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Detector Operation (Operations Report)
amagazzu - 23:06 Wednesday 01 December 2021 (54069) Print this report
Operator Report - Afternoon shift

The first part of the shift was dedicated to the lock to CARM_NULL started at 13:04 UTC (see report #54067). The lock lasted until 16:42 UTC and, after two following locking attempts, the planned TCS activity (carried out by Nardecchia and Taranto), started at 17:20 UTC. The measurements proceeded for the rest of the shift with the ITF unlocked without major issue.
Activity concluded at 22:05 UTC, infrared cavities left locked.

Other activities carried out during the shift:

  • SGD Green Matching/ Installation of green PBS/ Telescope for AA (Delaurentis, Garaventa, Guo)

No DMS alerts were received during the shift.

Sub-system reports

DAQ
FFLMoni52 crashed at 17:58 UTC and 19:01 UTC. The process was restarted via VPM.

Comments to this report:
masserot, mours - 5:42 Thursday 02 December 2021 (54073) Print this report

The fisrt crash of the FFLMoni52 occurred the 20211130-22h48LT  and several times later until  we found that there is 2 instances of FFL builder for the rds, trend and trend_ll files.

This was possible only because these servers were removed from the Cascina Cm domain using the cm kill command , here the report of the CmNameServer

  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:01 Cm>ResquestKill "FmRds" from cm_1
  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:01 Cm>CmConnectRequestKill> FmRds CmConnect - CmName FmRds, port 28003,  Host olserver53.virgo.infn.it, owner virgorun, socket_id 471 (16384,32768),  local 0, alive 1
  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:13 Cm>ResquestKill "FmTrend" from cm_1
  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:13 Cm>CmConnectRequestKill> FmTrend CmConnect - CmName FmTrend, port 28005,  Host olserver53.virgo.infn.it, owner virgorun, socket_id 476 (16384,32768),  local 0, alive 1
  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:31 Cm>ResquestKill "FmTrend_ll" from cm_1
  • NSNov_30_17_47_50.log:NS> Nov 30 17:52:31 Cm>CmConnectRequestKill> FmTrend_ll CmConnect - CmName FmTrend_ll, port 28007,  Host olserver53.virgo.infn.it, owner virgorun, socket_id 477 (16384,32768),  local 0, alive 1

Please before using the cm kill command check that the related server is not anymore running

 

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