas FSL2 decode

Dave,

>you might want to see whats going on with climate.cod.edu also.  all of
>a sudden its giving all these xcd pipe broken errors on the console I
>think its associated with what your doing on weather.

>Am i guessing right?

My stopping and restarting the LDM on weather should have had nothing
to do with an LDM running on climate with the exception that the feed
of data from one to the other would stop while the LDM was not
running.  Since I restarted the LDM, and since the LDM will get
products it missed from its upstream feed site, you should not have
missed any data.

>>From address@hidden Fri Oct 26 15:01:55 2001
>>Subject: Re: 20011026: working on FSL2 6-minute profiler decoding on weather
>
>When u were playing with weather.cod.edu stuff there this is what was
>going on climate.  BUt i see now it was happening before.  Is there
>somthing i'm missing, I'm sure i did all the steps u told me to do as root
>on the system but maybe i missed something
>Oct 14 11:28:08 climate pqact[5365]: pipe_dbufput: xcd_runDDS write error
>Oct 14 11:28:08 climate pqact[5365]: pipe_prodput: trying again
>Oct 14 11:28:08 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:08 climate pqact[5365]: pipe_dbufput: xcd_runDDS write error
>Oct 14 11:28:14 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:15 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:15 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:15 climate pqact[5365]: pipe_dbufput: xcd_runHRS write error
>Oct 14 11:28:15 climate pqact[5365]: pipe_prodput: trying again
>Oct 14 11:28:15 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:15 climate pqact[5365]: pipe_dbufput: xcd_runHRS write error
>Oct 14 11:28:15 climate pqact[5365]: pbuf_flush (4) write: Broken pipe
>Oct 14 11:28:15 climate pqact[5365]: pipe_dbufput: xcd_runHRS write error
>Oct 14 11:28:15 climate pqact[5365]: pipe_prodput: trying again
>thats in the /var/log/debug logs

The 'Broken pipe' errors indicate that pqact's PIPE actions to xcd_run
are failing.  This could be the result of several things:

o xcd_run can't be found
o xcd_run is not executable by the user running the LDM
o the routine that xcd_run runs can't be found
o the routine that xcd_run runs isn't executable by the user running the LDM
o the routine that xcd_run runs is exiting prematurely

Most often, the 'Broken pipe' error occurs when the thing being run can
not write to disk due to file/directory permission errors.

Yesterday afternoon, my ssh sessions to weather (one as 'ldm' the other
as 'mcidas') both froze and my connection was eventually terminated.  I
just tried to ssh to weather, and I get no connection.  Is weather down
now?  If/when it comes back up, I will continue to try and find why the
6-minute profiler data is not being decoded correctly.

Tom

>From address@hidden Sat Oct 27 17:19:48 2001
>Subject: Re: 20011026: working on FSL2 6-minute profiler decoding on weather 
>(cont.)

ok, probably permissions.  Well i'm here at the college now again.  Our
firewall has been flaking out for some reason real bad :/  So i'm gonna be
here pretty much all night and maybe even thru tomorrow figuring it
out.  Ya good luck to me with 2 hours of sleep from last night :)
So weather is running, just is the firewall screwing up now seems like.
-dave