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LHCb Run News

LHCb Run News . 15/08/2012 M. Needham. Yesterday. Machine setup after ALICE polarity change and CMS recovery Loss maps at injection in the morning, cryo loss early afternoon took until evening to recover Overnight more machine setup

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LHCb Run News

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  1. LHCb Run News 15/08/2012 M. Needham

  2. Yesterday • Machine setup after ALICE polarity change and CMS recovery • Loss maps at injection in the morning, cryo loss early afternoon took until evening to recover • Overnight more machine setup • Realigning our TDI this morning. [Our BCM triggered dump around 08:00]

  3. Yesterday: Mishaps Many problems, mainlyrelated to online intervention on controls PCs Quite painful to recover in some cases • Tell1 ethernet errors from many IT and TT Tell1s (fixed itself whilst experts investigated ?) • Warning messages related to Calo crates • VeloHV drivers had to reinstalled several times. Tell1 projects corrupted • RICH OPC servers needed to be restarted • Accidental ‘veto’ handshake state on Big Brother due to mis-clicking by shifter • TT cooling plant temperature too high warning (plant recirculated) • Muon DAQ configuration problems both yesterday afternoon this evening

  4. Today • Ensure system is really back up • Piquets to comment during round table • Take data !

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