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This is an old revision of the document!
The Cluster is made of some servers and blades organized in 3 racks physically located in the Cluster Room and Datacenter Room in Mancinelli site. The main hardware components where part of the former Labs cluster, new acquisitions and one blade from Mathematics Dept. Datacenter donated from a Research group of DICA.
Server or Blade | # nodes and processors | # cores/processor | Ram (GB) | Local storage | Network interfaces |
---|---|---|---|---|---|
Gandalf | 6 nodes Dell with 2 Intel Xeon | 4 | 8 | 1 HD SAS 73 GB | 1Gbit Ethernet for Management and Data |
Merlino | 9 nodes Dell with 2 AMD Opteron | 4 | 16 | 1 HD SATA 80 GB | 1Gbit Ethernet for Management, 10Gbit Ethernet for Data |
Blade Morgana | 11 nodes Dell with 2 Intel Xeon | 4 | 24 | 2 HD SAS 146 GB Raid0 | 1Gbit Ethernet for Management, 20 Gbit Mellanox Infiniband for MPI, 10Gbit Ethernet for Data |
Covenant | 1 node Hp with 4 Intel Xeon | 10 | 256 | 2 HD SAS 1 TB Raid0 | 1Gbit Ethernet for Management, 10Gbit Ethernet for Data |
Masternode | 1 node Dell with 2 Intel Xeon | 4 | 24 | 2 HD SAS 1 TB Raid1 for OS, 4 HD SAS 2 TB Raid5 for shared Scratch, 35 TB Storage for Home | 1Gbit Ethernet for Management, 1Gbit Ethernet for Frontend/login, 1Gbit Ethernet for nodes console (iDRAC, ILO), 2 10Gbit Ethernet for Data, Fiber Channel 8 Gbps for Storage, 1 10 Gbit Mellanox Infiniband for Infiniband control |
The Masternode provides:
The cluster has been installed following the directions of the OpenHPC Project, an open source project backed by Intel and many software and hardware HPC player and supported by a strong developer community. The main reason for this choice is that they committed to support the upgrade of the software platform following the evolution of the single components (OS, compilers, MPI distributions, toolchains components, utility software, hardware support, container technology) and also for their independence from a specific vendor or technology. The installed software is divided in Management and operations software and Application software.