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Restoring a failed storage volume after removal of a storage device from an array

  • US 9,244,780 B2
  • Filed: 07/15/2014
  • Issued: 01/26/2016
  • Est. Priority Date: 10/27/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining that a storage volume is in an abnormal state due to a hot-swappable storage device having been decoupled from the apparatus and then recoupled to the apparatus by a user, the storage volume comprising an array of separate storage devices that includes the storage device;

    following a reset of the apparatus, detecting a universally unique identifier (UUID) stored on a partition of the storage device in response to the coupling;

    enumerating UUIDs associated with the storage volume; and

    in response to determining the UUID of the storage device is included in the enumerated UUIDs, reconfiguring the storage volume to include the storage device.

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