Reports until 12:21, Tuesday 03 October 2017
H1 DAQ (CDS)
david.barker@LIGO.ORG - posted 12:21, Tuesday 03 October 2017 (38869)
DAQ restarts associated with today's model changes

The ASC, SUS and ISI model changes required a DAQ restart, which I did in two stages.

The first DAC restart at 10:34 followed restarts of the models h1asc, h1ascimc, h1isiham2. The ASC restarts were to resync the models with the modified H1.ipc file for the SHMEM IPC channels between h1ascimc (sender) and h1asc (receiver).

I took the opportunity during this restart to reboot h1tw1 which had been running in excess of its 208.5 day limit.

The second DAC restart at 11:33 followed the restarts of the models h1isiham[3,4,5], h1sus[mc2, srm].

I renamed the partial second trend files for both restarts to correct the NDS1 second trend plots which span this time region. For those interested, the attached plot shows a two hour second trend of a model's cpu usage before, during and after this frame file correction. The left plot shows the data dropping out after 30 minutes as an incorrect channel is substituted. The middle plot shows the 30min mark fixed (replaced with a 10 min gap) but a data drop at the 90 min mark. The right plot shows contiguous data excpet for the two 10 minute gaps.

Images attached to this report