Differences between revisions 14 and 15
Revision 14 as of 2017-11-16 08:11:50
Size: 570
Comment:
Revision 15 as of 2017-11-16 09:48:11
Size: 1372
Comment:
Deletions are marked like this. Additions are marked like this.
Line 8: Line 8:
Line 20: Line 19:

----
== 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


LIGO-KAGRA CDS meeting - 11/16 8am (JST), 11/15 6pm (LLO)

Connection Info

Teamspeak (password protected. KAGRA wiki account is necessary to view this page)


Participants

Keith, Jamie, Rolf, Takahiro, Osamu, Kaji, Keiko


Agenda

  • KAGRA CDS configuration Small material (Kokeyama)

  • Timing issue in KAGRA (Yamamoto) 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

KAGRA/Subgroups/DGS/Meeting/20171116/minute (last edited 2017-11-16 09:48:11 by KeikoKokeyama)