Hardware of LCC2
This web site provides some hardware details of the main cluster components.
Computing nodes
- 8 compute nodes each of which consists of:
- 2 Intel Quad-Core L5420 CPUs (8 cores running on 2.5 GHz)
- 32 GB DDR2 RAM (4 GB per core)
- Single-Port 4x DDR Infiniband PCIe x8 HCA
- 2 x 1Gb Ethernet adapter
- 250 GB SATA2 hard disk
'Inner life' of one node Closeup view of some rack mounted nodes 
- One master server for login and job submission
- 2 Intel Quad-Core L5420 CPUs
- 16 GB DDR2 RAM
- Raid controller (configured with RAID 1)
- 2 146GB 15k 3.5'' Hot-Swap SAS hard disks
- Single-Port 4x DDR Infiniband PCIe x8 HCA
- 4 x 1Gb Ethernet adapter
Network devices
- Infiniband
- QLogic 144-Port DDR 4x Infiniband Switch
- 2 DDR Spine Modules - managed / 1 DDR Spine Module - unmanaged
- 11 DDR 4x IB Switch Leaf Modules
- 132 DDR 4x IB Ports
Front view
Photos: Wolfgang Kapferer