Patent ID: 11899930
Assignee: SONY INTERACTIVE ENTERTAINMENT LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A storage management apparatus comprising:
a flash memory that includes a plurality of blocks, the plurality of blocks each including a normal area and a reserved area, the normal area being configured to store one or more datasets, storage of datasets in the reserved area being prohibited, a ratio of a size of the reserved area to a size of the normal area being set to maintain a data transfer rate of the flash memory at a predetermined level; and
circuitry configured to
acquire a new dataset when a writable area included in a normal area of the plurality of blocks is larger than the new dataset, the writable area including unnecessary datasets,
when the new dataset is to be acquired, copy non-unnecessary datasets from the normal area of a specific block including the unnecessary datasets to the normal area of another block, and delete all datasets included in the normal area of the specific block, and
store the new dataset in the normal area of the specific block from which all the datasets are deleted.