= LIGO-KAGRA CDS meeting - 11/16 8am (JST), 11/15 6pm (LLO) = == Connection Info == [[KAGRA/Subgroups/DGS/Meeting/LKAccess|Teamspeak]] (password protected. KAGRA wiki account is necessary to view this page) ---- == Participants == Keith, Jamie, Rolf, Takahiro, Osamu, Kaji, Keiko ---- == Agenda == * KAGRA CDS configuration [[attachment:1116_LKCDS_meeting.pdf|Small material]] (Kokeyama) * Timing issue in KAGRA (Yamamoto) [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=7427|slide]] * CPU MAX issue in KAGRA (Yamamoto) ---- == Minutes == === Timing issues === * Connection from the timing slave may be bad * See the 1PPS signal by a scope * ACS set the trigger at the negative edge - can we check the polarity? * IO chassis is not starting at a good timing * change ADC adapter cards * change cable between timing slave and LIGO large board in IO chassis (loosen cable?) === CPU METER === * We do turn off hyperthreading * Check how many cores - Keith will send the script to check * Version of INTEL sometimes matters * As IO chassis' PCIE GEN1 was discontinued, KAGRA uses GEN2 * One stop card is set to work as GEN1 * BIOS selects GEN1 mode * mother board in IO chassis is for GEN1 but we ---- == Next meeting == LLO - 5PM January 10 2018 KAGRA - 8AM January 11 2018