Method to delete partial virtual tape volumes
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United States of America Patent
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Nov 17, 2009
Grant Date -
N/A
app pub date -
Dec 15, 2006
filing date -
Dec 15, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A virtual tape library may be configured to delete or free data blocks corresponding to expired backup images. A virtual tape volume may comprise multiple backup images, each corresponding to data stored by a backup application. The backup application may expire individual backup images of a virtual tape volume without expiring the entire virtual tape volume. In contrast to traditional virtual tape libraries, the virtual tape library described herein may delete, free and/or reuse the data blocks corresponding to expired backup images even before the entire virtual tape volume is expired.
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