Huawei Technologies Co., Limited

Tangren Yao

Feng Wang

Chen Xiao Wang

Wei Feng

Chen Wang

A computing node in a storage system is configured to send an instruction of migration of a parity fragment of a plurality of data fragments from a first-level storage medium to a second-level storage medium, where performance of the second-level storage medium is lower than the first-level storage medium.

Fragment management method and fragment management apparatus

In a data read/write method, a storage server receives a write request of a client and performs storage. Each write request carries a to-be-written slice, an ID of a first storage device, and a virtual storage address of a first virtual storage block. If storage is performed continuously successfully from a start address within virtual storage space of a virtual storage block in the storage device, a successful continuous storage address range is recorded. For each storage device, all data within the successful continuous storage address range is successfully stored data. When receiving a read request of a client for an address segment within the address range, the storage server may directly return data that needs to be read to the client.

Data read/write method and apparatus, and storage server

A computing node in a distributed storage system is configured to send an instruction of migration of a parity fragment of a plurality of data fragments from a first-level storage medium to a second-level storage medium, where performance of the second-level storage medium is lower than the first-level storage medium.

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Tangren Yao