Reading Time-approximately: 6 minutesA server is a computer program or device that provides a service to another computer program and its user, also known as the client. In a data center, the physical computer that a server program runs on is also frequently referred to as a server. By Brien Posey That machine might be a dedicated server or it might be used for other purposes. In the client/server programming model,
Reading Time-approximately: 2 minutesA Volume Shadow Copy Service-based backup (VSS-based backup) is a Windows service that captures and creates snapshots called shadow copies. By Brien Posey and John Hilliard VSS, also known as Volume Snapshot Service, operates at the block level of the file system and enables virtual server backup in Microsoft environments. In addition to the service itself, Windows VSS has three major components: VSS writer: Each VSS-aware application
Reading Time-approximately: 4 minutesWe 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 By Antony Adshead Despite the prevalence of many forms of data protection – that range from local RAID via snapshots and replication to keeping copies in the cloud – the
Reading Time-approximately: 2 minutesAutomated backup systems are easy to understand with just a few basic concepts. Here’s what you need to know about this highly reliable and increasingly popular technology. By John Edwards Automation has transformed a wide range of formerly undependable, labor-intensive data center technologies, and backups are no exception. Automated backup systems can improve backup quality and reliability, while staff members
Reading Time-approximately: 6 minutesQuality of service (QoS) refers to any technology that manages data traffic to reduce packet loss, latency and jitter on a network. QoS controls and manages network resources by setting priorities for specific types of data on the network. ByBen Lutkevich and Katherine Finnell Enterprise networks need to provide predictable and measurable services as applications — such as voice, video and delay-sensitive data — to traverse a
Reading Time-approximately: 5 minutesHPE SSDs are suited to enterprise environments with highly random data under a variety ofwrite-workload applications. By Tekmart Enterprise Support Team HPE SSDs are a drop-in replacement for existing HDDs. They fit into existing HDD hot-plug bays and require no modification to operating system or infrastructure tools. The drives are recognized as standard SAS or SATA devices with no special
Reading Time-approximately: < 1 minuteA read-intensive solid-state drive (SSD) is a storage or caching device intended for use with applications that write data infrequently. By Carol Sliwa A read-intensive SSD is able to use NAND flash memory with a lower endurance level than an SSD that targets write-intensive workloads, such as online transaction processing, high-performance computing, and data warehousing. High numbers of writes can cause NAND flash wear-out, and manufacturers of SSDs intended for write-intensive workloads generally use
Reading Time-approximately: 2 minutesPrivilege creep is the gradual accumulation of access rights beyond what an individual needs to do his or her job. In information technology, a privilege is an identified right that a particular end user has to a particular system resource, such as a file folder or virtual machine. By Crystal Bedell Privilege creep often occurs when an employee changes job responsibilities within the
Reading Time-approximately: 3 minutesThe principle of least privilege (POLP) is a concept in computer security that limits users’ access rights to only what are strictly required to do their jobs. Users are granted permission to read, write or execute only the files or resources necessary to do their jobs. This principle is also known as the access control principle or the principle of minimal privilege. By
Reading Time-approximately: 3 minutesEnergy-efficient storage promises several benefits. Finding the right approach requires carefully assessing available technology, where you keep your data and costs. By John Edwards As more organizations contemplate transitioning to an energy-efficient data center, green data storage is gaining attention. With several storage technology choices available, the main challenge green storage adopters face is finding and following their best approach
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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