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RAID groups based on endurance sets

  • US 9,946,471 B1
  • Filed: 03/31/2015
  • Issued: 04/17/2018
  • Est. Priority Date: 03/31/2015
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a plurality of physical storage devices configured as a plurality of RAID (Redundant Array of Independent Disks) groups; and

    at least one controller configured to present a logical storage device to at least one host device, the logical storage device associated with the physical storage devices of a first RAID group of the plurality of RAID groups, the controller being further configured to perform wear unleveling between the physical storage devices of the first RAID group via modal Read/Write of the physical storage devices such that each of the physical storage devices of the first RAID group fails at different times.

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