发明名称 |
STORAGE DEVICE CONTROLLER |
摘要 |
PROBLEM TO BE SOLVED: To prevent a misread due to an illegal positioning by logically disabling data to be reproduced when a track other than a target track is accessed. SOLUTION: To the storage device controller 101, a data bus 108 administering a data communication with a SCSI I/F 102 and a data bus 109 which administers a data communication with a storage device 103 are connected. The controller 101 which controls this storage device 103 is provided with a function of recording in the storage device data to be recorded in the storage device 103 after EX-ORing it with scramble data comprising the track number of a target physical track to be accessed and a head number. Further the controller 101 is given a function of host transfer of data reproduced from the storage device 103 after EX-ORing it with the scramble data comprising the track number of the target physical track to be accessed and the head number.
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申请公布号 |
JP2000105672(A) |
申请公布日期 |
2000.04.11 |
申请号 |
JP19980274549 |
申请日期 |
1998.09.29 |
申请人 |
HITACHI LTD |
发明人 |
NAKAZAWA TAKESHI;SATAKE KAZUHIKO |
分类号 |
G06F3/06;G11B20/12;(IPC1-7):G06F3/06 |
主分类号 |
G06F3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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