Storage cluster
First Claim
1. A plurality of storage nodes in a single chassis, comprising:
- the plurality of storage nodes configured to communicate together as a storage cluster;
each of the plurality of storage nodes having nonvolatile solid-state memory for user data storage; and
the plurality of storage nodes configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain ability to read the user data, using erasure coding despite a loss of one of the plurality of storage nodes, wherein the single chassis is rack mountable and the single chassis includes internal power distribution to the plurality of storage nodes and an internal communication bus coupling the plurality of storage nodes.
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Abstract
A plurality of storage nodes is provided. The plurality of storage nodes is configured to communicate together as a storage cluster. Each of the plurality of storage nodes includes nonvolatile solid-state memory. The plurality of storage nodes is configured to distribute user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain the ability to read the user data, using erasure coding, despite a loss of one of the plurality of storage nodes. A chassis enclosing the plurality of storage nodes includes power distribution, a high speed communication bus and the ability to install one or more storage nodes which may use the power distribution and communication bus in some embodiments. A method for accessing user data in a plurality of storage nodes having nonvolatile solid-state memory is also provided.
159 Citations
20 Claims
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1. A plurality of storage nodes in a single chassis, comprising:
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the plurality of storage nodes configured to communicate together as a storage cluster; each of the plurality of storage nodes having nonvolatile solid-state memory for user data storage; and the plurality of storage nodes configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain ability to read the user data, using erasure coding despite a loss of one of the plurality of storage nodes, wherein the single chassis is rack mountable and the single chassis includes internal power distribution to the plurality of storage nodes and an internal communication bus coupling the plurality of storage nodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A storage cluster, comprising:
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a plurality of storage nodes within a single chassis, the single chassis comprising; a communication bus providing communication between the plurality of storage nodes; and a power distribution system providing power to the plurality of storage nodes; each of the plurality of storage nodes having nonvolatile solid-state memory for storage of user data; and the plurality of storage nodes configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes can access the user data, via erasure coding, with a failure of one of the plurality of storage nodes. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification