HERA: Heterogeneous Extension of RAID

  title={HERA: Heterogeneous Extension of RAID},
  author={Roger Zimmermann and Shahram Ghandeharizadeh},
A number of recent technological trends have made data intensive applications such as continuous media (audio and video) servers a reality. These servers store and retrieve a large volume of data using magnetic disks. Servers consisting of multiple nodes and large arrays of heterogeneous disk drives have become a fact of life for several reasons. First, magnetic disks might fail. Failed disks are almost always replaced with newer disk models because the current technological trend for these… CONTINUE READING
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