US 7,321,477 B2
Disk control apparatus, disk control method, and computer product
Atsushi Suzuki, Kawasaki (Japan); Yukio Abe, Kawasaki (Japan); and Shigenori Yanagi, Kawasaki (Japan)
Assigned to Fujitsu Limited, Kawasaki (Japan)
Filed on Jan. 19, 2006, as Appl. No. 11/335,127.
Claims priority of application No. 2005-278571 (JP), filed on Sep. 26, 2005.
Prior Publication US 2007/0070542 A1, Mar. 29, 2007
Int. Cl. G11B 19/04 (2006.01); G11B 19/02 (2006.01); G11B 5/596 (2006.01)
U.S. Cl. 360—60  [360/69; 360/78.04] 14 Claims
OG exemplary drawing
 
1. A disk control apparatus that controls a disk driving unit that performs read/write of data with a head, the disk control apparatus comprising:
a vibration detecting unit that detects a vibration of the disk driving unit using a rate of write fault occurrence, the rate of write fault occurrence being obtained from at least one of a shock sensor and the position signal; and
a disk control unit that controls the disk driving unit to switch a sensitivity of the shock sensor based on the detected vibration.