Information processing system
US-2024248797-A1 · Jul 25, 2024 · US
Distributed multi-level protection in a raid array based storage system
US9348696B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9348696-B2 |
| Application number | US-89667510-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 1, 2010 |
| Priority date | Oct 1, 2010 |
| Publication date | May 24, 2016 |
| Grant date | May 24, 2016 |
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Abstract
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A system and method for dynamic RAID geometries. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array is configured to configure a first subset of the storage devices for use in a first RAID layout, the first RAID layout including a first set of redundant data. The controller further configures a second subset of the storage devices for use in a second RAID layout, the second RAID layout including a second set of redundant data. Additionally, when writing a stripe, the controller may select from any of the plurality of storage devices for one or more of the first RAID layout, the second RAID layout, and storage of redundant data by the additional logical device.
First claim
Opening claim text (preview).
What is claimed is: 1. A computer system comprising: a data storage subsystem comprising a plurality of storage devices in a redundant array of independent disks (RAID) configuration; and a storage controller configured to: write a first RAID stripe to the plurality of storage devices including: for each storage device of a subset of the plurality of storage devices, writing within a page of the storage device, user data and a checksum that validates the user data stored on t…
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Electricity · mapped topic
Physics · mapped topic
- G06F11/1076Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US9348696B2 cover?
- A system and method for dynamic RAID geometries. A computer system comprises client computers and data storage arrays coupled to one another via a network. A data storage array utilizes solid-state drives and Flash memory cells for data storage. A storage controller within a data storage array is configured to configure a first subset of the storage devices for use in a first RAID layout, the f…
- Who is the assignee on this patent?
- Colgrove John, Hayes John, Hong Bo, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification G06F11/1076. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 24 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).