In Depth

In Depth

IT suppliers

• Cloud-era disaster recovery planning: Assessing risk and business impact

  In the first in a series on cloud-era disaster recovery, we provide a step-by-step guide to building firm foundations for the disaster recovery plan, with risk assessment and business impact analysis  Continue Reading

• New supercomputer opens doors for researchers in Sweden

  More than twice as powerful as its predecessor, a new supercomputer ushers in new opportunities for researchers who rely on artificial intelligence and machine learning  Continue Reading

• Is the IT sector beset by fear-mongering?

  The arms race between hackers and security teams has led to a plethora of new technologies, but it can be hard to differentiate between sensible cyber purchases and those that are promoted by exaggerating risk  Continue Reading

• 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

• Edge storage: Four key points

  Edge storage is driven by rapidly emerging edge computing and data gathering use cases. We look at why it makes sense to store data at the edge and the key challenges involved  Continue Reading

• Retailers as tech firms: Next, The Very Group and others see power in the platform

  Gap and Reiss are set to utilise Next’s end-to-end e-commerce service, Total Platform, in 2022, as more retailers carve out a future as part tech company  Continue Reading

• Swedish researchers are patiently developing a useful quantum computer

  By 2028, the Wallenberg Centre for Quantum Technology in Sweden expects to have a useful quantum computer  Continue Reading

• Cloud repatriation: Five reasons to repatriate data from cloud

  We look at key drivers of cloud repatriation, including cost, compliance, issues around latency and data gravity, reversing poorly planned moves to the cloud, and supplier failure  Continue Reading

• Social value not yet fully embedded in procurement practices

  Social value procurement rules are designed to diversify the public sector’s supplier base while providing society with wider collective benefits, but are yet to be fully introduced  Continue Reading

• Digital surveillance of remote workers may increase enterprise risk

  From productivity tools to security threats, we explore how digital surveillance is forcing remote workers towards shadow IT  Continue Reading

• How to manage endpoint security in a hybrid work environment

  The future of the workplace is clearly hybrid, but this has untold implications around endpoint security. How can businesses overcome these?  Continue Reading

• Immutable snapshots aim to neutralise ransomware

  Snapshots – usually immutable anyway – get functionality to stop ransomware intruders moving or deleting snapshots, so customers know they have clean copies of data to restore from  Continue Reading

• Five ways the hyper-converged infrastructure market is changing

  We look at changes in the hyper-converged infrastructure market as suppliers go cool, go soft, disaggregate HCI nodes, provide as-a-service options and look to containers  Continue Reading

• French Caisse uses NetApp to move backups to object storage

  State financial arm wanted to move backups held on NAS file-based storage to object storage, so stuck with NetApp StorageGRID and achieved near-seamless migration  Continue Reading

• NVMe-over-fabrics: Five need-to-knows

  We look at five need-to-knows about NVMe-over-fabrics, such as its implementations – RDMA, Fibre Channel and TCP – use cases, hardware and operating system support  Continue Reading

• How Estonia’s country-as-a-service scheme has attracted tens of thousands of foreign entrepreneurs

  Estonia has created a country-as-a-service offering which is attracting entrepreneurs and businesses from across the world  Continue Reading

• HDD support and Zoned Namespaces: Key takeaways about NVMe 2.0

  We look at new capabilities in the most recent iteration of the NVMe flash storage standard  Continue Reading

• Five things you need to know about cloud file services

  We look at cloud file services, which provide a file system-like architecture that gives users access to file data wherever they are, just as if it were a local NAS filer  Continue Reading

• Dell, NetApp and Pure: Healthy results on Covid easing

  Dell’s still top of the storage supplier pile with midrange arrays doing well, but meanwhile NetApp and Pure are making gains on the rise of public cloud  Continue Reading

• Five key questions to ask about storage-as-a-service and consumption models

  We look at important questions to ask providers of consumption-based storage procurement services, such as base costs and burst, usage measurement and upgrade paths  Continue Reading

• DNA storage promises 10 million times storage capacity boost

  A datacentre that fits in the palm of your hand? However, right now, DNA storage is an expensive chemical process that researchers are trying to make a practical proposal  Continue Reading

• Storage-as-a-service: Consumption models from the big six

  We look at the big six storage makers’ consumption model offers, which allow customers to pay for on-prem hardware and cloud storage capacity on a pay-per-use basis, within limits  Continue Reading

• Briefing: Cloud storage performance metrics

  We look at some of the key storage performance metrics that determine what your applications will get from cloud storage, plus cloud essentials that are beyond simple measurement  Continue Reading

• Five things you need to know about NVMe over Fabrics

  We look at NVMe-oF, which extends fast flash across the network – what it is, how it works, use cases, benefits and limitations, and the suppliers of NVMe-oF products  Continue Reading

• Lakehouse concept aims to merge data lake and data warehouse

  Data lakes are big, amorphous and difficult to access, while data warehouses are costly and aimed at structured data. The data lakehouse aims at analytics in an age of unstructured data  Continue Reading

• Cloud storage APIs: What are they and what can be done with them?

  We look at the kinds of application programming interfaces (APIs) available to expose cloud storage to applications, from SME-targeted solutions to higher-end hooks  Continue Reading

• Storage performance metrics: Five key areas to look at

  We look at the essentials in storage performance metrics: capacity, throughput and read/write capability, IOPS and latency, and hardware longevity measured by failure rates  Continue Reading

• Europe’s proposed AI regulation falls short on protecting rights

  The European Commission’s proposal for artificial intelligence regulation focuses on creating a risk-based, market-led approach replete with self-assessments, transparency procedures and technical standards, but critics warn it falls short of being ...  Continue Reading

• Where to run containers? Bare metal vs virtual machines

  We look at the key differences between running containers in virtualised environments and on bare metal servers and focus in on the main trade-offs and decision points  Continue Reading

• What digital transformation means for data storage

  We survey the key planks of digital transformation and look at the storage technologies emerging to support it, such as NVMe and QLC flash, hyper-converged infrastructure and cloud storage  Continue Reading

• Container-native storage: A definition, and what to ask suppliers

  We look at container-native storage – aka cloud-native storage – what defines it, and its benefits as a way of bringing persistent Kubernetes storage to containerised applications  Continue Reading

• Computational storage: What is it? Why now, what for, who from?

  Computational storage is an emerging architecture category, in which compute is put near storage to address I/O bottlenecks resulting from large volumes of data  Continue Reading

• Deploying productivity monitoring software ethically

  While software that tracks the activities of staff can be helpful to companies with a remote workforce, managers must consider employees’ concerns and privacy  Continue Reading

• Backup failure: Four key areas where backups go wrong

  We look at the key ways that backups can fail – via software issues, hardware problems, trouble in the infrastructure and good old human error – and suggest ways to mitigate them  Continue Reading

• Five reasons to look at hyper-converged infrastructure

  HCI promises easy setup, purchasing flexibility, low procurement and operation costs, reliability and all in one box – but there are challenges too  Continue Reading

• Cloud archiving: A perfect use case, but beware costs and egress issues

  The advantages of cloud archiving are ease of use and being well-suited to potential latency issues, but IT teams need to be aware of costs and issues around moving data from and between clouds  Continue Reading

• Where now for storage? Hitachi, IBM and Pure Storage

  Part II: Storage supplier strategy in the cloud era: Hitachi, IBM and Pure Storage. We snapshot the big six hardware makers, as they take things to the cloud and as-a-service models  Continue Reading

• Where now for storage? Dell EMC, NetApp and HPE

  Part I: Storage supplier strategy in the cloud era: Dell EMC, NetApp and HPE. We snapshot the big six hardware makers, as they take things to the cloud and as-a-service models  Continue Reading

• Data warehouse storage: Has cloud made on-premise obsolete?

  There once was no alternative to building a data warehouse on-premise, but with cloud providers targeting analytics, building data warehouses on-site is looking obsolete  Continue Reading

• Ecolabels and data sanitisation key to recycling and reusing IT assets

  Ecolabels on hardware and data sanitisation of devices are key to recycling and reusing old IT equipment respectively, helping enterprises avoid unnecessary asset destruction and contributing to increasingly high levels of electronic waste globally  Continue Reading

• The 3-2-1 backup rule: Has cloud made it obsolete?

  The 3-2-1 backup rule was made for small-scale use in the pre-cloud era when tape still ruled. Is it relevant in the 2020s, or can we repurpose its fundamental principles?  Continue Reading

• QLC flash storage: What it costs and its best use cases

  QLC flash brings high capacities at costs coming down close to spinning disk. So what are the use cases for QLC solid state, which make best use of its relatively low endurance  Continue Reading

• Data lake storage: Cloud vs on-premise data lakes

  The data lake is a fundamental concept of data management. But what type of storage do you need to build a data lake on and what are the pros and cons of on-premise vs the cloud?  Continue Reading

• Five key points about unstructured data storage on-prem and cloud

  We look at unstructured data, the myriad forms of data it comprises and the key storage options available, which include NAS and object storage on-prem and in the cloud  Continue Reading

• Five key questions about Kubernetes backup answered

  We look at when to back up containers, what to protect, the main methods of backup for Kubernetes and the main Kubernetes backup products available in the market  Continue Reading

• Five key benefits of AWS, Azure and Google Cloud file storage

  The big three offer cloud file storage that can ease hybrid cloud operations, with consistency between cloud and on-premise as well as greater enterprise application compatibility  Continue Reading

• Cloud DR from the Big Three: Who’s best at what?

  We look at cloud disaster recovery from AWS, Microsoft Azure and Google to see which is best for provision of turnkey solutions, breadth of portfolio and modular building blocks  Continue Reading

• 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

• Robin.io aims its Kubernetes storage at databases and big data

  Cloud-native storage runs in Kubernetes and pools storage media to present it to application persistent storage needs, including snapshots and backup on top  Continue Reading

• Five key points about cloud vs in-house disaster recovery

  The cloud is well suited as a disaster recovery failover option. The key questions are about what you should keep on-site and what goes to the cloud. We look at five key points to consider  Continue Reading

• Five hyper-converged infrastructure use cases to watch

  We look at workloads ripe for hyper-converged infrastructure deployment. These include virtual servers and desktops, SMEs/remote offices, Kubernetes, and analytics and machine learning  Continue Reading

• Paris post-product studio uses Atempo Miria for live restores

  France-based À La Plage Studio decided on tape as a medium to store its visual production work, with Atempo ADA/Miria as a means to access and restore data to work on  Continue Reading

• RAID, flash and erasure coding: What works best with solid state?

  We look at RAID and flash to highlight key choices when it comes to drive data protection. What RAID levels work best with solid state and when is erasure coding a good choice?  Continue Reading

• 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

• This Christmas, Covid-19 heightens retail security risks for everyone

  Do you think it’s only retailers and consumers who need to consider cyber security when shopping online during the holidays? You’re dead wrong. This year, the Covid-19 pandemic and the shift to remote working has thrown a spanner in the works  Continue Reading

• IP surveillance: The storage it needs, on-premise and in the cloud

  Surveillance is changing, with the evolution from simple streams of sequential images to the application of AI to video, as well as an increasing move to use of the cloud  Continue Reading

• Brain researchers get NVMe-over-RoCE for super-fast HPC storage

  French neurological researchers deploy Western Digital OpenFlex NVMe array for super-fast HPC storage with Ethernet-based NVMe-over-Fabrics connectivity across several floors  Continue Reading

• 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

• Spinning disk hard drives: Good value for many use cases

  When it comes to storage media, all talk is of flash, but there are plenty of use cases where – far less costly – spinning disk can do a perfectly adequate job in the enterprise  Continue Reading

• Unified file and object storage: The best of both worlds?

  Unified file and object storage tackles growing volumes of unstructured data in a way that’s compatible with traditional and cloud-era applications, and friendlier to analytics  Continue Reading

• NVMe-over Fabrics: How NVMe-oF revolutionises shared storage

  NVMe brought super-fast flash storage to the datacentre, but it needs NVMe-oF to allow it to bring the benefits of rapid access and low latency to SAN and NAS shared storage  Continue Reading

• Backup audit: What is a backup audit and why do we need them?

  Backup and recovery are vital components to protect against data loss, whether technical or causes such as ransomware. So how can a backup audit help protect our key assets?  Continue Reading

• Erasure coding vs RAID: Data protection in the cloud era

  Erasure coding has come to prominence with its use in object storage and, by extension, in the cloud. We run the rule over its pros and cons vs RAID data protection  Continue Reading

• Top five ways to benefit from tape today

  We look at the benefits that tape can bring, including in backup and recovery, long-term and ‘warm’ archiving, compliance and WORM use cases and ‘air gapping’ to protect data  Continue Reading

• 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

• Cloud storage costs: How to get cloud storage bills under control

  Many organisations look to the cloud to cut storage budgets, but the potential costs are many and varied. So what are the key ways to cut cloud storage costs?  Continue Reading

• Five on-premise and cloud options for network-attached storage

  We look at five options for file access storage, from ‘traditional’ NAS in a standalone appliance to distributed hybrid cloud file storage and NAS cloud gateways  Continue Reading

• Storage pros and cons: Block vs file vs object storage

  Despite the many changes in storage, there are still some fundamentals that hold true. We look at the key defining characteristics and use cases of block, file and object storage  Continue Reading

• Decision points in storage for artificial intelligence, machine learning and big data

  Artificial intelligence and machine learning storage is not one-size-fits-all. Analytics work differs, and has varied storage requirements for capacity, latency, throughput and IOPS. We look at key decision points  Continue Reading

• Auditing for algorithmic discrimination

  Despite the abundance of decision-making algorithms with social impacts, many companies are not conducting specific audits for bias and discrimination that can help mitigate their potentially negative consequences  Continue Reading

• Cloud flash storage: SSD options from AWS, Azure and GCP

  We look at the flash storage options available from the big three cloud providers – Amazon Web Services, Microsoft Azure and Google Cloud Platform – that can help narrow the gap between on-site and cloud workloads  Continue Reading

• Cloud storage on-site hardware: AWS, Azure, Google Cloud

  We look at the big three cloud vendors’ on-site offerings: AWS’s Outposts, Gateway and Snow hardware, Azure’s Stack and Arc appliances, and Google Cloud’s software-defined Anthos  Continue Reading

• Cloud storage 101: NAS file storage on AWS, Azure and GCP

  We look at NAS file storage options in AWS, Azure and Google Cloud. All three offer native-based and NetApp-based file storage, with Azure adding single namespace cache services  Continue Reading

• Cloud storage 101: File, block and object storage in the cloud

  We run the rule over file, block and object storage from the big three public cloud providers: AWS, Azure and GCP. We look at what’s on offer and the use cases they are aimed at  Continue Reading

• Mainframe storage: Three players in a market that’s here to stay

  Far from disappearing, the mainframe market and the storage it needs is here to stay for some time. The three key array makers compete with high-end flash-equipped products  Continue Reading

• Storage 101: Replication vs backup, and synchronous vs asynchronous

  Storage 101: Can replication replace backup? What are the pros and cons of synchronous and asynchronous backup? What’s the best way to mix backup and replication?  Continue Reading

• Storage 101: Crash-consistent vs application-consistent snapshots

  We look at crash-consistent and application-consistent snapshots and backup, how they are defined, the pros and cons of each and the benefits and limits of Windows VSS  Continue Reading

• Snapshots 101: Array vs backup software

  We run the rule over snapshots in storage arrays and backup software and find a range of capabilities that go from mere support to fully snapshot-centric approaches  Continue Reading

• Storage 101: Snapshots vs backup

  We go over the basics of snapshots. They are a quick and accessible way of protecting data, but they are not a substitute for backup. So how do you combine the two?  Continue Reading

• High-performance object storage: What’s driving it?

  Object storage is getting its performance on to meet the needs of content delivery, analytics and IoT use cases while enabled by rapid flash storage media and other tech advances  Continue Reading

• 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

• What’s the problem with NAS backup?

  NAS backup has always been problematic, but what exactly are the issues with NDMP, and what are backup suppliers doing to make a decades-old storage staple easier to protect?  Continue Reading

• Computational storage: What is it and what are its key use cases?

  Computational storage brings the CPU to the storage and so boosts system performance by tackling processing tasks, such as near the edge or in AI/machine learning workloads  Continue Reading

• How Oxeva delivered budget analytics with Pure Storage flash NAS

  Web hosting provider Oxeva thought the consultants were mistaken and that what suited the web giants for analytics/big data wasn’t necessarily what was needed for enterprise customers  Continue Reading

• Container storage 101: What is CSI and how does it work?

  We look at the container storage interface, which provides an interface to persistent storage in the products of storage array makers, and how it relates to Kubernetes  Continue Reading

• Flash storage tiers: Performance, cost and use cases

  We look at performance, cost and potential use cases for the key flash storage types available, such as Nand flash, 3D Xpoint and Intel Optane, plus SAS, SATA and NVMe connectivity  Continue Reading

• Rook 101: Building software-defined containerised storage in Kubernetes

  Rook – think castles, not birds – uses the principles of containerisation and the methods used in Kubernetes to build storage that’s abstracted from the hardware it lives on  Continue Reading

• Spread of Kubernetes spurs backup and disaster recovery products

  Growth of containerised applications brings with it the need to back up and provide disaster recovery. But what do you need to protect, and who provides the products?  Continue Reading

• Do you use cloud storage for these use cases yet?

  We look at the use cases most suited to a quick transition to the cloud: backup, archiving, disaster recovery, file storage and cloud bursting – cloud storage’s low-hanging fruit  Continue Reading

• Big storage meets cloud in the datacentre 'as-a-service' revolution

  Cloud is mainstream but the datacentre’s here to stay. This has resulted in a trend towards as-a-service in the datacentre where big storage array makers and the cloud giants meet  Continue Reading

• Five ways that backup has changed since the days of tape

  Back in the day, all this was tape, but times have changed, with cloud-to-cloud backup, cloud storage, virtual and physical backup appliances and myriad endpoint hardware  Continue Reading

• Processors re-imagined: Will cloud and AI lead mean all change in the datacentre?

  We look at the changes cloud-native platforms and artificial intelligence could bring about in the datacentre.  Continue Reading

• Top 10 storage deployment stories of 2019

  Here are ComputerWeekly’s top 10 storage deployment stories for 2019, which see quite a move away from traditional SAN and NAS to hyper-converged, software-defined storage and object storage  Continue Reading

• How to buy hyper-converged infrastructure

  Simplicity, high availability, scalability and reduced cost are among the benefits of hyper-converged infrastructure. We survey the benefits, pitfalls and the key suppliers  Continue Reading

• SME disaster recovery made easy with cloud, hybrid and HCI

  Disaster recovery is a lot easier for small businesses than it used to be, with use of the cloud, hybrid cloud, physical and virtual appliances, and hyper-converged infrastructure all among the choices on offer  Continue Reading

• NVMe-over-TCP brings super-fast flash over standard IP networks

  TCP is the latest transport protocol that can be used to connect NVMe flash storage. We explain how NVMe-over-TCP works and the key advantages for datacentre customers  Continue Reading

• What is QLC flash and what workloads it is good for?

  QLC flash offers low per-gigabyte costs and lots of capacity, but can be limited by endurance and I/O performance. It can be a good disk replacement for several workloads, however  Continue Reading

• Is NVMe flash the right choice for you?

  NVMe flash storage boosts performance for I/O-hungry operations, but how does it work, where can organisations best deploy it, and what are the key uses cases where it can make a difference?  Continue Reading

• Key storage choices: Cloud vs tape for archive storage?

  Tape still has benefits, such as an ‘air gap’ that can insulate archives from threats to data integrity. But what are the opportunities for cloud in tape’s traditional use cases?  Continue Reading

• Do non-compete clauses risk stifling cloud innovation?

  Non-compete clauses in tech employment contracts are commonplace – and understandably so – but could they be limiting innovation in the public cloud?  Continue Reading