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Server Based SSD


Server-based SSD (solid state disk) is designed to be directly attached to the SATA (Serial Advanced Technology Attachment) system interface. There is a significant improvement in performance and reduction in latency by moving the SSD closer to the application and processor. The reduction of network bottlenecks has made it popular and led to the rise of manufacturers offering server-based caching and storage devices.

Organizations can use the server-based SSD in different ways. One is to integrate the SSD into the PCIe slots in the servers or the second option is to add them as DAS (direct attached storage) device.

Caching allows working across multiple workloads without the need of the administrator to individually do a performance analysis on which data set must be accelerated etc. The read cache automatically and constantly does the performance analysis while moving the slowest data set into the solid state drive to accelerate the speed. Another advantage of caching is that it can help move larger capacity of the mechanical disk from the high-cost SSD. This improves the performance by duplicating the most recent accessed blocks of data to the server based SSD storage.

Since the SSD is higher in cost than the traditional drives but most hosting companies use it since it accelerates the performance considerably and can improve an organization’s productivity. The data on the SSD is constantly refreshed to ensure that the most recent data is only active on the device. The process of constant analysis and stimulating of data is difficult to do with a static SSD but can be done with a cache.

The server-based SSD, however, has a limitation. It can only accelerate the performance on a single protocol like in a DAS device. This can be a drawback since most servers require the performance acceleration in which a server-based cache provides.

The server-based SSD removes the performance bottlenecks by caching network-based storage. It also reduces network spikes and application latency by eliminating the storage array of a collection which can be a big bottleneck by itself. The server-based caching is it prevents storage array from accumulating across the number of host servers which the users can attach to any storage device.

Server-based SSD also helps in realizing the maximum benefits of acceleration across multiple devices, networks, back-ends, protocols of it can support multiple storage protocols without getting locked into any specific design. 


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