david.barker@LIGO.ORG - posted 11:40, Friday 25 October 2024 - last comment - 17:04, Saturday 26 October 2024(80880)
Slight power glitch Thu 20:38:13 24oct2024 PDT
Jonathan, Dave:
The GC UPS went onto battery power yesterday evening at 20:38 and sent email to sysadmin. The MSR UPS did not send email, it went onto battery power for less than one second. The attached mains_mon trend shows that this glitch was seen in the CS-EBAY, but it was a very slight dip in voltage on two of the phases. Perhaps the glitch was more significant in the GC server area.
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The GC tolerances are set a little tighter. We get far more transition on it that the other UPSs.