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Computer Facilities

Taiwan-ARC has seven computing nodes, which consists of one iMac (almat2) and six Linux machines (almat1, almat3, almat4, almat5, almat6, and almat7). Uruma, a Linux machine which belongs to the SMA project, is also available to ALMA users. almat1 and almat2 (iMac) are located on the 13th Floor observation room. The Lustre File system and the other machines are located in the server room on B3. ALMA software is available on all machines. See the tables below for the specifications of computers and disk arrays available to ALMA users. If you need a user account, please send your request to arcasiaa.sinica.edu.tw. The Lustre File System will be used for data reduction. The NFS disk arrays are used for local data archive storage.


ALMA Computers

  • Click here to see the workload/status of all alma computers.
  Name   System   CPU   Memory   Harddisk
almat1 CentOS
7.2
2x Intel Xeon E5-2687-V4 @ 3.0 GHz
24-core total
512 GB 300 GB
almat2 CentOS
7.2
2x Intel Xeon E5-2667-V4 @ 3.2 GHz
16-core total
256 GB 300 GB
almat3 CentOS
7.2
Two 3.4 GHz
Hexacore
64 GB 12 TB
uruma CentOS
7.2
Two 3.4 GHz
Hexacore
64 GB 20 TB
almat4 CentOS
7.2
Two 3.5 GHz
Hexacore
192 GB 5.2TB (for QA2)
=1.9TB SSD (/data1)
+ 3.3TB SAS (/data2)
almat5 CentOS
7.2
Two 3.5 GHz
Hexacore
192 GB 2TB (/data1)
almat6 CentOS
7.2
Two 3.4 GHz
Hexacore
192 GB 5.2TB (for QA2)
almat7 CentOS
7.2
Two 3.4 GHz
Hexacore
192 GB 5.2TB (for QA2)

ALMA Disk Arrays

  Name   Capacity   Path
Lustre File System 607 TB total capacity. Mounted on ALMA servers via 100Gb/s Infiniband /almalustre
almanfs 48 TB (for local archive) /almad1 and /almad2


Our ALMA and SMA servers, plus the diskarrays and servers for the Lustre File System, in the server room


Schematic of the current Taiwan-ARC computing facility

  • Two presentation slides by Zheng Meyer-Zhao detailing the ARC-Taiwan computing facility: Slide 1 and Slide 2.
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