In Depth
In Depth
Server hardware
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Disaggregated systems try to unlock the NVMe conundrum
NVMe can unlock the true potential of flash, but storage controllers put a bottleneck back in the I/O path. We look at how suppliers are trying to solve the problem Continue Reading
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Hyper-converged infrastructure 2018 technology and market survey
We look at the latest in hyper-converged infrastructure – server and storage hardware nodes that can be built into scale-out clusters – and the players in the market Continue Reading
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Storage briefing: The evolution of software-defined storage
The evolution of software-defined storage, from simple software products to those that offer scale-out, hyper-converged, NVMe, public cloud and container functionality Continue Reading
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The death of the mainframe is greatly exaggerated, says CA
With mainframe software tools forming a key part of its overall growth strategy, CA Technologies remains proud of its mainframe heritage Continue Reading
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OpenStack vs hyper-converged: Open-source cloud in the datacentre
We look at how to deploy OpenStack on hyper-converged infrastructure and how HCI suppliers’ products can support deployment of the open-source cloud in the datacentre Continue Reading
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Hyper-converged choices: DIY HCI software deployments
What are the advantages of do-it-yourself hyper-converged infrastructure deployment and who are the key suppliers of HCI software? We run the rule over the DIY hyper-converged market Continue Reading
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Datacentre decisions: Converged vs hyper-converged infrastructure
Converged and hyper-converged infrastructure are ready-tested ways to put compute and storage into the datacentre. But which should you choose for your deployment? Continue Reading
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NVMe flash storage: What are the deployment options?
NVMe offers to unleash performance potential of flash storage that is held back by spinning disk-era SAS and SATA protocols. We run through the key NVMe deployment options Continue Reading
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Backup testing: What to test, when to test, how often to test
We run the rule over what’s involved in backup testing in virtual and physical server environments, how often you should test and the key pitfalls to avoid Continue Reading
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Time to restore from backup: Do you know where your data is?
Making a backup is only the start of the process. You must be sure you can restore, that backups contain what you need, and that they will work with the applications that need them Continue Reading
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Storage performance 101: Server, array and fabric/network basics
We look at the key performance attributes of storage media in use today, and the choices and basic tuning steps you can take to get the most from your storage Continue Reading
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Storage 101: Queue depth, NVMe and the array controller
We look at queue depth and fan-out and fan-in ratios. With NVMe they could become a thing of the past, but for now there’s still a bottleneck at the storage array controller Continue Reading
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Storage briefing: NVMe vs SATA and SAS
NVMe brings blistering performance gains over existing HDD-era disk protocols, and is a straight swap-in for PCIe server-side flash with array and hyper-converged products on the way Continue Reading
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It makes sense to go hyperscale/hyper-converged
Hyperscale computing and storage are the norm for web giants. Hyper-converged scenarios make it possible for small and medium-sized enterprises to gain the advantages of combined server/storage nodes Continue Reading
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PCIe SSD: Cache vs storage tier
Adding PCIe flash is a popular way of speeding up application response times, with more rapid I/O guaranteed, but should PCIe SSD be added as cache or as a tier of storage? Continue Reading
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CW@50: How UK home brew gave computing to the masses
From batch processing to the graphical user interface, from desktop PCs to smartphones, from luggables to wearables, computing has come a long way since Computer Weekly was first published in 1966. We look at some of the personal computers that ... Continue Reading
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CW@50: Storage – From punched cards to flash and the cloud
Since the launch of Computer Weekly in 1966, we have moved from a world of punched cards and paper tape to one where flash and the cloud have revolutionised data storage Continue Reading
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CW@50: From ICL to ITIL
Standardisation helps industries to grow. Here in the UK, a number of highly influential standards emerged that have become building blocks for the modern computer industry Continue Reading
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CW@50: The heyday of British computing - how the Brits ruled IT
We examine how the 1940s, 1950s and 1960s became an age of great innovation for the British computer industry Continue Reading
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Case study: Open University uses Microsoft Azure to create course content clearance hub
The Open University recently scooped the award for Best Cloud Project at the CW European User Awards, and here's why Continue Reading
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Cloud, frozen pizza model and the immutable infrastructure
The architecture pattern for immutable infrastructure is based on the made-to-order pizza model Continue Reading
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The internet of things is coming: Is your datacentre ready?
Gartner estimates the IoT will see 26 billion units installed by 2020 – channelling huge volumes of data traffic into datacentres Continue Reading
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Micro-datacentre: What IT problems it solves and what workload systems suit it
A micro-datacentre is a smaller containerised datacentre system designed to solve different problems or to handle different workloads Continue Reading
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Will silicon photonics replace copper cabling in mainstream datacentres?
Silicon photonics can increase bandwidth in servers, improve data transfer speeds and reduce complexity. But are datacentres ready for it? Continue Reading
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Erasure coding vs Raid as a data protection method
Erasure coding is mooted as a potential successor to Raid and backup software Continue Reading
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Can the mainframe remain relevant in the cloud and mobile era?
IBM mainframes run more than 1.1m transactions per second, yet the mainframe has remained largely unfashionable. We investigate Continue Reading
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No more email? Why companies are turning to collaboration technology
Collaboration technologies are helping companies improve their employees' work-life balance Continue Reading
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Make a high-performance computing and high-availability datacentre
High performance computing and high availability systems are no longer limited to engineers and scientists. But is your datacentre ready? Continue Reading
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How Capgemini keeps its Merlin datacentre green and energy-efficient
Capgemini's Swindon-based Merlin datacentre is one of the most energy-efficient in the world. But what makes it green? Continue Reading
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Sweating your datacentre’s IT assets - is it a good idea?
Amid economic uncertainties, businesses want to get more from existing IT assets. But does it make sense from an IT point of view? Continue Reading
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How 3D printing impacts manufacturing
With the ability to create on-demand specialist tools, any initial investment in 3D printing technology could quickly pay for itself. Continue Reading
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Software-defined datacentres demystified
As datacentre managers increasingly rely on software and automation, what can a software-defined datacentre bring to the enterprise? Continue Reading
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How to manage your assets and control business costs
Asset lifecycle management allows the IT department to improve governance, mitigate risk and improve service quality and efficiency Continue Reading
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Blade servers: How to decide on Unix or Linux
If you’re contemplating Unix or Linux for your blade server, or a migration from one to the other, in this guide you will find everything you need to make up your mind. Useful Unix and Linux command lines also included. Continue Reading
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Data migration product specifications
Part of the Tiered Storage Buying guide focusing on product specifications for data migration tools. Continue Reading
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Grpup-buying sites prove unpopular
Group buying sites seemed like a good idea, but failed to attract much attention. Sun and Microsoft's sites, on the other hand,... Continue Reading
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Servers developments under the spotlight
IBM claims a 20%-30% efficiency improvement with its latest processor technology compared with existing chips. The silicon-on-insulator technology uses a glass... Continue Reading -
Case Study: ProLiant servers by Compaq
Building a gas pipeline connecting Britain and the continent proved to be an enormous task, but it’s proved to be a project built... Continue Reading