[evlatests] Excessive correlator configurations
Rick Perley
rperley at nrao.edu
Tue Jan 26 10:08:00 EST 2016
The 27-hour 'flux density model' run is completed, and the data
have been downloaded onto lustre. In examining what is there, I have
encountered a strange peculiarity:
The run has 10 unique frequency tunings (one for each band, plus an
extra for the X-band referenced pointing). There should, therefore, be
10 'correlator configurations' in the archive.
In fact, there are 51.
Each of the 10 unique frequency tunings has resulted in 5 to 6
separate, but identical, 'configurations' in the database. I've seen
this behavior once before -- in one of the beam holography runs -- and
the 'fix' was relatively easy: 'DBCON' correctly rejoins the disparate
datasets. There seems to be no loss of data.
But it's a nuisance to have to load 51 separate files, then join
them all together.
What is happening here?
Rick
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