发明授权
US6118608A Disk drive unit and error recovery method executing shorter error
recovery procedure when write errors and reset instruction occur
失效
当发生写入错误和复位指令时，磁盘驱动器单元和错误恢复方法执行更短的错误恢复过程
- 专利标题： Disk drive unit and error recovery method executing shorter error recovery procedure when write errors and reset instruction occur
- 专利标题（中）： 当发生写入错误和复位指令时，磁盘驱动器单元和错误恢复方法执行更短的错误恢复过程
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申请号： US35679申请日： 1998-03-05
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公开(公告)号： US6118608A公开(公告)日： 2000-09-12
- 发明人: Toshio Kakihara , Atsushi Kanamaru , Takumi Satoh , Masahiko Satoh
- 申请人： Toshio Kakihara , Atsushi Kanamaru , Takumi Satoh , Masahiko Satoh
- 申请人地址： NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： NY Armonk
- 优先权： JPX9-057751 19970312
- 主分类号： G06F3/06
- IPC分类号： G06F3/06 ; G11B19/04 ; G11B20/12 ; G11B20/18 ; G11B27/36 ; G11B5/09 ; G11B3/90
摘要：
A disk drive unit and an error recovery method for the disk drive unit which can reduce processing time for ERP in resetting, thereby shortening response time to the reset is described. A normal error recovery procedure is executed if there is no reset request when a write error occurs, but if there is a reset request pending, a data record in which a write error occurs is registered as a defective position (e.g. sector) and an alternate (spare) position is assigned to accelerate the time when the drive can respond to the reset instruction. Data records with alternate positions assigned as a part of the reset activity are specially marked so that alternate position assignment can be undone as soon as is appropriate, for example, when the record is next read or written.
公开/授权文献
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