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US 12,111,729 B2Granted
RAID protection updates based on storage system reliability
AssigneePure Storage, Inc.
InventorsJohn Colgrove, John Hayes, Bo Hong, Ethan Miller
Life of this patent
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AssigneePure Storage, Inc.
InventorsJohn Colgrove, John Hayes, Bo Hong, Ethan Miller
Estimating the term…
A system, method, and product for flexible RAID layouts in a storage system, including: determining a reliability of an individual storage device of a plurality of storage devices, the individual storage device containing a plurality of portions of a Redundant Array of Independent Disks (RAID) stripe in a storage system, wherein the RAID stripe includes user data and inter-device parity data; detecting a change in the reliability of the individual storage device that contains the portion corresponding to the RAID stripe; and changing an amount of intra-device protection corresponding to the RAID stripe by decreasing, in the RAID stripe, an amount of space used to store the inter-device protection data.
A method comprising:
An apparatus comprising a computer processor and a computer memory, the computer memory including computer program instructions that, when executed by the computer processor, cause the apparatus to perform:
A computer program product comprising a non-transitory storage medium, the computer program product including computer program instructions that, when executed by a computer processor, cause the computer processor to perform:
Dependencies are inferred from the claim text.