Title:
STORAGE AND CHECKING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/186524
Kind Code:
A1
Abstract:
A storage and checking method and device, which are used to store and check user data that has relatively small granularity. The method comprises: performing an error checking and correction (ECC) check on user data to obtain ECC check data, the user data comprising m pieces of fragmented data, wherein m is an integer greater than 2; performing a redundant array of independent disks (RAID) check or an erasure code (EC) check on the user data and the ECC check data to obtain parity check data; and storing the m pieces of fragmented data, the ECC check data and the parity check data onto a plurality of chips, wherein each of m chips among the plurality of chips carries one piece of fragmented data, different chips carry different pieces of fragmented data, n first chips of the plurality of chips except for the m chips carry the ECC check data, and p second chips of the plurality of chips except for the m chips are used to carry the parity check data.
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Inventors:
SUN YAPING (CN)
WANG YANSONG (CN)
LI TING (CN)
WANG YANSONG (CN)
LI TING (CN)
Application Number:
PCT/CN2019/079118
Publication Date:
September 24, 2020
Filing Date:
March 21, 2019
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G11C29/42; G06F11/10
Foreign References:
| CN107943609A | 2018-04-20 | |||
| CN103902403A | 2014-07-02 | |||
| CN104246898A | 2014-12-24 | |||
| CN107408019A | 2017-11-28 | |||
| CN105359218A | 2016-02-24 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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