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What is RAID-K?

April 26, 2017raid

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What is RAID-K?

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RAID-K is a type of RAID that is proprietary to Kaleidescape. RAID-K has similarities to RAID 4, but it does not use block-level striping of file data — it attempts to keep each movie or music album wholly contained on a single disk. Also, the redundant parity information may exist on more than one disk in order to accommodate a mixture of different sizes of disks. Furthermore, there is more than just parity data in the redundant information used to achieve fault tolerance. These features provide better performance for movies and music, and increased safety for the storage of such data. Finally, RAID-K permits the user to incrementally add storage capacity; it is possible to add larger disks, and it is possible to add disks that contain content (movies or music) and incorporate them automatically into the RAID-K array and the Kaleidescape file system.