An information processing apparatus, which is capable of improving security and operationality in handling of storage media, includes a system bay and a data bay that are provided on the main body of the information processing apparatus and allow respective disks to be removably mounted therein, and a second control portion that controls the system bay and the data bay. The second control portion controls the system bay and the data bay in such a way as to prevent the disks from being removed from the system bay and the data bay when the disks have been mounted in the system bay and the data bay.