System News
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Articles for the keywords: Solid State Disks
06 Aug 2013 Hybrid Storage Needs SSD Cache Flexibility [32331]
Storage Switzerland, August 6th, 2013

"While specialized all-flash storage systems grab the headlines, hybrid storage systems are increasingly becoming the workhorses of the data center, hosting the majority of applications, virtual machines and file shares.

To expand the number of workloads that they can support many hybrid storage system manufacturers have turned to solid state disks (SSDs) to complement the hard disk drives in the system and boost performance. By using the SSD tier as a cache to the HDD tier, they've attempted to not only unify SAN and NAS storage protocols but also integrate the different storage media tiers..."
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26 May 2013 The Unknown Risk of SSD Mapping Tables [31113]
Storage Switzerland, May 16th, 2013

George Crump writes in "Storage Switzerland", "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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16 May 2013 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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16 Jan 2013 Are All PCIe SSDs Created Equal? [29467]
Storage-Switzerland January 16, 2012

"One of the more popular approaches to implementing solid state disks (SSDs) is to implement the flash memory on a PCIe card, which is installed directly into a server. This places the high performance storage directly at the point of the storage performance problem, and eliminates potential network and storage protocol bottlenecks that can get in the way of maximum SSD performance. But all PCIe SSDs are not created equal. In fact, there are some stark differences between the various architectures in the form factor. This article will explore some of the factors to consider when comparing these popular server-side flash storage devices..."
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10 Oct 2012 Fast SSD Storage, Slow Networks [28080]
InformationWeek October 10, 2012

"Systems built with solid state disks (SSD) represent the cutting edge in performance and are the "go-to" option for data centers looking to solve performance problems. So these systems should be coupled with the absolute cutting edge in storage I/O performance, too, right?

In some cases, they do need a high-performance network. But in many cases, the server--or the application running on that server--cannot take full advantage of a high-speed network, even if they can take advantage of SSD..."
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