HPC 2020 update
TL;DR; – The cluster head node operating system, firmware and storage system have all been patched\upgraded. – The wall time for ada has been increased from 72 to 170 hours – Matlab is now available on the cluster Cluster…
February cluster update
Please let us know if you no longer require your HPC account or if you have acknowledged usage of the cluster in any publications recently. If you still have an account on the old cluster (hex) you need to request…
HPC changes for 2020
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…
A decade of UCT HPC
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 …
TensorFlow now available
Compliments of the season. Many of you may be asking where I have been and what I have been up to. For the past year and a bit, I’ve been working with the Astronomy crowd on the deployment of their…
Update on BeegFS 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 …
Infiniband cabling
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. …
Infiniband Fabric
We’ve started installing and configuring the Infiniband connections before setting up BGFS storage. The fabric speed is 100Gb/s! …
HPC update
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…
Hex cluster move
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 …