System for archival storage of data
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United States of America Patent
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N/A
Issued Date -
Apr 5, 2007
app pub date -
Sep 28, 2006
filing date -
Sep 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A secondary storage system for maintaining data units transferred from a primary storage system is provided. The secondary storage system includes secondary storage media. Not all of the secondary storage media are powered on at the same time. The secondary storage media includes at least one storage medium that is always in the powered-on mode. Metadata is stored in one or more of at least the one storage medium in the powered-on mode. The metadata includes at least one attribute of a data unit stored in a secondary storage medium that is in the lower power mode of operation than at least the one storage medium that is always in the powered-on mode.
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