Data protection system

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.

1 - 69 . (canceled) 
     
     
         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.   
     
     
         71 : The apparatus of  claim 70 , wherein the data pages are organized as books. 
     
     
         72 : The apparatus of  claim 70 , wherein one or more of the chapters extend across two or more books. 
     
     
         73 : The apparatus of  claim 70 , further comprising a card catalog structure for mapping between book locations of the books and chapter locations of the chapters and for mapping between book locations of the books and logical block addresses of data on the holographic data storage medium, wherein the card catalog is stored on the holographic data storage medium. 
     
     
         74 : The apparatus of  claim 70 , wherein the data pages further comprise page headers for allowing a drive to determine chapter size and location of one or more of the chapters. 
     
     
         75 : The apparatus of  claim 70 , wherein the apparatus is a type of data storage device and wherein the apparatus emulates a removable data storage device type that is different than the data storage device type of the apparatus. 
     
     
         76 : The apparatus of  claim 70  wherein each chapter includes a chapter directory for defining the mapping of logical blocks within and across chapter boundaries. 
     
     
         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).   
     
     
         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.   
     
     
         79 : The apparatus of  claim 78 , wherein the data stored in two or more of the partitions have different density levels. 
     
     
         80 : The apparatus of  claim 78 , wherein the data stored in two or more of the partitions have different data types. 
     
     
         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.   
     
     
         82 : The apparatus of  claim 81 , wherein the data stored in one or more of the partitions includes calibration data. 
     
     
         83 : The apparatus of  claim 81 , wherein firmware update data is stored in one or more of the partitions includes firmware update data. 
     
     
         84 : The apparatus of  claim 81 , wherein one or more of the partitions include reserved areas that can be used for write testing and calibration of a drive that writes to the holographic data storage medium. 
     
     
         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.   
     
     
         86 : The apparatus of  claim 85 , wherein one or more of the partitions contains data stored in non-overlapped, low density books. 
     
     
         87 : The apparatus of  claim 85 , wherein one or more of the partitions contains data stored recorded in non-overlapped, high density books. 
     
     
         88 : The apparatus of  claim 85 , wherein one or more of the partitions contains data stored in 1-dimensional, overlapped, polytopic books. 
     
     
         89 : The apparatus of  claim 88 , wherein the books are stored in a skip sorted order. 
     
     
         90 : The apparatus of  claim 85 , wherein one or more of the partitions contains data stored in 2-dimensional, overlapped, polytopic books. 
     
     
         91 : The apparatus of  claim 90 , wherein the books are stored in a skip sorted order. 
     
     
         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.   
     
     
         93 : The apparatus of  claim 92 , wherein the data pages are stored on the holographic data storage medium in a format generation data structure which includes revisions for the library map data structure. 
     
     
         94 : The apparatus of  claim 92 , wherein the data pages are stored on the holographic data storage medium in a partition structure, and wherein the partition structure includes revisions for the partition structure. 
     
     
         95 : The apparatus of  claim 92 , wherein the data pages are stored on the holographic data storage medium in a card catalog structure, and wherein the card catalog structure includes revisions for the card catalog structure. 
     
     
         96 : The apparatus of  claim 92 , wherein the data pages are stored on the holographic data storage medium in a chapter directory structure, and wherein the chapter directory structure includes revisions for the chapter directory structure. 
     
     
         97 : The apparatus of  claim 92 , wherein the library map includes a format generation definition for the apparatus. 
     
     
         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; and   wherein the reading rules, writing rules, organizing rules and locating rules are format generation dependent.   
     
     
         99 : The apparatus of  claim 98 , wherein each format generation further includes rules for erasing data from the holographic data storage medium. 
     
     
         100 : The apparatus of  claim 98 , wherein the writing rules include one or more rules for write ordering of the data. 
     
     
         101 : The apparatus of  claim 98 , wherein the organizing rules include one or more rules for organizing the data in partitions. 
     
     
         102 : The apparatus of  claim 98 , wherein the organizing rules comprise session management of the data which include one or more rules for creating and managing sessions. 
     
     
         103 : The apparatus of  claim 98 , wherein the writing rules include appending rules for the data. 
     
     
         104 : The apparatus of  claim 98 , wherein the locating rules include one or more rules for physical addressing of the data. 
     
     
         105 : The apparatus of  claim 98 , wherein the locating rules include one or more rules for loading and/or unloading the holographic data storage medium from a drive. 
     
     
         106 : The apparatus of  claim 98 , wherein the organizing rules include one or more rules for usage of an anthology with the data. 
     
     
         107 : The apparatus of  claim 98 , wherein the organizing rules include one or more rules for the types of partitions that are allowed to be used with the data. 
     
     
         108 : The apparatus of  claim 98 , wherein the writing rules include one or more rules for the usage of bad mapping with the data. 
     
     
         109 : The apparatus of  claim 98 , wherein the writing rules include one or more rules for usage of read after write with the data. 
     
     
         110 : The apparatus of  claim 98 , wherein the writing rules include one or more rules for usage of compression with the data. 
     
     
         111 : The apparatus of  claim 98 , wherein the apparatus includes one or more rules for a page format for the data pages. 
     
     
         112 : The apparatus of  claim 98 , wherein the apparatus includes one or more rules for revisions for a page format for the data pages.