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US 7,257,732 B2Granted
Integrating content-laden media with storage system
AssigneeKaleidescape, Inc.
InventorsRobert Zarnke, Michael A. Malcolm
Life of this patent
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AssigneeKaleidescape, Inc.
InventorsRobert Zarnke, Michael A. Malcolm
Estimating the term…
Integrating content into a storage system with substantially immediate access to that content. Providing high reliability and relatively easy operation with a storage system using redundant information for error correction. Having the storage system perform a “virtual write,” including substantially all steps associated with writing to the media to be integrated, except for the step of actually writing data to that media, including rewriting information relating to used disk blocks, and including rewriting any redundant information maintained by the storage system. Integrating the new physical media into the storage system, including accessing content already present on that media, free space already present on that media, and reading and writing that media. Recovering from errors during integration.
A method, including a step of performing a virtual write of a disk block on a physical disk in a storage system, wherein performing the virtual write further comprises adjusting redundant information in response to content on the physical disk without necessarily performing any write operations to the physical disk, whereby the storage system becomes capable of recovering content on the physical disk.
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Dependencies are inferred from the claim text.