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ALMA Integrated Computing Team Coordination & Planning Meeting #3 Socorro, 17-19 June 2014. ACA planning Manabu Watanabe, George Kosugi NAOJ. Porting RH6.5/64-bit to ACACORR. build of ACACORR is passed both on RH5.5/32-bit and on RH6.5/64-bit for 2014.2.

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alma integrated computing team coordination planning meeting 3 socorro 17 19 june 2014

ALMA Integrated Computing TeamCoordination & Planning Meeting #3 Socorro, 17-19 June 2014

ACA planning

Manabu Watanabe, George Kosugi

NAOJ

porting rh6 5 64 bit to acacorr
Porting RH6.5/64-bit to ACACORR
  • build of ACACORR is passed both on RH5.5/32-bit and on RH6.5/64-bit for 2014.2.
  • ACACORR runs on RH6.5/64-bit without failure, but…
    • The data structure and numbers in the BDF for RH6.5/64-bit are different from those for RH5.5/32-bit.
    • Now, we are trying to find the origin of the differences.
  • We currently have dual test environments, one for RH5.5/32-bit and the other for RH6.5/64-bit.
    • Until when should the dual environments last?
replacement of aca computers 1
Replacement of ACA computers (1)
  • Current Fujitsu RX300S3 will be replaced with new Fujitsu RX100S8.
    • COJ-CC-1, COJ-CPM-1, COJ-CPN-0xx will be upgraded.
    • COJ-DMC-1 will not be upgraded.
  • G9XE, a custom made PCI-X/PCI-express conversion box, should be installed at the same time.
    • G9XE is stably working since February 2014 in Japan.
    • 4 G9XEs for 4 quadrants.
  • A prototype system for 1Q was setup in NAOJ
    • The feasibility of the plan will be established by proof before deployment at AOS.
prototype for 1q in naoj front
Prototype for 1Q in NAOJ (front)

COJ-CC-1

COJ-CPM-1

COJ-CPN-001

COJ-CPN-002

COJ-CPN-003

COJ-CPN-004

COJ-CPN-005

COJ-CPN-006

COJ-CPN-007

COJ-CPN-008

G9XE

prototype for 1q in naoj rear
Prototype for 1Q in NAOJ (rear)

COJ-CC-1

COJ-CPM-1

COJ-CPN-001

COJ-CPN-002

COJ-CPN-003

COJ-CPN-004

COJ-CPN-005

COJ-CPN-006

COJ-CPN-007

COJ-CPN-008

G9XE

test status of the new computers
Test status of the new computers
  • COJ-CC-1 (real-time OS)
    • RX100S8 runs on kernel-2.6.29.4-rtos-3.7.1
    • RX100S8 receives 48ms TE signals with PEX-466102 (a new RS485 IF card) which is installed on a PCI-express bus and RX100S8 runs in HARD mode.
    • RX100S8 runs with an external network interface card (E1G42ET) which is installed on a PCI-express bus.
  • COJ-CPM-1/COJ-CPN-0xx (Standard OS)
    • RX100S8 runs on kernel-2.6.18 (RH5.x/32-bit)
    • RX100S8 receives spectral data stably from the ACA correlator through G9XE.
  • Integration test with HWbegins in NAOJ this month.
replacement of aca computers 2
Replacement of ACA computers (2)
  • Operation of ACA correlator at AOS should be stopped for deployment and testing of the new system.
    • It takes 5 days by a provisional estimation.
    • Is February 2015 best time to do?
    • RH5.x/32-bit or RH6.x/64-bit at that time?
  • Further details are described in the plan document.
    • The document will be available in a couple of weeks.
software development
Software development
  • 4-bit linearity correction for 2014.2: ICT-3118
    • CDP makes a correction for the nonlinearity at the 4-bit quantizer in the ACA correlator.
  • 3-bit linearity correction will be upgraded in Feb.2015.
    • The ACA correlator will have a type of the digital baseband power meter inside which publishes the baseband power detected at DTSRs every 16ms or hopefully every 1ms.
    • Then CDP uses the baseband power to make 3-bit linearity correction per integration: CSV-2810
  • CDP may take over FPS (Frequency profile synthesis)
    • depending on the discussion of the next session….
  • hastings, the log message analysis tool, is under study.