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: 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: 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
Reading Time-approximately: 5 minutesStorage and memory, while connected, fulfill separate roles in a computer. Memory meets temporary data access needs and storage retains data and other files over the long term. By Brett Cooper, Rodney Brown and Stacey Peterson The terms memory and storage both refer to a computer’s internal storage space. Memory is where an application puts the data it uses during processing. A storage drive
Reading Time-approximately: 4 minutesWhen 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. By Stephen Pritchard Over the last few years, much of the enterprise storage market has focused on flash technology, but the hard disk drive (HDD) format has
Reading Time-approximately: 3 minutesTLC flash (triple-level cell flash) is a type of NAND flash memory that stores three bits of data per cell. TLC is also known as MLC-3, 3-bit MLC and X3. By Carol Sliwa and Todd Erickson Common use cases for TLC flash include enterprise- and consumer-grade solid-state drives (SSDs), storage cards in digital cameras and mobile phones, and USB drives. TLC flash
Reading Time-approximately: 3 minutesMulti-level cell (MLC) flash is a type of NAND flash memory that can store more than 1 bit per cell. NAND flash is a form of nonvolatile storage memory, which allows it to retain data without being attached to a power source. By Garry Kranz What’s the difference between enterprise MLC and consumer MLC? Multi-level cell flash is a midpoint between single-level cell (SLC)
Reading Time-approximately: 4 minutesRAID 50 combines striping with distributed parity for reduced data loss and better performance. By Rick Cook and Erin Sullivan Much as the name implies, RAID, or redundant array of independent disks, uses redundancy to reliably protect and store data on hard disks and SSDs. There are numerous RAID options out there, and the most common is RAID 5. If you’re looking
Reading Time-approximately: 4 minutesFlash storage is mainstream, but what do storage professionals need to know about Raid when used with SSDs? We look at Raid fundamentals, and supplier implementations. By Antony Adshead A fundamental keystone of data protection, Raid (redundant array of independent disks) has been around for decades. The building blocks are very simple. Multiple disk drives allow data to be distributed via striping
Reading Time-approximately: 4 minutesWe 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? By Stephen Pritchard RAID systems have been the building blocks of enterprise storage since the 1990s. But RAID – redundant array of inexpensive disks – originated the decade before that in
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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