The hpe xp7 flash module device is a fmd unique to xp7. It combines mlc nand flash and a sas interface with a custom asic controller for superior flash performance. The fmd form factor is larger than traditional ssd and therefore is available in capacities of 1.7 Tb, 3.5 Tb, 7 tb and 14 tb. They are configurable in a variety of raid types in the same fashion as other drives and is compatible with all xp7 firmware and software features. The xp7 flash module device supports wear levelling. In a flash memory each write or erase cycle stresses the cell which in turn causes deterioration of the cell over time. This might cause an imbalance in the cell activity which creates an irregular distribution of these unstable cells thereby impacting the life of flash. The flash controller monitors the number of writes, erasures and refreshes to eliminate these imbalances by balancing the rate of deterioration in the flash memory cells. This helps in extending the useful lifetime of flash.What is new supporting point:inline hardware compression in the fmd asic driving storage efficiency and performance for mission critical flash requirements.The fmds comes in capacity points of 1.7 Tb, 3.5 Tb,7 tb and the newly introduced 14 tb.The quad core controller on the xp7 fmds provides: higher performance, reduced array write cache needs, a longer projected lifespan endurance , and storage efficiency through compression.Gen2 fmds are also more flexible capacity density packaging than all other s...
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