[evla-sw-discuss] C125660

Pat Van Buskirk pvanbusk at nrao.edu
Mon Oct 5 10:46:09 EDT 2009


How should we handle idcaf errors during Widar tests?

Cheers,
Pat


Ken Sowinski wrote:
> On Mon, 5 Oct 2009, Jim Ogle wrote:
> 
>> Work status on work order number C125660 is OPEN / AFFECTS DATA
>>
>> Work Requested:  Failure-I was running CO555ed (a WIDAR File) with a
>> CALSUR_X07hr_7.evla. When the CALSUR program changed to another CALSUR
>> program, my F10 stopped and there was an alert that says Vispipe Data
>> Size (too large). I waited 3 minutes, to go back to "Normal". I followed
>> Kens IdCaf instructions, but to no avail. I then stopped both scripts as
>> per Sowiniskis (idcaf/d10 complaints and failures) instructions.  I
>> started Xsysstart. My F10 started working again and the Alert message
>> went away. I loaded C0555ed up again and the similar thing happened,
>> this time with Sysstartx. The same thing happened (the F10 stopped and
>> the VISPIPE error message came back). I then Restarted Idcaf and ran
>> Xsysstart. It ran fine. I first called Sowinski and apprised him of the
>> situation. He said Rupens file had nothing to do with IdCaf.  He asked
>> me if I was running anything now, and I replied, I am running only
>> C0555ed.evla (I was suspecting the reoccurrence of the same exact
>> problem; mainly the F10 stopping giving CALSUR readings and unexpected
>> dumping of CALSUR data which caused the problem) (Visipipe).   Rupen put
>> in his instructions "Feel free to run anything you wish using the rest
>> of the array (e.g., CALSUR is fine)". I tried to call M. Rupen at work,
>> at WIDAR Test Area and his home. I received no answer. I left him a
>> voicemail. I also sent K. Sowinski and M. Rupen an email telling them of
>> the problem. While C0555ed.evla was running, Executor was switching  the
>> non-WIDAR antennas programs it did happen.  I suspect that this WIDAR
>> Test Experiment will have to be redone. Cause unknown, this should be
>> looked at by a tech. SS 15:00 UTC.
> 
> Not a problem.  idcaf is not necessary for Widar observations,
> and observations with the old correlator during Widar tests
> are of secondary importance.  The Widar data looks OK in the
> formal sense that it appeared in the archive.
> 

-- 
An ounce of action is worth a ton of theory.

Friedrich Engels (1820-1895, German social philosopher)



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