StorageCraft Assigned Three Patents

Capturing post-snapshot quiescence writes in linear image backup chain
StorageCraft Technology Corporation, Draper, UT, has been assigned a patent (9,311,190) developed by Bushman, Nathan S., Pleasant Grove, UT, and Barnes, Scott, Draper, UT, for a “capturing post-snapshot quiescence writes in a linear image backup chain.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Capturing post-snapshot quiescence writes in a linear image backup chain. In one example embodiment, a method for capturing post-snapshot quiescence writes in a linear image backup chain may include taking a first snapshot of a source storage at a first point in time, identifying a first set of block positions of blocks that are allocated in the source storage at the first point in time, identifying a second set of block positions of blocks that are written to the first snapshot during post-snapshot quiescence of the first snapshot, resulting in a first quiesced snapshot, copying the blocks in the first set of block positions from the first snapshot to a full image backup, and copying the blocks in the second set of block positions from the first quiesced snapshot to a first incremental image backup.“

The patent application was filed on June 8, 2015 (14/733,611).

Avoiding encryption of certain blocks in deduplication vault
StorageCraft Technology Corporation, Draper, UT, has been assigned a patent (9,304,866) developed by Gardner, Andrew Lynn, Oak City, UT, for a “avoiding encryption of certain blocks in a deduplication vault.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Avoiding encryption of certain blocks in a deduplication vault. In one example embodiment, a method of avoiding encryption of certain blocks during a backup of a source storage into a deduplication vault storage may include analyzing each allocated plain text block stored in a source storage at a point in time to determine if the allocated plain text block is already stored in the deduplication vault storage. If the allocated plain text block is not stored in the deduplication vault storage, the block may be encrypted and the encrypted block may be analyzed to determine if the encrypted block is already stored in the deduplication vault storage. If neither the allocated plain text block nor the encrypted block is already stored in the deduplication vault storage, the encrypted block may be stored in the deduplication vault storage.“

The patent application was filed on February 10, 2015 (14/618,928).

Capturing post-snapshot quiescence writes in image backup
StorageCraft Technology Corporation, Draper, UT, has been assigned a patent (9,304,864) developed by Bushman, Nathan S., Pleasant Grove, UT, for a “capturing post-snapshot quiescence writes in an image backup.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Capturing post-snapshot quiescence writes in an image backup. In one example embodiment, a method for capturing post-snapshot quiescence writes in an image backup may include taking a first snapshot of a source storage at a first point in time, identifying a first set of block positions of blocks that are allocated in the source storage at the first point in time, identifying a second set of block positions of blocks that are written to the first snapshot during post-snapshot quiescence of the first snapshot, resulting in a first quiesced snapshot, calculating a third set of block positions by performing a Boolean OR operation on the first set of block positions and the second set of block positions, and copying blocks in the third set of block positions from the first snapshot to a full image backup.“

The patent application was filed on June 8, 2015 (14/733,505).