CPC G11B 5/556 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0659 (2013.01); G06F 3/0676 (2013.01)] | 20 Claims |
1. A magnetic disk device comprising:
a first disk;
a second disk;
a first head which writes data to the first disk and reads data from the first disk;
a second head which writes data to the second disk and reads data from the second disk;
a first actuator including the first head;
a second actuator including the second head; and
a controller which performs a first reordering process for a command stored in a first queue corresponding to the first actuator and performs a second reordering process for a command stored in a second queue corresponding to the second actuator,
wherein the controller selects a first command to be executed next by the first actuator based on current and future operating states of the second actuator, and executes the first command.
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