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IBM FlashSystem
IBM FlashSystem products are enterprise computer data storage systems that store data on flash memory chips. Unlike storage systems that use standard solid-state drives, IBM FlashSystem products incorporate custom hardware based on technology from the 2012 IBM acquisition of Texas Memory Systems. According to IBM, this hardware provides performance, reliability, and efficiency benefits versus competitive offerings.
== History ==
The IBM FlashSystem architecture was originally developed by Texas Memory Systems (TMS) as their RamSan product line. TMS was a small private company founded in 1978 and based in Houston, Texas that supplied solid-state drive products to the market longer than any other company. The TMS RamSan line of enterprise solid state storage products was first launched in the early 2000s, and over seven RamSan technology generations were released through 2012, when TMS was acquired by IBM. As RamSan technology evolved, TMS adapted the systems to different storage media (DRAM, single-level cell flash memory, and multi-level cell flash memory) and external storage area network interfaces (Fibre Channel and InfiniBand), but the core system design principles remained relatively constant: custom hardware with a shared internal network to maximize speed, particularly latency.〔 The last RamSan products available were the RamSan-710, RamSan-810, RamSan-720, and RamSan-820 systems, which were replaced directly with corresponding IBM FlashSystem products in 2013.
IBM FlashSystem products were first made generally available on April 11, 2013 as part of IBM's Flash Ahead initiative, in conjunction with the announcement of a US$1 billion investment in flash optimization research and development and the opening of 12 Flash Centers of Competency around the world. At the Flash Ahead event, IBM emphasized the economic "tipping point" that flash had reached versus traditional storage devices for high-performance applications.
On January 16, 2014, IBM announced the next-generation FlashSystem 840 product, which was the first FlashSystem designed entirely by IBM post-acquisition of TMS. The key enhancements of the new generation were RAS enhancements, higher capacities, higher performance, new 16 Gbit Fibre Channel and 10 Gbit Fibre Channel over Ethernet interfaces, and a new management GUI. IBM also announced the FlashSystem Enterprise Performance Solution, which added software features and functions to the 840, including real-time compression, replication, and snapshots.〔(【引用サイトリンク】url=http://www-03.ibm.com/press/us/en/pressrelease/42796.wss )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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