Below you can find the technical specifications of the OCCAM Supercomputer:

2 Management nodes

  • CPU - 2x Intel® Xeon® Processor E5-2640 v3 8 core 2.6 GHz
  • RAM - 64GB/2133MHz
  • DISK - 2x HDD 1Tb Raid0
  • NET - IB 56Gb + 2x10Gb + 4 x 1GB
  • FORMFACTOR - 1U


32 Light nodes

  • CPU - 2x Intel® Xeon® Processor E5-2680 v3, 12 core 2.5Ghz
  • RAM - 128GB/2133 (8 x 16 Gb)
  • DISK - SSD 400GB SATA 1.8 inch.
  • NET - IB 56Gb + 2x10Gb
  • FORMFACTOR - high density (4 nodes x RU)


4 Fat Nodes

  • CPU - 4x Intel® Xeon® Processor E7-4830 v3 12 core/2.1Ghz
  • RAM - 768GB/1666MHz (48 x 16Gb) DDR4
  • DISK - 1 SSD 800GB + 1 HDD 2TB 7200rpm
  • NET - IB 56Gb + 2x10Gb


4 GPU Nodes

  • CPU - 2x Intel® Xeon® Processor E5-2680 v3, 12 core 2.1Ghz
  • RAM - 128GB/2133 (8 x 16Gb) DDR4
  • DISK - 1 x SSD 800GB sas 6 Gbps 2.5’’
  • NET - IB 56Gb + 2x10Gb
  • GPU - 2 x NVIDIA K40 su PCI-E Gen3 x16


Scratch Storage

  • DISK TYPE - HDD da 4 TB SAS 7200 rpm
  • CAPACITY - 320 TB RAW e 256 TB usable
  • NET - 2 x IB 56Gb FDR + 2 x 10Gb
  • FILESYSTEM - Lustre Parallel Filesystem


Archive Storage

  • DISK TYPE - 180 x 6 TB a 7200 rpm SAS 6Gbps
  • CAPACITY - 1080 TB raw 768 TB usable
  • NET - 2 x IB 56Gb + 4 x 10GbE
  • FILESYSTEM - NFS export
  • FAULT TOLERANCE - RAID 6 Equivalent with Dynamic Disk Pools


Networking Layers

  • LAYER IB - 56 Gbps
  • LAYER ETH10G - 10 Gbps
  • TOPOLOGY IB - FAT-TREE
  • TOPOLOGY ETH10G - FLAT

Internet Connection

  • WAN CONNECTION - 2GB Full-Duplex with UniTO-GARR

Occam schema