FILE SYSTEM BACK-UP FOR MULTIPLE STORAGE MEDIUM DEVICE
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United States of America Patent
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N/A
Issued Date -
Dec 31, 2015
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device may comprise a first data storage medium, a second data storage medium, and a controller. The controller may be configured to store file system information to the first data storage medium, storing a copy of file system information for the first data storage medium to the second data storage medium as a backup, loading the file system information from the first data storage medium to a cache memory when the file system information in the first data storage medium contains valid data, and loading the copy of the file system information from the second data storage medium to the cache when the file system information in the first data storage medium does not contain valid data.
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