| 摘要 |
Method/System of controlling read/write of a magnetic disk device uses a cache memory having an error area with a block control table. The cache memory has an error block data area in addition to an inherent cache area having a cache control table and a cache data area. The cache memory also has a provision for storing and controlling a block of data which has required retry on reading of the data on the disk. Control is effected which will not lower the operation performance of a magnetic disk device even if there is data, which requires retry operation and an extended period of time is taken to read is stored in the magnetic disk device.
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