DATA PROTECTION SYSTEM
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Abstract
The present invention provides systems and methods for logically organizing data for storage and recovery on a data storage medium using a multi-level format. The present invention also provides systems and methods for protecting data stored on data storage medium so that the data may be recovered without errors.
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Citations
112 Claims
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1. -69. (canceled)
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70. :
- An apparatus comprising;
a holographic data storage medium; and data pages stored on the holographic data storage medium, wherein each data page comprises a unit of data written to the holographic data storage medium, and wherein the data pages are organized as chapters on the holographic data storage medium, each chapter comprising contiguous data pages. - View Dependent Claims (71, 72, 73, 74, 75, 76)
- An apparatus comprising;
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77. :
- A method for storing data comprising the following steps;
(a) mapping logical blocks of data into chapters; and (b) storing the data as data pages on a holographic data storage medium, wherein step (a) is performed prior to step (b).
- A method for storing data comprising the following steps;
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78. :
- An apparatus comprising;
a holographic data storage medium; and data stored as data pages on the holographic storage medium, wherein the data are stored in a plurality of partitions on the holographic data storage medium, and wherein the data stored in two or more of the partitions have different density levels and/or data types. - View Dependent Claims (79, 80)
- An apparatus comprising;
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81. :
- An apparatus comprising;
a holographic data storage medium; and data stored as data pages on the holographic storage medium, wherein the data is stored in a plurality of partitions on the holographic data storage medium, and wherein two or more of the partitions have data that have different protection levels. - View Dependent Claims (82, 83, 84)
- An apparatus comprising;
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85. :
- An apparatus comprising;
a holographic data storage medium; and data stored as data pages on the holographic storage medium, wherein the data is stored In a plurality of partitions on the holographic data storage medium, and wherein two or more of the partitions have data that is written in different recording modes. - View Dependent Claims (86, 87, 88, 89, 90, 91)
- An apparatus comprising;
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92. :
- An apparatus comprising;
a holographic data storage medium; data stored on the holographic data storage medium; and a library map, wherein the library map describes data type, format levels, and media type for reading data from and writing data to the holographic data storage medium, and wherein the library map is stored in an auxiliary memory and/or on the holographic data storage medium. - View Dependent Claims (93, 94, 95, 96, 97)
- An apparatus comprising;
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98. :
- An apparatus comprising;
a holographic data storage medium; and data stored as data pages on the holographic data storage medium, wherein the data is stored on the holographic data storage medium in a format generation data structure and wherein each format generation of the format generation data structure includes; reading rules for reading data from a data from the holographic data storage medium; writing rules for writing data to the holographic data storage medium;
organizing rules for organizing the data stored on the holographic data storage medium; and
locating rules for locating the data on the holographic data storage medium; andwherein the reading rules, writing rules, organizing rules and locating rules are format generation dependent. - View Dependent Claims (99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112)
- An apparatus comprising;
Specification