Reading Time-approximately: 8 minutesA data lake is a storage repository that holds a vast amount of raw data in its native format until it is needed for analytics applications By Craig Stedman and Ben Lutkevich While a traditional data warehouse stores data in hierarchical dimensions and tables, a data lake uses a flat architecture to store data, primarily in files or object storage. That gives users more
Reading Time-approximately: 3 minutesData centers should consider alternate varieties of storage for different uses. Explore hybrid storage arrays, virtual storage, cloud storage and on-premises architecture. By Allyson Larcom The majority of organizations have multiple types of data to store. Data size, speed of access and application priority dictate what type of storage different data needs. As a result, many organizations use multiple different
Reading Time-approximately: 4 minutesFreeNAS is a FreeBSD based storage platform that utilizes ZFS. The fact that it uses a popular enterprise file system and it is free means that it is extremely popular among IT professionals who are on constrained budgets. Post courtesy of: ServeTheHome With FreeNAS using ZFS as well as effective storage tiering using SSD and RAM caches, many users will
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 minutesAny efforts to improve energy efficiency and cut waste should be applauded. But for every good outcomes, the IT industry seems to take several steps backwards, in its ability to promote energy efficiency and recycling. Cliff Saran Computer Weekly has previously written about the TPM scam on Windows 11. Yes it is a scam, because a perfectly good PC is made
Reading Time-approximately: 2 minutesA converged network adapter (CNA) is a single network interface device that provides the functionality of both a Fibre Channel (FC) host bus adapter (HBA) and a TCP/IP Ethernet network interface card (NIC) By Robert Sheldon and Todd Erickson CNAs connect servers to FC-based storage area networks (SANs) and Ethernet-based local area networks (LANs). A CNA attaches to a server via a
Reading Time-approximately: 2 minutesYou can use these steps to either upgrade or downgrade the IOS on an ISR router. We have used the Cisco 2800 Series Integrated Services Router (ISR) in this example. By Tekmart Africa Enterprise Support First up, you must make sure you have done the following ready : 1) Get the new IOS to the router 2) Verify the integrity
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: 3 minutesHere we will show how to reset the administrator password on the HPE server management board — Integrated Lights-Out (ILO). This guide is based on iLO v4, but it is also applicable to iLO3 and iLO2. Tekmart Africa Enterprise Support Post courtesy of: https://woshub.com/ If you have physical access to your HPE server, you can restart your host and press F9 during the
Reading Time-approximately: 3 minutesHewlett Packard Enterprise has announced a new line of cloud-native compute solutions powered by Ampere Altra and Ampere Altra Max cloud-native processors. Post courtesy of: Harold Fritts With the new ARM-based HPE ProLiant RL300 server line, the company is targeting service providers and enterprises that are embracing cloud-native development. HPE ProLiant RL300 Gen11 The new HPE ProLiant RL300 Gen11 server
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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