METHOD FOR MIGRATING MEMORY DATA AND COMPUTER THEREFOR

Embodiments of the present invention provide a memory data migration method and apparatus, and a computer, to migrate memory data that is in the computer. After acquiring a first trigger instruction, an operating system of the computer can suspend a task that is being executed, to execute memory data migration, determine a source memory card of to-be-migrated memory data, determine a backup memory card for the source memory card, and instruct a memory controller of the source memory card to perform the memory data migration, so that the memory controller of the source memory card reads memory data of the source memory card according to an instruction of the operating system, and writes the read memory data of the source memory card into the backup memory card. Therefore, the memory data of the source memory card can be migrated without powering off of the computer, thereby implementing online maintenance on a faulty memory card and resolving a problem in the prior art that a faulty memory card can be replaced or maintained only after an entire computer is powered off.