hpc

HPC changes for 2020

application, hpc, SLURM
Hex cluster decommissioning: The old UCT cluster (hex.uct.ac.za) is being shut down in January 2020.  If you no longer require access please can you let us know if you acknowledged usage of the cluster in your research.  If you still…
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A decade of UCT HPC

hpc, SLURM
This month marks 10 years since we started providing HPC services to UCT. The landscape has changed considerably since then, we no longer have to rely on “hand me down” servers and cobbled together file services. Our new cluster …
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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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HPC update

hardware, hpc, Infiniband
Following the move of Hex to Bremner we have continued installing the new HPC kit. A total of 4 Dell R740XD storage servers, 26 Dell 40 core C6420 compute nodes and 4 Dell C4140 GPU nodes with four P100 cards…
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Hex cluster move

hardware, hpc
On Sunday the 16th of September Hex was moved from the Upper Campus data centre to the Bremner data centre. The move went smoothly and Hex was back up and running by Monday morning. There were some minor issues; the …
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HPC downtime

hardware, hpc
There will be a full shut down of the Hex HPC cluster this coming weekend. We will be placing Hex into draining mode at 16:00 Friday 14 September and no new jobs will be accepted. The cluster will be shut…
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HPC upgrade update

hardware, hpc, Infiniband
The data center where hex will reside is still being worked on. The spiders nest of network cables under the raised floor has been cleaned out to allow better air flow.     All networking will now run in overhead…
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