Flash-based Solid State Devices (SSD) are more than just a collection of memory cards. They’re also not created equally. Components like the controller, backplane, and internal interconnect all are important differentiators when accessing Flash-based storage solutions. As these products have…
Blog Archives
Overcoming The All Flash Cost Challenge
If all storage were the same price, all storage would be solid state storage. We would end data tiering, there would be no performance tuning and the discussion of storage performance problems would be a thing of the past. Of course all…
Tagged with: Flash memory, Hard disk drive, Multi-level cell, Pure, SLC, solid state storage, Solid-state drive, storage efficiency, VMware
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How Big Backup Impacts Deduplication
“Big Backup” is an enterprise challenge where millions (or billions) of files have to be processed each night so they can be safely and cost effectively stored on backup devices. These kinds of backup jobs not only have large numbers…
Why Flash Wears Out and How to Make it Last Longer
The life expectancy and durability of flash-based storage is a common topic in many presentations involving solid-state drive (SSD) products. While flash endurance is a prime factor in the economics of this technology, seldom is the audience given an explanation…
Tagged with: Bit Error Rate, ECC, Flash memory, Flash memory controller, HGST, MLC, Multi-level cell, Solid-state drive, SSD, sTec
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Comparing LTO-6 to Scale-Out Storage for Long-Term Retention
Thanks to the requirements of Big Data, compliance and regulatory controls organizations are now faced with the daunting challenge of storing a much larger amount of the data they create for a significantly longer period of time. Also, the need…
The Challenges with SSD Caching and Tiering
It is universally accepted that for most applications, adding flash to the storage infrastructure will greatly improve storage performance and offer a productivity return on the investment. The controversy in the industry is deciding where the flash storage should be…
Tagged with: All-Flash Array, Cache (computing), Flash memory, flash storage, Hard disk drive, Hardware, Pure, Solid-state drive, storage system
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Is PCIe SSD Always Faster?
As Solid State Disk (SSD) has evolved many ways have been developed for it to be accessed by the applications that need performance acceleration. The connection between the application and the SSD is often made by the most available, least…
Achieving Maximum SSD Efficiency
There are two well-known facts about solid state disk (SSD). First, SSD is fast and second, SSD is expensive—compared with traditional disk drives. There are also two well-known facts about the data center. First, almost every data center needs more…
Tagged with: Data center, Deduplication, Flash memory, Hard disk drive, RAID, Solid-state drive, SSD
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What is a Storage Controller?
Storage arrays all have some form of a processor embedded into a controller. As a result, a storage array’s controller is essentially a server that’s responsible for performing a range of functions for the storage system. Think of it as…
Tagged with: Central processing unit, Controller, Data center, dual controller, Fibre Channel, RAID, Solid-state drive, SSD, storage array, Storage Controller, Storage Hypervisor, storage system, storage systems
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What Is RAID – Part 1
This article on RAID – Part 1, is one of an ongoing series of articles in the Storage Switzerland “What Is” series. These articles provide a refresher on key fundamentals of various storage technologies, for those who are new to,…
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