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Ability to partition an array into two or more logical arrays with independently running software

  • US 9,672,125 B2
  • Filed: 04/10/2015
  • Issued: 06/06/2017
  • Est. Priority Date: 04/10/2015
  • Status: Active Grant
First Claim
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1. A plurality of storage nodes, comprising:

  • a first plurality of storage nodes configurable to communicate together as a first storage cluster, the first storage cluster configurable to execute a first software;

    a second plurality of storage nodes configurable to communicate together as a second storage cluster, the second storage cluster configurable to execute a second software independent of the first storage cluster executing the first software, wherein the first storage cluster is configurable to upgrade software or hardware independent of a software or hardware upgrade to the second storage cluster;

    each of the first and second pluralities of storage nodes having nonvolatile solid-state memory for user data storage; and

    each of the first and second pluralities of storage nodes configurable to distribute user data and metadata associated with the user data throughout a respective plurality of storage nodes such that a respective storage cluster maintains ability to read the user data, using erasure coding.

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