摘要:
1. A data storage system (1) comprises: —an optical disc (2) having a storage space (3) comprising blocks (4) of storage locations; —a disc drive (10), suitable for reading information from the disc, the drive being designed to automatically start reading a next block after having read a previous block; —a host (20), capable of cooperating with the drive; —the host being designed to send (5) commands to said drive, commanding said drive to read one or more sectors of data from said disc (2); —the host being designed to send a jump command JUMPm(X,Y;SAP) to said drive, for instructing said drive to jump to block Y after having read block X, the jump command JUMPm(X,Y;SAP) including a sequential access parameter SAP; —the drive being designed, in response to receiving a jump command JUMPm(X,Y
摘要:
A modified read-ahead (i.e., jump) command, contains a sequential access parameter SAP, JUMPm(X,Y:SAP), for instructing a disc drive to jump to block Y after having read block X. If the SAP parameter has a value indicating that a host, such as a PC, designed to recognize the SAP parameter, deliberately signals a disc drive to jump to a lower address (e.g., Y