Month: Oct 2018

Testing OpenMPI on our new infrastructure

Infiniband, MPI
The result of a “data scatter” code test compiled with OpenMPI v3 and PMIx-3 and submitted to several nodes on our new cluster. The transport layer is native infiniband and a transmission rate of 8000MB/s is achieved (yes, we can’t …
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Update on BeegFS storage

BeeGFS, hpc, storage
The disk cluster is configured and running. Four Dell R740DX servers each with a combination of twelve 10TB NLSAS and two 240GB SSD drives are providing a 345TB scratch volume, an 8TB /home volume and a 4TB software volume. Each …
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Infiniband cabling

hardware, hpc, Infiniband
Thermal regulation and air flow are two important parts of any HPC installation. Adding Infiniband increases the amount of physical material at the back of the servers which can obstruct fans, reduce airflow and lead to overheating and damaged equipment. …
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