Reading Time-approximately: 6 minutesHackers know better than to directly attack a well-defended target; learn how they use island hopping attack strategies to elude defenders — and how best to repel them. By Peter Loshin Threat actors targeting large organizations — even ones with effective cybersecurity defenses — will go to any length to get in. Even when the targeted organization does a good
Reading Time-approximately: 7 minutesA blade server, sometimes referred to as a high-density server, is a compact device containing a computer used to manage and distribute data in a collection of computers and systems, called a network. Its role is to act as a conduit between computers, programs, applications and systems. By Laura Fitzgibbons In general, a blade server consists of a chassis, or box-like
Reading Time-approximately: 4 minutesWhite box switches separate two long-intertwined data center components: Networking hardware and the network operating system that runs on it. With such a marked change, it’s no wonder open networking isn’t for everyone. By Ethan Banks The jury’s still out on software-defined networking, but white box switching just might stand the test of time. Disruption is a technology buzzword applied to any
Reading Time-approximately: 2 minutesWhite box switches and hyper-convergence are two upgrades that can breathe new life into your data center network. Learn what they are and how to make them work for you. By David Jacobs Two recent developments promise to alter the ways that compute environments are built and managed. The first, white box switches, lowers network component costs while increasing the
Reading Time-approximately: 6 minutesStorage virtualization is the pooling of physical storage from multiple storage devices into what appears to be a single storage device — or pool of available storage capacity — that is managed from a central console. The technology relies on software to identify available storage capacity from physical devices and to then aggregate that capacity as a pool of storage
Reading Time-approximately: < 1 minuteJBOD (which stands for “just a bunch of disks”) generally refers to a collection of hard disks that have not been configured to act as a redundant array of independent disks (RAID) array. By Brien Posey RAID arrays write data across multiple disks as a way of storing data redundantly (to achieve fault tolerance) or to stripe data across multiple disks to get better performance than any one disk could
Reading Time-approximately: 6 minutesRAID 10, also known as RAID 1+0, is a RAID configuration that combines disk mirroring and disk striping to protect data. It requires a minimum of four disks and stripes data across mirrored pairs. As long as one disk in each mirrored pair is functional, data can be retrieved. If two disks in the same mirrored pair fail, all data will be lost because there is
Reading Time-approximately: 2 minutesIn a battle of RAID vs. backup, both could win. While RAID offers disk failure protection, it falls short in other areas where backup comes in handy. By Brien Posey RAID and backups are both useful — but different — tools for IT pros who protect their organization’s data. RAID cannot provide a suitable substitute for backup, but you can
Reading Time-approximately: 4 minutesWhen overseeing virtual servers, take advantage of self-service VM management, VM templates, monitoring tools and permissions groups to ease the management burden. By Rob Bastiaansen Managing virtual servers has its advantages compared to physical servers, but it also brings new challenges to the table. When each workload ran on its own physical server, management was simple and straightforward. If there
Reading Time-approximately: 4 minutesExpert Brien Posey discusses seven factors to consider when deciding whether or not server virtualization management software would be beneficial for your company. By Brien Posey With a number of different vendors offering server virtualization management software, administrators must question whether such a product is a good fit for their organization. In doing so, there are seven primary considerations that
What is COVID-19?
On 31 December 2019, the World Health Organization (WHO) reported a cluster of pneumonia cases in Wuhan City, China. ‘Severe Acute Respiratory Syndrome Coronavirus 2’ (SARS-CoV-2) was confirmed as the causative agent of what we now know as ‘Coronavirus Disease 2019’ (COVID-19). Since then, the virus has spread to more than 100 countries, including South Africa.
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