| 摘要 |
Embodiments of the invention prevent data loss due to very frequent writing onto adjacent data tracks. In one embodiment, an alternate zone made up of multiple adjacent data tracks is formed by setting data tracks whose usage is to be prohibited for every other data track. The data updated very frequently and data not updated too frequently are recorded in the alternate zone. Data tracks for recording the data updated very frequently, and data tracks for recording data not updated too frequently, each have one cylinder of spacing. Data loss due to leakage fluxes can thus be prevented.
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