david.barker@LIGO.ORG - posted 07:52, Wednesday 18 March 2020 - last comment - 09:55, Wednesday 18 March 2020(55671)
lock loss alert system not running
The Lock Loss Alert system medm is not updating, its last time stamp was 02:59:59 PDT this morning. I'm investigating.
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I found the bug introduced when I added the supernova subclass of guardian alerts, I've fixed the code and restarted it. Because we were still in a guardian alert state, the code was immediately tested and it sent out the grd alerts with no problems.
Guardian automatically put H1 back into observing early this morning. The attached 12 hour trend shows H1-range, IFO-STATE (100=observe) and the IFO_NOTIFY (20=active, 30=grd_alert). About an hour after H1 went out of observation at 3am, guardian restored observation after resolving the issue.
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