About SSD

What is Solid State Disk?

Conventional wisdom says that computer systems and networks are becoming faster and faster by orders of magnitude as time goes on. In terms of processor clock rates, this is largely true. Storage devices, however, are relatively stagnant. Storage speed- measured by seek time, operations per second, total bandwidth, and other rubrics- has increased at a snail's pace compared to other aspects of computing.

This difference has created a substantial performance gap over the years, and more often than not computer systems experience some kind of substantial performance bottleneck due to storage devices (See: "Why Disks are Obsolete" by Burleson Consulting). In high-demand networks, the performance gap is painfully obvious. All the fast servers in the world are wasted if storage can't carry out its orders fast enough. And in situations where "hot-files" and databases are constantly read from or written to by multiple sources across a network, this bottleneck creates a crisis for the entire network infrastructure.

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Performance Analysis Before and After the RamSan