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Recording medium, host device, and data processing method

  • US 20060050622A1
  • Filed: 05/02/2005
  • Published: 03/09/2006
  • Est. Priority Date: 05/10/2004
  • Status: Active Grant
First Claim
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1. A recording medium for storing data and accessible from a host device, comprising:

  • a data storage section that stores various data;

    a host interface section that communicates with the host device; and

    a controller that controls the recording medium, wherein the data storage section includes a data region for storing content data, and a retrieval information storing region for storing management information used by the host device to acquire the content data, and the data storage section further stores an open flag showing possibility of inconsistency between information stored in the data region and information stored in the retrieval information storing region, and the controller updates the value of the open flag automatically to a value showing that there is a possibility of inconsistency, when receiving a write request or erase request to the data storage section from the host device.

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