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Tue Oct 17 23:07:52 2017, gautam, Update, CDS, FEs unresponsive
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Wed Oct 18 01:41:32 2017, jamie, Update, CDS, FEs unresponsive
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Wed Oct 18 02:09:32 2017, gautam, Update, CDS, FEs unresponsive
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Wed Oct 18 09:21:22 2017, jamie, Update, CDS, FEs unresponsive
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Wed Oct 18 23:11:53 2017, gautam, Update, CDS, FEs unresponsive
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Message ID: 13385
Entry time: Tue Oct 17 23:07:52 2017
Reply to this: 13386
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Author: |
gautam |
Type: |
Update |
Category: |
CDS |
Subject: |
FEs unresponsive |
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While working on the IFO tonight, I noticed that the blinky status lights on c1iscex and c1iscey were frozen (but those on the other 3 FEs seemed fine). But all other lights on the CDS overview screen were green I couldn't access testpoints from these machines, and the EPICS readbacks for models on these FEs (e.g. Oplev servo inputs outputs etc) were frozen at some fixed value. This lasted for a good 5 minutes at least. But the blinky lights started blinking again without me doing anything. Not sure what to make of this. I am also not sure how to diagnose this problem, as trending the slow EPICS records of the CPU execution cycle time (for example) doesn't show any irregularity. |