Method and Device of Data Protection, Storage Equipment

摘要

A method and device of data protection and a storage equipment. The method includes: when receiving from a host a writing command, carrying an address and data to be stored, writing the data to be stored into a first storage space, which corresponds to the address, in a storage unit, and writing protection data corresponding to the data to be stored into a second storage space, which corresponds to the address, in a protection unit; when receiving from the host a reading command, carrying the address, determining recovery data according to the data stored in the first storage space and the data stored in the second storage space; and taking the recovery data as response data for the reading command. The method achieves efficient data protection of a storage equipment.

主权项

1. A method of data protection, comprising:
when receiving from a host a write command carrying an address and data to be stored, writing the data to be stored into a first storage space, which corresponds to the address, in a storage unit; writing protection data corresponding the data to be stored into a second storage space, which corresponds to the address, in a protection unit; when receiving from the host a read command carrying the address, determining recovery data of the data to be stored according to the data stored in the first storage space and the data stored in the second storage space; and taking the recovery data as response data for the read command.