Jim and Dave.

The SUS team brought a DAQ problem to our attention. When viewing minute trends vs second trends for a time period covering yesterday morning/afternoon the two plots did not have the same data. The minute trends are complete, the second trends have data loss. We determined the second trends showed data up to the DAQ restart at 12:36PST and then for part of the last hour. Strangely, only channels from the FE computers showed this data loss, channels from the EDCU showed second trend data over the entire time period. If the second trend time period does not include the DAQ restart, data is shown (i.e. no data is actually lost). Jim determined that this appears to be an NDS and not a dataviewer problem, we are investigating. The work around is to get the second trends in two requests, up to the DAQ shutdown (12:30 PST) and from the DAQ restart (12:40PST).