Abstract: A data processing method in a storage system and the storage system, and relates to the field of data storage technologies. A client first sends a data block in a stripe and metadata of the data block to a data storage node. The client then sends the metadata of the data block and a parity block to a parity storage node, to back up the metadata of the data block on the parity storage node. When the metadata of the data block is successfully backed up, the data block is written into a corresponding storage device based on a storage location indicated by the metadata. This reduces write operation time.

Abstract: A stripe reassembling technique includes a stripe server that selects stripes; uses data chunks including valid data in the stripes S1, S2, and S3 as data chunks in a new stripe S4, and generates data of a parity chunk for data of the data chunks in S4 according to an erasure coding (EC) algorithm the same as that of S1, S2, and S3 ; and stores the parity data of the parity chunk on a parity storage node.

Abstract: This application discloses a data processing method in a storage system and the storage system, and relates to the field of data storage technologies. In this application, a client sends a data block in a stripe and metadata of the data block to a data storage node, and sends the metadata of the data block and a parity block to a parity storage node, to back up the metadata of the data block on the parity storage node. This reduces write operation time.

Abstract: A stripe reassembling method is provided, including: A stripe server selects stripes (701); uses data strips (D21, D32 and D13) including valid data in the stripes S1, S2, and S3 as data strips in a new stripe S4, and generates data of a parity strip P41 for data of a data strip in S4 according to an EC algorithm the same as that of S1, S2, and S3 (702); and stores the parity data of the parity strip P41 on a parity storage node N1 (703).