Invention Grant
- Patent Title: Storage drive error-correcting code-assisted scrubbing for dynamic random-access memory retention time handling
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Application No.: US16024372Application Date: 2018-06-29
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Publication No.: US10691532B2Publication Date: 2020-06-23
- Inventor: Shu Li
- Applicant: Alibaba Group Holding Limited
- Applicant Address: KY Grand Cayman
- Assignee: ALIBABA GROUP HOLDING LIMITED
- Current Assignee: ALIBABA GROUP HOLDING LIMITED
- Current Assignee Address: KY Grand Cayman
- Agency: Greenberg Traurig, LLP
- Agent James J. DeCarlo
- Main IPC: G11C29/00
- IPC: G11C29/00 ; G06F11/10 ; H03M13/11 ; H03M13/15 ; G11C29/52

Abstract:
Systems, devices, and methods for providing ECC-assisted scrubbing of memory devices and error correction of memory devices. In one embodiment, a method is disclosed comprising obtaining, at a storage device, data and a first parity portion to write to a memory device, the first parity portion generated via a first encoding; encoding, at the storage device, the data with a second encoding to generate a second parity portion; aligning, by the storage device, the data, the first parity portion, and the second parity portion according to a predefined alignment scheme, the aligning generating aligned data; and writing, by the storage device, the aligned data to the memory device.
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