| 摘要 |
According to one embodiment, a magnetic disk apparatus comprises a volatile memory for storing write commands and data accompanying the commands supplied from a host system, and a flush control unit for classifying the write commands into a first group of commands and a second group of commands based on a time required to write the data accompanying the commands on a magnetic disk, writing the data accompanying the first group of commands to the magnetic disk, and writing the second group of commands and the data accompanying the second group of commands to a nonvolatile memory.
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