High reliability storage drive and data write method

Details High reliability storage drive and data write method High reliability storage drive and data write method

2006-04-18

2006-04-18

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C711S163000, C711S111000

Reexamination Certificate

active

07031092

ABSTRACT:
A magnetic disk drive capable of shortening a flying time of a magnetic head flying over a magnetic disk and reducing the number of load/unload operations. The disk drive includes a non-volatile memory for temporarily storing data corresponding to a write command supplied from a host. Data corresponding to a plurality of write commands are stored in the non-volatile memory. The head loading is suspended until a predetermined condition is satisfied. When the predetermined condition is satisfied, all the data stored in the non-volatile memory are written in the magnetic disk sequentially at a time. Thereby it is possible to shorten the flying time of the magnetic head flying over the magnetic disk and reduce the number of load/unload operations.

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T.R. Albrecht et al., “Load/Unload Technology for Disk Drives” IEEE Transactions on Magnetics, vol. 35, No. 2, pp. 857-862, Mar. 1999.

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