Invention Grant
- Patent Title: Error correction in solid state drives (SSD)
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Application No.: US15007686Application Date: 2016-01-27
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Publication No.: US09766979B2Publication Date: 2017-09-19
- Inventor: Knut S. Grimsrud , Jawad B. Khan
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Compass IP Law PC
- Main IPC: G06F11/10
- IPC: G06F11/10

Abstract:
A paging scheme for a Solid State Drive (SSD) error correction mechanism that exchanges portions of a parity component, such as a page, between SRAM and less expensive DRAM, which stores the remainder of a context of pages. A parity operation applies an XOR function to corresponding memory positions in the pages of the context. Dedicated error correction (parity) SRAM need only enough memory for portions of memory, typically a cache line of a page, upon which the parity operation (XOR) is operating. The remaining portions in the context are swapped, or paged out, by cache logic such that the entire context is iteratively processed (XORed) by the parity operation.
Public/Granted literature
- US20160321134A1 ERROR CORRECTION IN SOLID STATE DRIVES (SSD) Public/Granted day:2016-11-03
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