Writable clone of read-only volume
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United States of America Patent
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Feb 19, 2008
Grant Date -
N/A
app pub date -
Apr 30, 2004
filing date -
Apr 30, 2004
priority date (Note) -
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Abstract
A system and method creates a writable clone of a read-only volume. A base snapshot is generated on a source volume on a source storage system and is duplicated as a read-only base snapshot replica on a target volume on a destination storage system. A copy ('clone) is then substantially instantaneously created from the read-only base snap-shot replica, thereby creating a writable clone of a read-only volume.
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