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Hardware

(:title UJ Rsearch Cluster hardware )

  • 1 Head Node
    • Dell 2950, 2 x 4 Core Xeon Processors
    • 16 GB RAM
    • 900 GB RAID5
    • Scientific Linux 4/64 Bit
    • hosts : NFSv4, Accounts, Torque, Ganglia
      • Replacing Head Node with a higher specced Machine because of the introduction of the new Worker Nodes
      • Then - Updating of Head Node from SL4/VMWare to SL5/Xen is planned
  • Switch
    • Alcatel 6400 Gig Switch
  • Configuration
    • Separate Virtual Machines (VMWare Server) for :
    • OSG CE (1 GB RAM)
    • OSG UI (submit node) (2 GB RAM)
    • gLite CE (1 GB RAM)
    • gLite UI (submit node) (1 GB RAM)
  • Worker Nodes - Phase 1 : 7 nodes x 8 cores each = 56 Cores (March 2009)
    • 7 Worker Nodes comprising :
    • Dell 1425, 2 x 4 Core Opteron Processors
    • 16 GB RAM
    • Scientific Linux 5/64 Bit
    • gLite sw locally installed
    • OSG sw from NFS
  • Worker Nodes - Phase 2 : 4 nodes x 8 cores each - 32 Cores (November 2009)
    • Same machines as previous
    • Testing the SL5/64 install
  • Storage' (since Novmber 2009)
    • 1 x Dell MD1000 Storage shelf (7TB raw) connected to a SE.
    • SE is a Dell 1425, 2 x 4 Core Opteron Processors
    • 16 GB RAM
  • Worker Nodes - Phase 3 : 16 nodes of 12 cores each = 192 Cores (June 2010)
    • New Worker Nodes comprising :
    • 16 x Blades on a Dell M605 blade chassis with 2 x 6 Cores, 32GB Ram per blade (AMD)
    • Scientific Linux 5/64 Bit

Total Cores in Worker Nodes --> 280

  • Data Centre Infrastructure
    • Cooling
      • Green Initiative
      • Cooling - 8kW/rack
      • APC In-Row Cooling Racks Installed
      • Hot isle containment system
      • Down-blow AC units air cooled to 1 C
      • Operating Temperature Increased from 15C to 19C
  • UPS
    • Battery Facility 400kwh
      • Generator 400kW
  • Expansion Capacity
    • Reserved - 3 additional racks
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Page last modified on July 02, 2010, at 10:59 AM