Reading Time-approximately: 3 minutesCPUs have evolved to meet ever-increasing technology demands. We look at the way performance and power characteristics have shifted in recent years. By Brien Posey When purchasing server hardware, organizations have always had to decide on CPU type. In the early days, this decision might have been as simple as choosing between an Intel or AMD processor. There are now
Reading Time-approximately: 7 minutesUnderstand, communicate, monitor, check logs, ask for support. Follow these guidelines, and make troubleshooting server problems quick and easy. By Adam Fowler Server troubleshooting is a fine art, but there are some quick and easy methods and tips to get things running smoothly. ITIL methodology delves into how to troubleshoot a server or a related issue more deeply, but the general theme is
Reading Time-approximately: 3 minutesBy Robert Sheldon Lights-out management (LOM) is a form of out-of-band management. It enables system administrators to connect remotely to servers and other data center infrastructure to monitor and maintain those systems. With LOM in place, IT teams can keep their systems running and respond to potential problems no matter where they are located, even if they’re on the other side of
Reading Time-approximately: 5 minutesIntel, AMD and Arm processors optimize virtualization in multiple ways. Read up on the features for Intel VT, AMD-V, Armv9, Intel APICv, and AMD AVIC tech, as well as how they support VMs. By Stephen J. Bigelow Chipmakers Intel, AMD and Arm Ltd. implement instruction set extensions that enable hardware support for virtualization, but it can be difficult to make
Reading Time-approximately: 2 minutesFollow these steps to recover the password on the CLARiiON and VNX array. By Tekmart Enterprise Support Team You might have a VNX5100 array and encounter a situation where it was initialized by someone in the past and you no longer know the username and password to login to it from unisphere. Follow the below steps to recover that password
Reading Time-approximately: 6 minutesThe NVMe protocol is tailor-made to make SSDs fast. Get up to speed on NVMe performance and how it compares to the SATA and SAS interfaces. By Robert Sheldon The NVMe protocol has become the industry standard for supporting solid-state drives and other non-volatile memory subsystems. NVMe speeds are substantially better than those of traditional storage protocols, such as SAS
Reading Time-approximately: 8 minutesRAID protects data and improves storage performance and availability, but it can be confusing. Read about the different types of RAID, the pros and cons, and where they work best. By Erin Sullivan, Christopher Poelker and Stacey Peterson RAID originally stood for redundant array of inexpensive disks. Today, the acronym has been updated to redundant array of independent disks. But RAID’s purpose
Reading Time-approximately: 2 minutesA motherboard tattoo is a colloquial term once used to denote an ID code that is written in the basic input/output system (BIOS) of a computer to uniquely identify the computer. By Gavin Wright This ID code is used to ensure that system restore, or diagnostic CDs will only work with the computer they come with. It is set by
Reading Time-approximately: 3 minutesVirtual storage offerings are not one size fits all. Factors in virtualized storage software selection include storage type, current infrastructure and management tools. By Brien Posey Storage virtualization is one way admins can improve migration speed, host more than one array type and make costs more predictable. Yet, like any technology, IT managers must ensure whatever software tool they choose
Reading Time-approximately: 4 minutesA host bus adapter (HBA) is a circuit board or integrated circuit adapter that connects a host system, such as a server, to a storage or network device. By Robert Sheldon and Carol Sliwa An HBA also provides input/output (I/O) processing to reduce the load on the host’s microprocessor when storing and retrieving data, helping to improve the host’s overall performance. An HBA and its associated disk subsystems are sometimes
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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