Data processing method and apparatus, device, and readable storage medium

An electronic device, comprising:

• a memory device configured to store computer programs;
• and
• a processor configured to run the computer programs to implement operations comprising:
• receiving target data sent by a host, and writing the target data into n memory nodes in a memory;
• determining the n memory nodes to be n data nodes;
• computing check data of the target data by using an erasure code (EC) algorithm engine, storing the check data in m memory nodes of the memory, and determining the m memory nodes to be m check nodes, wherein values of n and m are configured in EC attributes of a solid state disk with the value of m being configured based on a number of DIEs in the solid state disk, wherein the memory includes the n data nodes that store the target data and the m check nodes that store the check data with each of the n data nodes and the m check nodes having a size of a minimum unit for data writing of the solid state disk;
• determining a first data block group from the solid state disk, and querying an arrangement sequence of n user data blocks and m check data blocks in the first data block group;
• arranging the n data nodes and the m check nodes of the memory into a linked list according to the arrangement sequence;
• writing, based on the linked list, data from the n data nodes into the n user data blocks, respectively, and data from the m check nodes into the m check data blocks, respectively, to store the target data;
• and
• when data writing fails in a node within the linked list, determining a second data block group that is different from the first data block group from the solid state disk, comprising:
• determining a target number of data blocks in the solid state disk, wherein the target number is equal to a sum of n and m, and each data block in the target number of data blocks is from a different DIE in the solid state disk;
• based on identification information of each DIE to which a respective data block belongs, randomly arranging the target number of data blocks to obtain a target sequence;
• and
• marking m consecutive data blocks in the target sequence to be the m check data blocks, and marking remaining n data blocks in the target sequence to be the n user data blocks.

A non-transitory computer-readable storage medium storing computer programs, wherein the computer programs, when run by a processor, cause the processor to implement operations comprising:

• receiving target data sent by a host, and writing the target data into n memory nodes in a memory;
• determining the n memory nodes to be n data nodes;
• computing check data of the target data by using an erasure code (EC) algorithm engine, storing the check data in m memory nodes of the memory, and determining the m memory nodes to be m check nodes, wherein values of n and m are configured in EC attributes of the solid state disk with the value of m being configured based on a number of DIEs in the solid state disk, wherein the memory includes the n data nodes that store the target data and the m check nodes that store the check data with each of the n data nodes and the m check nodes having a size of a minimum unit for data writing of the solid state disk;
• determining a first data block group from the solid state disk, and querying an arrangement sequence of n user data blocks and m check data blocks in the first data block group;
• arranging the n data nodes and the m check nodes of the memory into a linked list according to the arrangement sequence;
• writing, based on the linked list, data from the n data nodes into the n user data blocks, respectively, and data from the m check nodes into the m check data blocks, respectively, to store the target data;
• and
• when data writing fails in a node within the linked list, determining a second data block group that is different from the first data block group from the solid state disk, comprising:
• determining a target number of data blocks in the solid state disk, wherein the target number is equal to a sum of n and m, and each data block in the target number of data blocks is from a different DIE in the solid state disk;
• based on identification information of each DIE to which a respective data block belongs, randomly arranging the target number of data blocks to obtain a target sequence;
• and
• marking m consecutive data blocks in the target sequence to be the m check data blocks, and marking remaining n data blocks in the target sequence to be the n user data blocks.