Samsung Electronics Co., Ltd.

Seagate Technology International

Moon-chol Park

Jae-sung Lee

Se-Wook Na

In-sik Ryu

Provided are a data storage medium accessing method of accessing a data storage medium of a data storage device according to a virtual address (VA), the data storage device to access the data storage medium according to the VA, and a computer readable recording medium having recorded thereon a program to access the data storage medium accessing method. The data storage medium accessing method includes the operations of converting a logical block address (LBA) included in a command received from a host into a VA and converting the VA into a real address of a data storage medium included in a data storage device, and accessing the data storage medium using the real address, wherein the VA is an address that is based on a reserved block of the data storage medium in a data write operation, wherein the reserved block is a valid block that is ready to have data written thereto, and wherein a current location of a head included in the data storage device during the data write operation is set according to the reserved block.

Data storage using virtual addressing

An apparatus and method for managing random-directional scratches on a hard disk. The apparatus includes a scratch determination unit and an alleged defect setting unit. The scratch determination unit determines that predetermined sectors are affected by a single continuous scratch if the predetermined sectors are defective and a distance therebetween is not larger than the length of a single continuous scratch. The alleged defect setting unit sets sectors between the predetermined sectors and around each of the predetermined sectors as alleged defective sectors if the defective sectors are determined to be affected by the single continuous scratch.

Growing community of inventors

Suwon-si, South Korea

Moon-chol Park