Unlimited file system snapshots and clones

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8549051
APP PUB NO 20070106706A1
SERIAL NO

11513800

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a system that includes a file system configured to create a snapshot of a hierarchical block tree (HBT) and a storage pool. After the snapshot has been created, the storage pool includes a snapshot, where the snapshot includes a copy of a first version of a root block and the HBT, where the HBT includes a second version of the root block. Further, the copy of the first version of the root block is created prior to overwriting the first version of the root block with the second version of the root block, the second version of the root block comprises references to a first block and a second block, and the copy of the first version of the root block comprises a reference to the first block and no reference to the second block.

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Patent Owner(s)

  • ORACLE AMERICA, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahrens, Matthew A San Francisco, US 32 542
Bonwick, Jeffrey S Los Altos, US 86 1137
Maybee, Mark J Boulder, US 12 462

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