In Depth
In Depth
Datacentre capacity planning
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Pseudo-SLC flash storage: What is it, what’s it good for and what does it cost?
Pseudo-SLC takes MLC, TLC flash and changes data storage at cell level to get better endurance and performance, but it’s mostly aimed at edge applications and is costly Continue Reading
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The rising prominence of hybrid cloud in the Nordics
Many Nordic organisations have opted for hybrid cloud environments, subscribing to the newest services without giving up what they already have. Best practices are beginning to emerge for managing the heterogenous environment Continue Reading
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French TV giant sticks with Dell NAS for channel upgrade
TF1 has the biggest market share in French TV, but plans for more. It has upgraded from Isilon to PowerScale scale-out NAS and saved 42% in energy costs, halving rackspace use Continue Reading
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Cloud is not always the answer: Five reasons why
We look at why the cloud is not always the best choice, including for reasons of cost, application suitability, management, data protection and the needs of the business Continue Reading
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Cloud-to-cloud backup: What it is and why you (probably) need it
Basic cloud data protection is just not enough. Several loopholes leave business data vulnerable and that means additional cloud-to-cloud backup should be seriously considered Continue Reading
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Storage technology explained: Flash vs HDD
In this guide, we examine the differences between flash storage and HDD, the rise of NVMe and much denser formats such as QLC, and whether or not flash will vanquish HDD in the all-flash datacentre Continue Reading
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Levelling the playing field: Could a UK cloud strategy weaken the hold of the hyperscalers?
Over time, global hyperscale has taken a majority share of the UK market. How best could the government respond to Ofcom’s review to sustain local industry while best serving customers? Continue Reading
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On-prem vs cloud storage: Four decisions about data location
Hybrid cloud is now a reality. But how to decide what data goes where? We highlight four key decision points to evaluate whether data should be stored on-premise or in the cloud Continue Reading
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Iceland provides northern lights for Europe’s digital neighbourhood
As the price of energy has rocketed, IT companies running power-hungry services and datacentres are feeling the heat. It's why Iceland believes its subsea networks and growing datacentre industry offer advantages Continue Reading
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Pure Storage: Flash ‘startup’ that brings late entrant advantage
Storage profile: We look at Pure Storage, the youngest of the array makers, which comes to market with well-developed flash, hybrid cloud and consumption purchasing models Continue Reading
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ERP’s storage requirements and options in the cloud
We look under the hood at ERP and its databases, the storage needed to support ERP’s I/O requirements, block, file and object storage and ERP in an era of hybrid cloud Continue Reading
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Dell EMC: Storage giant shifts gear to cloud operating models
Storage profile: We look at Dell EMC, the result of the biggest tech acquisition ever, and find a company well set for ubiquitous cloud operating models and as-a-service Continue Reading
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The all-flash datacentre: Mirage or imminent reality?
Some say disk is dead and we’re on the cusp of the all-flash datacentre. But when will flash capacity and cost hit a point where it is suited to more than just high-tier storage? Continue Reading
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DPU 101: What are DPUs, what do they do, and who supplies them?
We look at data processing units, the latest in a line of hardware offload devices that emerged in the era of composable infrastructure. They come as hardware and even in the cloud Continue Reading
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Five key questions about disaster recovery as a service
Disaster recovery as a service builds recovery data and systems into the cloud, accessible from anywhere. We look at the difference vs cloud backup, DRaaS use cases, the cost, and the firms that provide it Continue Reading
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Will computational storage meet data processing demands?
Computational storage promises performance for workloads that can benefit from dedicated oomph, but it’s not a cure-all. It may come at a cost, and with added application complexity Continue Reading
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Cloud NAS, what is it good for?
We look at NAS file access storage, how it works, what it’s good for and the possibilities to access storage for files and unstructured data in the public cloud Continue Reading
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IBM reorients to offset historic storage hardware decline
Storage profile: We look at IBM and the strategic shifts it has made towards the cloud, cloud-native and as-a-service offerings that aim to reverse a long-term decline in revenues Continue Reading
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Toyota car plant outage shows database capacity planning is vital
How could database deletes and re-organisation take out car production for 36 hours at 14 plants? We drill down into the details of database capacity planning Continue Reading
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CXL in the datacentre: Boosting memory for hungry workloads
We look at CXL, how it revolutionises connectivity between memory components, potentially saves energy, and adds oomph to heavily memory-dependent workloads such as AI analytics Continue Reading
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HPE storage comes with full IT stack, hybrid cloud and as a service
Storage profile: We look at HPE, its Alletra storage refresh, and Greenlake and the ways the company is re-branding as a full-stack provider across on-prem and hybrid cloud Continue Reading
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Tackling Scope 3 emissions in materials to help meet datacentre climate goals
Fanciful carbon accounting practice might not help much with emissions reduction, but specific materials values are already on offer from steel makers and the like that can assist datacentre operators Continue Reading
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How APAC organisations can drive IT sustainability
From using liquid cooling and optimising data storage to tapping renewable energy and recycling tape drives, organisations across the region are upping their sustainability efforts Continue Reading
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Huawei a big storage hitter despite international troubles
Huawei is a leading storage player with an enterprise product offer across file, block and object storage, and the cloud, despite controversy and trading difficulties Continue Reading
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Hitachi Vantara: Small part of a big corp and analytics focus
We look at Hitachi Vantara, its storage, its cloud offer, the workloads it targets, and its efforts in containerisation and consumption models of storage purchasing Continue Reading
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Is the UK datacentre industry set for further consolidation?
Turbulent times make it tricky to predict which way markets will jump, yet UK datacentres continue to grow and hold investor attention Continue Reading
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Pure Storage: HDDs dead by 2028 and our flash will replace it
Pure Storage says spinning disk is doomed, and only it can provide a replacement. We look at the rationale behind its bold message, and the possible impacts of such a scenario Continue Reading
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Software-defined storage: What it is and variants available
SDS is available in numerous variants. It is usually cheaper, flexible to deploy and brings storage efficiencies, but there are pitfalls in complexity, management and performance Continue Reading
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PLC flash: The next generation or a mirage?
PLC could be productised within two years, but chip makers might not think it worth the effort. Will managing multiple voltages be more hassle than adding layers to existing flash? Continue Reading
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Quantum computing: What are the data storage challenges?
Quantum computing will be able to process massive amounts of data at extraordinary speeds, but challenges exist in data storage. How will today’s storage systems keep pace? Continue Reading
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HDD specs: Assess SATA vs SAS, sustained data rates and block size
In part two of a two-part series, we look at sustained data rates in hard disk drive specs, SATA versus SAS, drive security, and how HDD makers pack density into products by shingling Continue Reading
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HDD specs: Assess MTTF, AFR and UER to get the drives you need
In part one of a two-part series, we look at key hard disk drive specs, including mean time to failure, annual failure rate and unrecoverable error rate, and how they relate to each other Continue Reading
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Unstructured data and the storage it needs
We look at unstructured and semi-structured data and find increasing amounts of production workloads that have their own storage hardware – file and object – needs, including flash Continue Reading
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Schneider Electric on why datacentre operators need to close the ‘sustainability gap’
Datacentre operators sometimes have a hard time ensuring their actions match their words and pledges on sustainability matters, which could put the industry at risk of greenwashing accusations, Schneider Electric warns Continue Reading
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Green storage: Savings to be made but tricky to achieve
Storage upgrades can bring energy savings. New hardware, the cloud and as-a-service procurement models all cut costs, but can need careful tweaking to get right Continue Reading
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Why the devil’s still in the detail in the race for energy efficiency
Energy-efficiency credentials are surely a step in the right direction, but cloud and datacentre providers must look at the sustainability equation from all angles Continue Reading
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Storage hardware shortage causes and how to mitigate them
We look at the IT supply chain shortages that have hit data storage equipment, their causes and what organisations can do to work more smartly to mitigate them Continue Reading
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Reverse cloud migrations: Why some enterprises are shifting their IT back on-premise
With a steady trickle of customer organisations returning on-premise, a need to plan better may not be the whole story Continue Reading
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Datacentres in the dark: How the sector is preparing for the prospect of planned winter power cuts
Against a backdrop of ongoing uncertainty in the energy market, the UK datacentre market is readying itself for ‘worst case’ planned power cuts this winter Continue Reading
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Expensive datacentre outages: Untangling messy collaborations, contributing costs and complexity
Even if outages in the datacentre are trending down, Uptime data this year traces rising costs per outage. So what can be done? Continue Reading
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Cloud bursting: Six key steps in planning and decision-making
We explore the key stages in a cloud bursting project: assessing the data and workflows, variants in the mechanism, application suitability, having the right resources, and planning and testing Continue Reading
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Cloud bursting: What is it, what workloads, what technologies?
We look at cloud bursting, its benefits and how to deploy it, as well as the limitations in terms of suitable workloads, the technologies needed and the skills to make it happen Continue Reading
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Air gaps for backup and how they help against ransomware
The air gap is a basic of backups and storage. We look at what’s meant by an air gap, the rise of the logical air gap, and its place in the fight against ransomware Continue Reading
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What cloud users need to know: Ensuring greater end point engagement for improved cloud delivery
Although early-adopter worries about cloud may have dissipated, the end-user experience can still leave much to be desired Continue Reading
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Carbon copies: How to stop data retention from killing the planet
Our society has a serious digital hoarding problem, which is coming at a cost to the environment. But what can be done to address it? Continue Reading
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AIOps for storage: Potential huge benefits, but lots of lock-in
Applying artificial intelligence and machine learning to storage can help to predict bottlenecks, diagnose I/O issues and recommend upgrades, but suppliers’ products are largely limited to their own hardware Continue Reading
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Cloud bursting: What it is and what it’s good for
We look at cloud bursting, which allows organisations to meet demand by bursting compute and storage to the cloud Continue Reading
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Burning up: Mitigation should sustain datacentre operations during extreme heat
July’s temperature spike put headline heat on regional operations at Google and Oracle. Datacentre operators must side-step similar mistakes to avoid climate change-related collapse in future Continue Reading
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Cloud storage TCO: Key pitfalls and how to avoid them
Cloud’s flexibility is part of the attraction, but it can also lead to costs that spiral. We look at key elements in cloud TCO and how to intelligently make use of the cloud Continue Reading
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Bfloat16: What it is and how it impacts storage
Bfloat16 is an emerging way to handle very large numbers, developed by Google for its machine and neural learning and prediction. We look at what it means for IT and storage Continue Reading
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Data classification: What it is and why you need it
To be compliant, to ensure data is optimally protected, that it is available, that it can be analysed and that it is stored most cost-effectively – these are reasons why data classification is vital to organisations Continue Reading
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Icelandic datacentres may lead the way to green IT
Iceland may soon become even more attractive to companies wanting to minimise their carbon footprint while using high-performance computing services Continue Reading
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Unstructured data storage – on-prem vs cloud vs hybrid
We look at storage for unstructured data on-premise, in the cloud and across multiple locations. There are advantages to a hybrid approach, but there can be hidden costs, too Continue Reading
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Data gravity: What is it and how to manage it
Data gravity can attract increasing amounts of data, and brings with it onerous management overheads. We look at how to mitigate data gravity in datacentre and cloud Continue Reading
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Looking ahead: How to create a multi-year datacentre capacity plan
Datacentres and cloud providers without a crystal ball can make educated guesses on future requirements to right-size resources and infrastructure Continue Reading
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Unified file and object storage: Three suppliers and their approaches
We look at unified file and object storage products from NetApp, Pure Storage and Scality, the differences, the workloads aimed at, and how unified they actually are Continue Reading
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Hydrogen’s promise: How fuel cells might power lower-carbon datacentres
Could UK datacentre operators soon adopt emerging hydrogen technologies to reach expanding energy and emissions requirements? Continue Reading
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The time is now: Edge datacentres come of age
After years of hype and speculation, could the post-pandemic period see a resurgence in interest in the build-out of edge datacentres and compute environments as enterprises look to dust off projects that Covid-19 forced them to shelve? Continue Reading
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Weighing up the nuclear option for powering datacentres
Resourcing energy-hungry IT through the race to reduce carbon emissions means looking objectively at all the options, including nuclear power Continue Reading
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Datacentres and climate change: Operators accused of being all talk and no action on sustainability
Datacentre operators talk a good fight when it comes to tackling climate change, but there is far more they should and could be doing to make their operations more sustainable, say experts Continue Reading
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Decarbonising datacentres: Turning the hot air about heat reuse into real-life use cases
Reusing waste heat from datacentres to warm local businesses and homes could bring about considerable reductions in carbon emissions and lower energy costs, so what needs to happen to make this a more widespread practice? Continue Reading
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How to beat the heat: What can datacentre operators do to meet emissions targets?
With new mandates around sustainability proliferating, datacentres must find ways to meet their environmental goals while remaining competitive and meeting customer service-level expectations Continue Reading
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Stakes raised for hybrid cloud as complexity challenges continue
Hybrid cloud may be with us for some time, so what does that mean for cloud provision in 2022? Continue Reading
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Object storage: How research institute got 850TB for €150,000
French scientific research institute had its budgets cut and to meet the new cost constraints, it settled on Swarm software-defined object storage from DataCore Continue Reading
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Sharp end of the edge: Managing micro-datacentres in a shared environment
Ongoing diversification in datacentre types gives rise to management challenges for operators, prompting a rethink about how they run their sites Continue Reading
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Evolving datacentre chipsets put cooling, power and software management techniques under microscope
New processor designs that could revolutionise approaches to supporting higher power densities at the rack still look years away, it appears Continue Reading
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Scale-up vs scale-out: Horizontal vs vertical scaling for storage
We look at the differences between scale-up and scale-out in storage – or horizontal vs vertical scaling – and the key ways it can be carried out on-prem and in the cloud Continue Reading
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Clouds gather over Chinese providers – but is there a silver lining?
With the geopolitical outlook chillier than for some time, Computer Weekly explores the future prospects for UK-China approaches to technology and business Continue Reading
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How can enterprises avoid datacentre supply chain issues affecting IT upgrades?
With analysts predicting that the current datacentre component shortages could last for at least two years, CIOs are being advised to act now to prevent the situation affecting their IT upgrade plans Continue Reading
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Riskier business: How Brexit could be changing downtime risk and resilience in the datacentre
As the UK enters the final quarter of its first year from the Brexit transition period, the risk picture for local datacentres remains unclear Continue Reading
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Could Iceland be the best place in the world for high-performance computing?
Most of Iceland’s cheap, sustainable energy is currently used by aluminium smelters, but recognising the need to diversify, the Landsvirkjun power company now promotes other uses Continue Reading
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The second coming: The Nordic datacentre market comes of age
As concerns mount about space and power constraints within several of Europe’s largest datacentre hubs, enterprises are being urged to consider shifting more of their energy-intensive workloads to the Nordic countries Continue Reading
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APAC datacentres gear up for the future
Datacentre operators in the Asia-Pacific region are dabbling in advanced power and cooling solutions, along with machine learning and edge computing, to keep pace with growing demand for their services Continue Reading
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Post-pandemic IT: Are virtual datacentre tours here to stay?
A physical tour of a datacentre has traditionally been a key marketing and selling tool for colocation operators, and the Covid-19 pandemic has forced many to provide virtual alternatives. But how do they compare? Continue Reading
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Nautilus Data Technologies CEO on building waterborne datacentres in the name of sustainability
James Connaughton, CEO of waterborne datacentre design champion Nautilus Data Technologies, sets out why the firm is convinced that water-cooled facilities are the answer to the tech industry’s sustainability woes Continue Reading
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Living on the edge: The enterprises working with distributed cloud
Distributed public cloud services are seen as driving future advances at the network edge but few companies are as yet enjoying full-fledged benefits Continue Reading
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The National Security and Investment Act: What datacentre operators and investors need to know
The incoming National Security and Investment Act will give the UK government enhanced powers to pre-screen and intervene on datacentre M&A deals, prompting concerns it could dampen the sector's soaraway growth rates Continue Reading
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Five ways to boost systems utilisation in the datacentre
Datacentre operators are always looking for ways to cut costs and improve the efficiency of their facilities. Here we ask the experts for their top five tips for reducing the operating costs of running a server farm Continue Reading
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NHS datacentre transformation projects continue apace during pandemic
NHS trusts have continued to invest in their datacentre estates throughout the Covid-19 pandemic, but the nature of their upgrade projects continues to evolve Continue Reading
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With connectivity on the rise, Africa is a hotspot for datacentre investments
We look at opportunities for datacentre operators in setting up or partnering with local firms in Africa Continue Reading
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How colocation fits alongside a cloud-native architecture
IT departments are on a cloud-native roadmap to become more agile, but they are constrained by the risks involved in migrating core systems and data Continue Reading
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Data Dynamics aims at single view of unstructured data
Data volume is ballooning, and storage is becoming more disparate, which makes the need for a single platform to manage storage and compliance a key requirement for organisations Continue Reading
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Datacentre energy efficiency: Is the time now for a big switch-off?
The clock is ticking on sustainable IT and energy use, and much more can be done to save energy, power and reduce emissions at a datacentre level. So why isn’t it happening? Continue Reading
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Serverless: Weighing up the pros and cons for enterprises
The concept of serverless computing has been gaining traction within enterprises for several years now, but what is it and how do CIOs know if it is the right fit for their applications? Continue Reading
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The end is nigh: Are datacentre operators prepared for a potential no-deal Brexit?
Datacentre operations are resilient and forward-thinking by nature, yet pitfalls and cost impacts are looming large with a potential no-deal Brexit on the horizon Continue Reading
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A safe bet: How Covid-19 is fuelling investor interest in the datacentre industry
With demand for cloud and colocation capacity soaring on the back of the Covid-19 pandemic, datacentres are looking like an increasingly attractive bet for the investor community. Computer Weekly finds out why Continue Reading
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Intel Optane Persistent Memory aims to fill the gap DRAM can’t
We look at Optane and its PMem product that Intel believes will fill a big gap between memory and storage that DRAM technology just cannot deal with Continue Reading
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CTO interview: Octopus Energy on using cloud power to get consumers to flip the switch on renewables
Octopus Energy is on a mission to disrupt the global energy market, and is banking on the AWS cloud and an innovative software licensing agreement to help it do just that Continue Reading
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Storage analytics: How AI helps storage management
We look at storage analytics products that measure key metrics in storage hardware, single-vendor and multi-vendor tools, and how AI-based storage management and AIOps is emerging Continue Reading
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Aerospace and satellite comms: The next growth frontier for cloud service providers?
Space projects of the near future are less sci-fi and more about driving efficiencies through business intelligence, edge analytics and cloud technologies Continue Reading
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Coronavirus: Weighing up the responses of the public cloud giants to Covid-19
The Covid-19 coronavirus pandemic had a huge impact on the demand for cloud services from enterprises worldwide, but how have the cloud giants fared behind the scenes? Continue Reading
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Coronavirus: How Covid-19 has elevated the status of the datacentre industry
The pandemic has served to highlight just how dependent the world is on the datacentre community – and governments, policy-makers and investors are taking note Continue Reading
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Keeping the lights on: Managing datacentre engineers through Covid-19
The coronavirus pandemic has seen datacentre engineers reclassified as “essential workers”, but how are their employers ensuring they can continue to do their work in a safe and secure way? Continue Reading
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The Billion-Year Archive project: A post-apocalyptic disaster recovery plan
The Arch Mission Foundation’s Nova Spivack opens up about its Billion-Year Archive project, which aims to provide the Earth with an apocalypse-level disaster recovery plan Continue Reading
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Coronavirus: Hardening up datacentre equipment supply chains post-Covid-19
Fears about hardware shortages, staff absenteeism and how to keep sites up and running with social distancing have dogged the datacentre sector since the start of the pandemic, so how is the sector faring? Continue Reading
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Multicloud storage 101: Pros, cons, pitfalls and strategies
Not putting all your eggs in one basket can be helpful to an enterprise’s resilience strategy. We look at multicloud storage and the benefits and pitfalls it brings Continue Reading
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Malaysia’s business continuity planning readiness a mixed bag
Larger Malaysian enterprises have BCP in place, but SMEs lag behind and will find it harder to weather the Covid-19 storm Continue Reading
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Edge computing environments: what you need to know
An edge case in business sits at the limits of what's viable, and edge computing requirements suggest a similar struggle Continue Reading
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Lean, mean and green: The datacentres of the future
Working out how to develop more efficient datacentres in an increasingly resource-hungry world is not easy, but it is possible Continue Reading
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Cache vs tier: What’s the difference between cache and storage?
We look at the key distinctions between cache and tiers of storage, and where the line has become blurred with fast flash, 3D Xpoint and storage class memory technologies Continue Reading