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Hardware

The cluster consists of 24 general purpose compute nodes, 2 special high core count and RAM compute nodes, 2 head nodes, and supporting hardware.

The specifications for the general compute nodes are:

  • 56856884402504f75b55bca0a9f5dcee
  • Dell M420 blade server
  • 2x Intel Xeon E5-2470v2 10 core @ 2.40Ghz
  • 96 GB Main memory @ 1600MT/s
  • 80GB SSD system drive
  • 10 Gbit Ethernet interconnect

The specifications for the special compute nodes are:

  • dell_poweredge_m915
  • Dell M915 blade server
  • 4x AMD Opteron 6272 16 core at 2.1Ghz
  • 512 GB Main memory @ 1600MT/s
  • 10 Gbit Ethernet interconnect

The specifications for the head nodes are:

  • r420
  • Dell R420 1U Server
  • 1x Intel Xeon E5-2407v2 4 core @ 2.4Ghz
  • 16 GB Main memory @ 1600MT/s

Other dedicated supporting hardware:

  • 2570_M420-chassis_jpg-1024x0
  • Dell M1000e Blade enclosure
  • APC Netshelter rack
  • 2x Dell Powerconnect 5524 network switches
  • Dell KVM switch with 1U console

Balancing

The cluster uses ipvs to balance incoming users to different nodes. Nagios, with custom scripts, is used to monitor and weigh the nodes.

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