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Cluster Hardware Architecture

 

 

    OCCS HPC Clusters


    • orion 
      • Compute Nodes (32): Sun Fire V20z
        • 2 2.19 GHz AMD Opteron processors
        • 4 GB RAM
        • InfiniBand interface
      • Head Node: Sun Fire V20z
        • 2 2.19 GHz AMD Opteron processors
        • 4 GB RAM
      • InfiniBand 3000 Switch:
        • 32-bit: 532 MB
        • 64-bit: 10654 MB
        • 4X Bi-directional: 2000 MB
      • > 600 GB Scratch Space 
      • Built with Rocks 4.1 (Fuji), CentOS release 4.2

 

    • zorka (New!)
      • Compute Nodes (44 nodes, 224 CPU cores):
        • Standard Compute Nodes (40 nodes, 160 CPU cores): Dell 1950
          • 2 dual-core 2.99 GHz Intel Xeon processors (4 cores)
          • 8 GB RAM
        • "SMP" Compute Nodes (4 nodes, 64 CPU cores): Dell R900
          • 4 quad-core 2.39 GHz Intel Xeon processors (16 cores)
          • 32 GB RAM
        • InfiniBand interface
      • InfiniBand Switch: QLogic 9120
      • Scratch Spaces: 
        • > 9,000 GB Parallel Virtual Filesystem (PVFS2)
        • > 3,000 GB NFS
      • Login Nodes (3): Dell 2950
        • 2 quad-core 2.49 GHz Intel Xeon processors (8 cores)
        • 8 GB RAM
      • Head Node: Dell 2950
      • Built with Rocks 5 (V), CentOS release 5

 

 

 

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