| 摘要 |
According to one embodiment, a data storage apparatus includes: a storage element including a user data storage area and an area for storing multiplexed pre-boot authentication applications; and a controller connected to a host and performs read/write access to the user data area when an authentication by the pre-boot authentication application is verified. The controller determines whether the data storage apparatus is connected to the host in a form in which the host performs time-out monitoring or the data storage apparatus is connected to the host in a form in which the host does not perform the time-out monitoring. The controller performs, when the controller determines that the data storage apparatus is connected to the host in the form in which the host does not perform the time-out monitoring, mirroring synchronization of the multiplexed pre-boot authentication applications at the time of booting.
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