Nuredduna Computer Cluster

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Green computing

Flexible and modular IBM iDataPlex system. Front cabling and front access keeps service and maintenance costs down.
Reduced depth and rational wiring layout allows for efficient cooling.
Uses less space. Each rack admits up to 84 1U dual processor nodes plus space for switches.
Uses less power, up to 40% less energy than usual racks.

The IBM iDataPlex has four power distribution units (PDU), each one of them can provide electricity up to 16 dual-node boxes. PDUs can balance efficiently the load between the three electrical phases.

Nodes (Computational units)

64 top rated for both performance and energy efficiency dx360M2 nodes.
Each pair of nodes share the power supply.
Each node integrates two low consumption Intel Xeon L5520 quad-core processors running at 2.26MHz and it has 16GB of DDR-3 memory at 1066MHz.

Each node incorporates a 15000 rpm SAS 160GB hard drive for the Operating System.

Storage

IBM iDataPlex computational cluster is complemented with four storage servers.
Each node integrates two Intel Xeon L5520 quad-core processors running at 2.26MHz and it has 12GB of DDR-3 memory at 1066MHz.
A total amount of 96TB is distributed between two high performance IBM DS4700 and four DS4000 EXP810 storage expansion units.
RAID5 is used to get storage reliability with optimal input/output performance, consequently, IFISC has 54TB of redundant storage.

Connectivity

Computational units and storage nodes are connected through two dedicated Gigabit Ethernet lans, one for management and the other for communications between nodes.
Discs are connected to storage servers through 4Gb multimode Fibre Channel cables. Redundant disk controllers and redundant fibre channel connections make IFISC grid data a high reliable system.
Redundant disk controllers and redundant fibre channel connections make IFISC grid data a high reliable system.