StackHPC

Navigating Upstream Q1 2026

Gavin Heffernan — Mon, 23 Feb 2026 12:00:00 +0000

Welcome to the StackHPC Newsletter

Slinking Time

Raine Wales — Fri, 06 Feb 2026 17:00:00 +0000

Managing dependencies with FluxCD to package Slinky as an Azimuth app

Azimuth All Alone: Standalone Mode

Raine Wales — Wed, 17 Dec 2025 12:00:00 +0000

Azimuth Standalone mode, a way to deploy without OpenStack

StackHPC is Recruiting

Stig Telfer — Fri, 14 Nov 2025 12:00:00 +0000

StackHPC continues to grow and seek new Cloud Engineers to join our enthusiastic team.

United by OpenStack: Empowering Women in STEM Beyond Borders

Massimiliano Favaro-Bedford — Wed, 12 Nov 2025 17:00:00 +0000

How a set of aspiring engineers from Nigeria took their first steps into the world of OpenStack.

Navigating Upstream Q4 2025

Gavin Heffernan — Mon, 10 Nov 2025 12:00:00 +0000

Welcome to the StackHPC Newsletter

Building 6G AI: Open Infrastructure for High-Performance AI Clouds

Stig Telfer — Wed, 22 Oct 2025 11:00:00 +0100

Infrastructure competitive for AI workloads is some of the most performance-intensive available in the market today. Harnessing the full potential of such infrastructure is critical to maximising returns on very significant hardware and software investments.

StackHPC at the 21st ECMWF HPC Workshop

Stig Telfer — Fri, 19 Sep 2025 17:00:00 +0100

The winds of change in weather forecasting and climate modelling: AI is driving a revolution

Fresh Purrspectives - Improving the CloudKitty User Experience

Leonie Chamberlin-Medd — Fri, 19 Sep 2025 16:00:00 +0100

Discussing improvements to the CloudKitty dashboard for an enhanced user experience.

Slurm-Controlled Rebuild: Queue-Aware Cluster Upgrades

Bertie Thorpe — Thu, 04 Sep 2025 11:00:00 +0100

Avoid downtime during Slurm cluster upgrades by letting Slurm manage its own compute node rebuilds.

Navigating Upstream Q3 2025

Justin Coquillon — Fri, 01 Aug 2025 17:00:00 +0100

Welcome to the first issue of the StackHPC Newsletter

Quorum in the warren - modernising Kolla-Ansible's RabbitMQ offering

Matt Crees — Wed, 11 Jun 2025 17:00:00 +0100

It's been well over two years since we last discussed RabbitMQ. What have we been up to?

Stop Scientists Stealing Your Nodes: Evaluating Slinky for Backfilling AI Resources

William Tripp — Fri, 23 May 2025 15:00:00 +0100

Evaluating SchedMD's Slinky project to backfill Kubernetes clusters using some scheduling smarts.

Verne and StackHPC - Driving sustainability for cutting-edge research computing

Stig Telfer — Fri, 02 May 2025 12:00:00 +0100

Research computing is being transformed by the shift to cloud, and StackHPC is at the forefront of this revolution.

Azimuth Cloud Portal successfully completes security audit

axel simon — Wed, 02 Apr 2025 12:00:00 +0100

Azimuth has gone through a security audit and come out with flying colours

FOSDEM 2025 and why attend community events

axel simon — Wed, 19 Feb 2025 12:00:00 +0000

StackHPC visited FOSDEM - the biggest, all-over-the-place Free and Open Source Software (FOSS) developer conference in Europe, and possibly the world.

The Only Constant in Life is Change

Steve Brasier — Tue, 04 Feb 2025 17:30:00 +0000

Changes to upstream repositories all come at once

Conch-quering Federated Cloud SSH!

Massimiliano Favaro-Bedford — Fri, 03 Jan 2025 17:00:00 +0000

How Isambard's certificate authority, Conch, & SSH connection manager, Clifton, can bridge the gap between external researchers and Cloud HPCs.

A GARP or two later: Managing VMs in a busy OpenStack deployment

Doug Szumski — Fri, 15 Nov 2024 10:00:00 +0000

Managing VMs in a busy OpenStack deployment

Kubernetes for Enterprise on stoney cloud

Stig Telfer — Wed, 11 Sep 2024 17:30:00 +0100

Magnum, Cluster API and Helm providing a reliable Kubernetes service on open infrastructure

Putting RoCE to work - troubleshooting High Performance Ethernet

Bertie Thorpe — Fri, 30 Aug 2024 11:00:00 +0100

Targeting RoCE devices in Open MPI can be difficult when trying to benchmark RDMA against TCP.

Stand Up and Be Counted!

Stig Telfer — Mon, 19 Aug 2024 15:30:00 +0100

Are you a user of open infrastructure? Complete the OpenStack user survey to help the community know what is important to you.

Taming the Turtle-powered Shark: A deep-dive into the Magnum Cluster API Helm Driver

Scott Davidson — Mon, 12 Aug 2024 16:00:00 +0100

An introductory guide to the Magnum CAPI Helm driver

Two Important Vulnerability Disclosures for Open Infrastructure

Stig Telfer — Thu, 04 Jul 2024 15:30:00 +0100

It has been a significant week for open infrastructure security, with important vulnerabilities announced for OpenSSH and QCOW2 images.

Hypervisor Isolation in OpenStack

Alex Welsh — Mon, 24 Jun 2024 10:00:00 +0100

A short guide for isolating an OpenStack project to an exclusive set of hypervisors.

StackHPC at OpenInfra Day France 2024

Pierre Riteau — Wed, 05 Jun 2024 09:00:00 +0100

StackHPC participated in the OpenInfra Day France 2024 event.

OpenStack Multinode Test Environments Made Easy

Jack Hodgkiss — Thu, 23 May 2024 17:00:00 +0100

Deploying multinode test environments with ease for complex development sandboxes and automated system-level testing.

The Turtle-Powered Shark: Magnum and Cluster API

Stig Telfer — Fri, 16 Feb 2024 12:00:00 +0000

An update on StackHPC's work on a Cluster API driver for Magnum, developed using the Four Opens

From Complexity to Simplicity: Azimuth's Approach to LLM Deployment on OpenStack

Scott Davidson — Fri, 02 Feb 2024 13:00:00 +0000

Simplifying the deployment of large language models with Azimuth.

StackHPC and the Manufacturing Technology Centre

John Taylor — Fri, 01 Dec 2023 09:00:00 +0000

The MTC and StackHPC deliver a virtual engineering testbed for rapid prototyping and design.

StackHPC at SCD Computing Insight UK (CIUK) 2023

Matt Anson — Thu, 30 Nov 2023 09:00:00 +0000

Come and see StackHPC at CIUK 2023, the principal conference for scientific computing in the UK.

Cambridge University announces Dawn: an OpenStack AI Supercomputer

John Taylor — Thu, 02 Nov 2023 10:30:00 +0000

A major component of the UK's new national AI Research Resource (AIRR) is to be built upon open infrastructure.

StackHPC at Kubernetes Community Days UK (KCDUK) 2023

Matt Anson — Tue, 24 Oct 2023 19:30:00 +0100

StackHPC joined the Kubernetes Community at KCDUK 2023.

StackHPC at ECMWF HPC Workshop

Stig Telfer — Tue, 17 Oct 2023 18:00:00 +0100

StackHPC participated in the biennial ECMWF HPC workshop, and presented our work on the European Weather Cloud. The HPC forecast: cloudy with a high chance of AI.

Democratising the GPU (Part One): The Ansible role where the magic begins

Will Szumski — Wed, 23 Aug 2023 12:00:00 +0100

Using NVIDIA vGPU technology we can share a single GPU between multiple virtual machines. Part one in this blog series introduces our new ansible role, stackhpc.linux.vgpu, that does the host OS level configuration.

Exploring Slurm on Kubernetes

William Tripp — Tue, 22 Aug 2023 16:00:00 +0100

An investigation into containerising and deploying Slurm on a Kubernetes cluster

StackHPC at Vancouver OpenInfra Summit

Stig Telfer — Wed, 21 Jun 2023 18:00:00 +0100

The StackHPC team returned to Vancouver to participate in another great Open Infra summit.

Climbing out the Rabbit Hole - RabbitMQ Reliability with Kolla Ansible

Matt Crees — Thu, 13 Apr 2023 12:00:00 +0100

RabbitMQ HA has been notoriously problematic for many OpenStack deployments. Here's how we've fixed this.

All About Automation

Jack Hodgkiss — Mon, 16 Jan 2023 11:30:00 +0000

Why do the work manually when it can be done automatically?

Kubernetes, RDMA and OpenStack

John Garbutt — Wed, 23 Nov 2022 14:00:00 +0000

RDMA inside K8s pods running in OpenStack VMs works really well.

Deploying OpenStack easily with Kayobe & Kolla (Rennes, France)

Pierre Riteau — Mon, 14 Nov 2022 14:00:00 +0000

StackHPC's Pierre Riteau to present on Kayobe and Kolla-Ansible at the OpenStack / OpenInfra Rennes meetup in France.

Azimuth - HPC & AI Platforms On-demand

Matt Anson — Wed, 09 Nov 2022 16:00:00 +0000

Enabling scientists to manage science environments in the cloud with Azimuth

Achieving Consistency in an Inconsistent World: Hardware Anomaly Detection

Matt Crees — Mon, 24 Oct 2022 14:30:00 +0100

Change is inevitable. Servers get repurposed. We don't always get quite the hardware that we asked for. How do we make it good?

CREATE: OpenStack at King's College London

John Taylor — Fri, 25 Mar 2022 16:00:00 +0000

StackHPC and King’s College London collaborate on extending the reach of OpenStack Kayobe to Ubuntu

All aboard the Release Train

Mark Goddard — Thu, 24 Mar 2022 12:00:00 +0000

How we learned to stop worrying and deploy CentOS Stream.

Automating OpenStack database backups with Kayobe and GitHub Actions

Pierre Riteau — Mon, 14 Mar 2022 12:00:00 +0000

Using GitHub Actions and Kayobe Ansible playbooks to automate database backups, including off-site transfer.

OpenInfra Live: OpenStack in Academia

Stig Telfer — Sat, 05 Mar 2022 18:00:00 +0000

StackHPC participated in an OpenInfra Live discussion on using OpenStack in academia

StackHPC is Recruiting

Justin Coquillon — Sat, 13 Nov 2021 18:00:00 +0000

StackHPC continues to grow and seek new Cloud Engineers to join our enthusiastic team.

OpenInfra Live: OpenStack-powered supercomputing

Stig Telfer — Thu, 26 Aug 2021 18:00:00 +0100

StackHPC's CTO Stig Telfer moderated an Open Infra Live discussion on OpenStack and sotware-defined supercomputers

OpenInfra Live: Ironic in Production

Stig Telfer — Thu, 12 Aug 2021 18:00:00 +0100

StackHPC's Mark Goddard participated in the OpenInfra Live session on Ironic in Production

SuperCompCloud 4 at ISC '21

Stig Telfer — Fri, 02 Jul 2021 18:00:00 +0100

StackHPC CTO Stig Telfer presented a keynote address to SuperCompCloud - the 4th Workshop on Interoperability of Supercomputing and Cloud Technologies at ISC '21

High Performance Ethernet - to IB or not to IB

John Taylor — Mon, 24 May 2021 14:00:00 +0100

The second of a trilogy of blogs on the use of modern Ethernet stacks (sometimes referred to as the generic term High Performance Ethernet) as a viable alternative to other interconnects such as Infiniband in HPC and AI.

An Ansible-driven Slurm "Appliance" for an HPC Environment

Steve Brasier — Fri, 23 Apr 2021 16:00:00 +0100

We showcase a new Ansible-based Slurm appliance for production HPC clusters

Cloud-Native HPC at Nvidia GTC

John Taylor — Wed, 14 Apr 2021 10:00:00 +0100

The software-defined supercomputer looks to bring to bear the modern techniques of research operations (ResOps) through automation and infrastructure as code.

VF-LAG Networking in Kayobe

Stig Telfer — Tue, 30 Mar 2021 14:00:00 +0100

In a virtualised environment, SR-IOV brings closer access to underlying hardware. Adding VF-LAG overcomes limitations of redundancy and fault-tolerance, bringing together performance with enterprise features.

OpenHPC v2 - Enhancements and Demos

Steve Brasier — Fri, 26 Feb 2021 16:00:00 +0000

We look at the key changes in OpenHPC v2 and some Ansible using those capabilites

OpenStack in the TOP500

John Garbutt — Wed, 18 Nov 2020 11:00:00 +0000

For the first time, the November Top500 list includes fully OpenStack-based Software-Defined Supercomputers. Firstly at #99 is UM6P’s Toubkal, and at #421 is Cambridge University’s Cascade Lake extension of CSD3. StackHPC is thrilled to have been involved in both.

StackHPC is OpenInfra!

Stig Telfer — Tue, 20 Oct 2020 12:00:00 +0100

StackHPC is proud to be a founding member of the Open Infrastructure Foundation. What does this mean for OpenStack and open infrastructure?

StackHPC Shortlisted for OpenStack SuperUser Award

Stig Telfer — Mon, 28 Sep 2020 18:00:00 +0100

In recognition of our contribution to the open infrastructure community, StackHPC has been selected for the shortlist for the OpenStack SuperUser award.

Monasca on Kayobe, tips and tricks

Isaac Prior — Thu, 03 Sep 2020 16:30:00 +0100

We provide a quick guide to deploying Monasca using Kayobe.

Kayobe & Kolla - sane OpenStack deployment

Stig Telfer — Tue, 28 Jul 2020 10:00:00 +0100

StackHPC's Mark Goddard to present on Kayobe and Kolla-Ansible at the London and Manchester virtual OpenInfra meetup.

Software RAID support in OpenStack Ironic

Stig Telfer — Wed, 17 Jun 2020 10:00:00 +0100

We describe our experiences using the new support for software RAID in Ironic.

Flatten the Learning Curve with OpenStack HIIT

Stig Telfer — Tue, 05 May 2020 16:00:00 +0100

Training for open infrastructure specially developed for teams in lockdown.

StackHPC Under African Skies: Kayobe in Cape Town

John Taylor — Thu, 30 Apr 2020 16:00:00 +0100

Working with our local partners, Linomtha ICT, to provide cloud infrastructure for South African researchers and Academia

Kata Containers on The New Stack

Bharat Kunwar — Wed, 29 Apr 2020 14:40:00 +0100

StackHPC's Bharat Kunwar participated in a The New Stack webinar as an expert on Kata containers and their performance characteristics.

StackHPC and COVID-19

John Taylor — Tue, 17 Mar 2020 19:00:00 +0000

An update from StackHPC's CEO John Taylor on the company's strategy for mitigating the consequences of COVID-19.

Scaling up: Monasca Performance Improvements

Bharat Kunwar — Thu, 05 Mar 2020 18:00:00 +0000

We describe a multi-pronged approach we used to improve user facing query performance of a Monasca based monitoring stack we currently have deployed at client sites.

SR-IOV Networking in Kayobe

Michal Nasiadka — Fri, 14 Feb 2020 10:00:00 +0000

In a virtualised environment, SR-IOV enables closer access to underlying hardware, trading greater performance for reduced operational flexibility.

StackHPC Winter Design Summit

Stig Telfer — Mon, 20 Jan 2020 09:00:00 +0000

StackHPC's team gathered to our Bristol base for our semi-annual all hands design summit.

StackHPC at Supercomputing 2019

Stig Telfer — Tue, 26 Nov 2019 09:00:00 +0000

John Taylor and Stig Telfer attended Supercomputing 2019, at 13,950 attendees the biggest ever, and heard the latest on the adoption of cloud technologies for HPC workloads.

High Performance Ethernet for HPC – Are we there yet?

John Taylor — Mon, 18 Nov 2019 02:00:00 +0000

Recently there has been a resurgence of interest around the use of Ethernet for HPC workloads, most notably from recent announcements from Cray and Slingshot. In this article I examine some of the history around Ethernet in HPC and look at some of the advantages within modern HPC Clouds.

Shanghai Open Infrastructure Summit: OpenStack Goes East

Stig Telfer — Fri, 15 Nov 2019 09:00:00 +0000

Stig Telfer attended the Open Infrastructure Summit in Shanghai and got a taste for the project's adoption in Asia-Pacific.

Worlds Collide: Virtual Machines & Bare Metal in OpenStack

Mark Goddard — Wed, 06 Nov 2019 02:00:00 +0000

Virtual machine or bare metal? Choose the infrastructure model that fits your application

StackHPC joins the OpenStack Marketplace

Stig Telfer — Sat, 02 Nov 2019 09:00:00 +0000

Following OpenStack Foundation membership, StackHPC joins the OpenStack marketplace

Kubeflow on Baremetal OpenStack

Bharat Kunwar — Tue, 15 Oct 2019 11:00:00 +0100

We discuss how we deployed Kubeflow on baremetal OpenStack managed infrastructure to support cloud-native machine learning workload use cases along with monitoring infrastructure to give full visibility to the end user.

Bespoke Bare Metal: Ironic Deploy Templates

Mark Goddard — Mon, 23 Sep 2019 12:00:00 +0100

Flexible, dynamic deployment of bare metal using Ironic's deploy templates API

StackHPC at the CERN Ceph Day 2019

Stig Telfer — Fri, 20 Sep 2019 09:00:00 +0100

Stig Telfer and John Garbutt presented recent work involving interesting ways of managing data in research computing.

Migrating a running OpenStack to containerisation with Kolla

Pierre Riteau — Tue, 17 Sep 2019 15:00:00 +0100

We describe how we migrated a running OpenStack to a containerised solution with Kolla and Kayobe.

Fabric control in Intel MPI

Steve Brasier — Fri, 13 Sep 2019 16:30:00 +0100

Changes to control of communication fabrics in Intel MPI and recommended settings for Microsoft Azure.

CloudKitty and Monasca: OpenStack charging without Telemetry

Pierre Riteau — Tue, 30 Jul 2019 23:00:00 +0100

We explore options to use CloudKitty to charge for OpenStack usage without a full Telemetry stack.

A Universe from Nothing: Try Kayobe in your own Model Universe

Isaac Prior — Wed, 05 Jun 2019 12:00:00 +0100

Following a highly successful workshop at the Denver Open Infrastructure Summit, here's a step-by-step guide for how to recreate the lab on your own hardware and try out Kayobe for yourself.

StackHPC at the CERN OpenStack Day 2019

Stig Telfer — Fri, 31 May 2019 09:00:00 +0100

StackHPC visited our friends at CERN for the CERN OpenStack Day 2019

I/O performance of Kata containers

Bharat Kunwar — Thu, 09 May 2019 12:00:00 +0100

We compare the I/O performance of Kata containers against runC and bare metal cases and establish of I/O cost of trading off the added layer of security gained through hardware virtualisation in container infrastructure.

StackHPC Joins the OpenStack Bare Metal Program

Stig Telfer — Mon, 29 Apr 2019 09:00:00 +0100

Announcing our participation in the Open Infrastructure Foundation's new Bare Metal Program

Blazar 3.0.0: Highlights of the Stein Release

Pierre Riteau — Wed, 10 Apr 2019 09:00:00 +0100

Announcing the release of Blazar 3.0.0. This release provides floating IP reservation and integrates with the Placement service.

Kayobe 5.0.0: The Rocky Release

Stig Telfer — Mon, 25 Feb 2019 22:00:00 +0000

Announcing the release of Kayobe 5.0.0. This release supports deployment of OpenStack Rocky. Lots of new features and fixes.

StackHPC at the UKRI Cloud Workshop

Stig Telfer — Thu, 14 Feb 2019 14:00:00 +0000

StackHPC participates in the 4th UKRI Cloud WG Workshop, held at the Francis Crick Institute in London.

Scientific OpenStack Hackathon

Stig Telfer — Fri, 08 Feb 2019 22:00:00 +0000

A movement to build greater community around users of OpenStack for scientific computing being spearheaded by a consortium of UK research institutions.

Ceph on the Brain: A Year with the Human Brain Project

Stig Telfer — Mon, 17 Dec 2018 12:00:00 +0000

Working with our partners at Cray, a year of investigation into technologies for data movement and using Ceph in support of demanding storage use cases.

Federation and identity brokering using Keycloak

Nick Jones — Tue, 27 Nov 2018 15:00:00 +0000

Using Keycloak to help facilitate federated cloud deployments

Monasca comes to Kolla

Doug Szumski — Thu, 08 Nov 2018 11:00:00 +0000

StackHPC and the Kolla community have added support for Monasca in Kolla.

Kubernetes, HPC and MPI

Kitrick Sheets — Wed, 07 Nov 2018 12:00:00 +0000

Convergence of HPC and Cloud will not stop at the infrastructure level. How can applications and users take the greatest advantage from cloud-native technologies to deliver on HPC-native requirements? How can we separate true progress from a blind love of the shiny?

Deploying Performant Parallel Filesystems: Ansible and BeeGFS

Bharat Kunwar — Wed, 10 Oct 2018 12:00:00 +0100

We explore the features of our Ansible BeeGFS role to provide disaggregated and hyperconverged storage solution.

Kayobe and Rundeck

Nick Jones — Mon, 01 Oct 2018 17:00:00 +0100

Operational Hygiene for Infrastructure as Code

Bare Metal VMs: Virtually Ironic?

Will Miller — Fri, 21 Sep 2018 00:00:00 +0100

A summary of the virtual cluster management tool, Tenks, whose development formed the lion's share of Will Miller's summer internship with StackHPC.

Heads Up: Ansible Galaxy Breaks the World

Stig Telfer — Tue, 04 Sep 2018 16:40:00 +0100

The software repository within which we build our ecosystem breaks everything without apparent notice.

Pierre Riteau Joins our Team

Stig Telfer — Wed, 04 Jul 2018 14:20:00 +0100

Pierre Riteau joins the StackHPC team, bringing new skills to broaden our capabilities and experience of operating Ironic at scale.

StackHPC at OpenStack Vancouver

Stig Telfer — Wed, 06 Jun 2018 10:20:00 +0100

Roundup from a huge week in Vancouver for the StackHPC team

OpenStack Forum in Vancouver 2018 Summary

John Garbutt — Mon, 04 Jun 2018 17:30:00 +0100

A Scientific Computing focused summary of some discussions during the OpenStack Forum in Vancouver.

Future directions for OpenStack Monasca

Doug Szumski — Fri, 01 Jun 2018 13:30:00 +0100

StackHPC have been helping to improve deployment, configuration and multi-tenancy in OpenStack Monasca.

Bare Metal InfiniBand

Mark Goddard — Thu, 24 May 2018 20:00:00 +0100

In this post we take a look at recent StackHPC projects involving integration of OpenStack Neutron, InfiniBand (IB) networks, and bare metal compute.

HPC Container Orchestration with Bare Metal Magnum

Bharat Kunwar — Tue, 22 May 2018 10:00:00 +0100

We summarise the challenges involved in our recent upgrade of Magnum from Pike to Queens on OpenStack Pike deployment using Kayobe where we additionally used custom Fedora Atomic 27 image with latest Docker release and support for RDMA enabled gluster mount over InfiniBand.

Kayobe Update

Mark Goddard — Wed, 25 Apr 2018 10:00:00 +0100

15 months on from the inception of the Kayobe OpenStack deployment tool we provide an update on the project, covering the recent move to become an OpenStack-related project, and why we think Kayobe is quickly becoming a viable alternative to TripleO that provides significant advantages.

HPCAC Conference Keynote: Ceph on the Brain

Stig Telfer — Tue, 17 Apr 2018 10:20:00 +0100

StackHPC returned to the HPC Advisory Council conference in Lugano, Switzerland. Stig was delighted to be able to participate in a keynote address, on using Ceph within the Human Brain Project.

The State of HPC Containers

Stig Telfer — Mon, 16 Apr 2018 16:20:00 +0100

A conference attended by representatives from all the leading container runtime environments used in research computing brought the opportunity to understand the commonality and differences.

Scientific SIG at the Dublin PTG

Stig Telfer — Mon, 05 Mar 2018 14:20:00 +0000

The OpenStack PTG invited the Scientific SIG to participate, and we were certainly glad that we did.

The Gathering of the (Snow) Clouds

Stig Telfer — Mon, 05 Mar 2018 14:20:00 +0000

StackHPC sent a full team away to the Rocky PTG in Dublin. Here's the trip report from an eventful week.

StackHPC at the RCUK Cloud Workshop

Stig Telfer — Mon, 08 Jan 2018 14:20:00 +0000

Nick Jones, Stig Telfer, John Taylor and John Garbutt attended the third Research Councils UK Cloud Workshop. Stig and John G gave presentations.

Future Science on Future OpenStack: CERN and SKA

Stig Telfer — Sun, 17 Dec 2017 23:20:00 +0000

Stig presented at OpenStack Sydney on the CERN/SKA future science platforms collaboration with Belmiro Moreira from CERN. Here we describe that collaboration in a little more depth and how we see it taking shape in future.

Verne Global's hpcDIRECT Service: Bare Metal Powered by Molten Rock

Stig Telfer — Tue, 12 Dec 2017 10:20:00 +0000

Verne Global announce hpcDIRECT, built upon bare metal OpenStack, to deliver "the cleanest HPC on Earth".

Baremetal Cloud Capacity

John Garbutt — Wed, 15 Nov 2017 14:00:00 +0000

Discussion of scheduling baremetal resources using OpenStack Pike and looking at news from the Denver PTG about what is likely going to happen during Queens and beyond.

Nick Jones Joins our Team

Stig Telfer — Mon, 13 Nov 2017 10:20:00 +0000

Nick Jones joins the StackHPC team, extending our developer capability and bringing deep experience of OpenStack cloud operations.

StackHPC at OpenStack Sydney

Stig Telfer — Sat, 11 Nov 2017 10:20:00 +0000

Stig attended the OpenStack Sydney summit with the team from Cambridge University. Stig helped lead two Scientific SIG sessions. In addition to that he did a lightning talk and two presentations. What a week!

Scheduling Baremetal Resources in Pike

John Garbutt — Thu, 26 Oct 2017 15:00:00 +0100

Discussion of scheduling baremetal resources using OpenStack Pike and looking at news from the Denver PTG about what is likely going to happen during Queens and beyond.

Upgrade to Pike using Kolla and Kayobe

Stig Telfer — Thu, 21 Sep 2017 12:00:00 +0100

A control plane upgrade from Ocata to Pike, using Kolla and Kayobe. How we prepared for it and what happened on the day.

John Garbutt Joins our Team

Stig Telfer — Thu, 17 Aug 2017 10:20:00 +0100

John Garbutt joins the StackHPC team, giving us new and enhanced capabilities to push the boundaries of Scientific OpenStack.

Clusters for Scientific Applications: as-a-Service

Stig Telfer — Thu, 03 Aug 2017 17:00:00 +0100

The marriage of Heat and Ansible for delivering scientific applications that are simple to deploy and manage.

HPC Networking in OpenStack: Part 2

Mark Goddard — Fri, 14 Jul 2017 20:00:00 +0100

Part 2 of our series on HPC networking in OpenStack covers managing physical and virtual network infrastructure as code using the Kayobe project.

Ethernet's future is approaching - fast

Stig Telfer — Fri, 07 Jul 2017 17:20:00 +0100

StackHPC attended the Mellanox product launch for a new generation of switches, built around their Spectrum-2 ASIC, and delivering link speeds up to 400Gbits/s.

Our loss is Norway's gain: StackHPC is recruiting

Stig Telfer — Fri, 07 Jul 2017 12:20:00 +0100

We say farewell to Steve Simpson, our highly valued technical lead on monitoring, and look ahead to replacing him with new blood for the team.

HPC Networking in OpenStack: Part 1

Mark Goddard — Wed, 21 Jun 2017 15:00:00 +0100

Part 1 of our series on HPC networking in OpenStack showcases the varied networking capabilities of one of our recent OpenStack deployments, the Performance Prototype Platform (P3) built for the Square Kilometre Array (SKA) telescope's Science Data Processor (SDP).

Extending TripleO for the HPC-enabled Overcloud

Stig Telfer — Tue, 06 Jun 2017 14:00:00 +0100

A rainy day activity led to the refactoring of large swathes of our TripleO-driven deployment process for HPC-enabled OpenStack infrastructure.

StackHPC at ACCU 2017

Stig Telfer — Fri, 05 May 2017 12:20:00 +0100

StackHPC presents on asynchronous C++ for I/O and networking at ACCU 2017

HPCAC Conference End Note: The Case for a Scientific OpenStack

Stig Telfer — Mon, 24 Apr 2017 10:20:00 +0100

StackHPC attended the HPC Advisory Council conference in Lugano, Switzerland. Stig was delighted to be able to give the endnote address, on Scientific OpenStack, to close the conference.

Zero-Touch Provisioning using Ironic Inspector and Dell iDRAC

Mark Goddard — Tue, 28 Mar 2017 22:00:00 +0100

Ironic Inspector's new capabilities unlock the possibility of using OpenStack for the zero-touch provisioning of new hardware. Here we investigate these features and demonstrate a way of commissioning new hardware with minimal operator involvement.

StackHPC at PGDay Paris 2017

Stig Telfer — Mon, 27 Mar 2017 14:00:00 +0100

Extending Monasca to use Postgres for OpenStack monitoring and logging

Logging Services for Guest Workloads: A Step Closer

Steve Simpson — Tue, 14 Mar 2017 12:30:00 +0000

Monasca's multi-tenant capabilities are being extended to support multi-tenant logging. Here's our take on how this new service will add value for doing research computing on OpenStack.

StackHPC at the Sanger Centre OpenStack Day

Stig Telfer — Fri, 10 Mar 2017 12:20:00 +0000

StackHPC presents plans for using OpenStack to support SKA prototyping infrastructure.

StackHPC at FOSDEM/PGDay 2017

Stig Telfer — Tue, 21 Feb 2017 12:20:00 +0000

StackHPC presents designs for extending Monasca with support for Postgres

TripleO, NUMA and vCPU Pinning: Improving Guest Performance

Mark Goddard — Fri, 03 Feb 2017 10:30:00 +0000

Virtualised performance can be boosted through using NUMA passthrough and vCPU Pinning. This article describes how it's done in an environment deployed with TripleO

Managing BIOS and RAID in the Hyperscale Era

Mark Goddard — Mon, 09 Jan 2017 15:20:00 +0000

Using Ansible and Ironic for firmware configuration management.

Understanding VXLAN+OVS Bandwidth Issues

Stig Telfer — Wed, 30 Nov 2016 10:20:00 +0000

A study of some of the VXLAN network performance issues we encountered while working on the OpenStack/HPC cloud at Cambridge University, and what we did to resolve them.

StackHPC at Supercomputing 2016

Stig Telfer — Tue, 15 Nov 2016 10:20:00 +0000

Momentum gathers for Scientific OpenStack and StackHPC

StackHPC at OpenStack Barcelona

Stig Telfer — Fri, 28 Oct 2016 10:20:00 +0100

SuperUser Reports on OpenStack Foundation Visit to Cambridge

Stig Telfer — Fri, 21 Oct 2016 10:20:00 +0100

A Little Fun in a Historical Context

Stig Telfer — Wed, 12 Oct 2016 10:20:00 +0100

A Little Fun in a Historical Context

OpenStack and High Performance Data

Stig Telfer — Mon, 10 Oct 2016 10:20:00 +0100

OpenStack and High Performance Data

StackHPC at OpenStack Day UK

Stig Telfer — Thu, 15 Sep 2016 10:20:00 +0100

OpenStack and HPC Workload Management

Stig Telfer — Mon, 12 Sep 2016 10:20:00 +0100

OpenStack and HPC Workload Management

OpenStack and HPC Infrastructure Management

Stig Telfer — Mon, 29 Aug 2016 10:20:00 +0100

OpenStack and HPC Infrastructure Management

OpenStack and HPC Network Fabrics

Stig Telfer — Mon, 15 Aug 2016 10:20:00 +0100

OpenStack and HPC network fabrics

OpenStack and Virtualised HPC

Stig Telfer — Mon, 01 Aug 2016 10:20:00 +0100

HPC and the overhead of virtualisation

Mellanox OFED for the Overcloud

Stig Telfer — Fri, 03 Jun 2016 10:20:00 +0100

Enabling RDMA Support in OpenStack Overcloud Images

Talking the Scientific Working Group at OpenStack Austin

Stig Telfer — Mon, 02 May 2016 10:20:00 +0100

StackHPC at Computing Insight UK

Stig Telfer — Tue, 08 Dec 2015 10:20:00 +0000

StackHPC at OpenStack Tokyo

Stig Telfer — Thu, 29 Oct 2015 10:20:00 +0000