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Articles for the keywords: SSD
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16 May 2013
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The Unknown Risk of SSD Mapping Tables [31091]
Storage Switzerland, May 16th, 2013
"Solid State Disks (SSD) and Flash Appliances use mapping tables to track where data is stored on the flash device. These tables play a similar role to iNode or File Allocation Tables (FAT) and if they get corrupted or lost, they need to be rebuilt. While faster than hard disk systems, the rebuild process on large flash appliances can take hours which makes it especially problematic for the performance sensitive environments that solid state solutions are typically deployed into..."
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13 May 2013
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The Proper Care and Feeding of SSD Storage [31055]
PC World, May 13th, 2013
"Your solid-state drive sits there in silence. It's sleek. Elegant. More than a little mysterious. The hard drive it replaced was easy to understand: A soft hum assured you that its platters were spinning. A quiet mechanical click informed you of its read/write operations. You'd groom it with the occasional defrag. Times were good.
Now? Everything seems peaceful. But you keep hearing stories: An SSD's performance deteriorates over time. They have disturbingly short life spans. If it fails, your precious data will be consigned to oblivion. Facts? Or fever-brained fiction?..."
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06 May 2013
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Five Reasons Why HDD Is Dead and SSD Is Taking Over [30988]
IT Business Edge, May 5th, 2013
"Until recently, Flash-optimized Fibre channel storage has been extremely expensive to implement and many organizations were priced out of the procurement cycle. According to Gartner, however, the solid-state drive (SSD) market is expected to grow from some $390 million in 2012 to more than $4 billion in 2016. Emulex, a provider of hardware and software solutions for network connectivity, monitoring and management, offers five reasons why..."
- Big Data
- Cost and Availability
- Faster Resonse Times
- Durability
- Power and Cooling
Read on for details.
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29 Apr 2013
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Automated Caching for the Virtualized Data Center [30897]
Storage Switzerland, April 29th, 2013
"Many industry observers estimate that the server infrastructure in a typical data center environment is approximately 50% virtualized. As virtual machine (VM) density increases, conventional storage platforms are wilting under the pressure of managing highly randomized storage IO patterns. Indeed, the 'storage blender' effect, of unpredictable, high volume read and write IO activity emanating from VMs, threatens application quality of service (QOS) levels. As a result, server administrators are increasingly turning to server side caching or SSD solutions to meet performance objectives.
Solid state disk (SSD) and flash memory based storage technologies, offer business application owners a safety valve for responding to the storage IO pressure experienced in highly dense VM environments..."
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22 Apr 2013
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Improving SSD Performance through Better Flash Management [30717]
Storage Switzerland, April 15th, 2013
"Solid State Drive (SSD) storage has become a viable performance option thanks to the advent of NAND flash devices which are making memory-based storage affordable. The performance of an SSD is not solely dictated by the NAND but by the performance of the combined components that make up the SSD. The performance of the flash controller, its firmware and how it interacts with the NAND determine the combined performance of the device.
There are many actions that impact flash SSD performance, most notably the management of the flash itself. Flash can only be written to a finite number of times so steps have to be taken to make sure that write I/O is spread evenly across the SSD, a process called 'wear leveling'..."
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