Wait-free stream oriented migration based storage

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United States of America Patent

PATENT NO 9069473
APP PUB NO 20120198027A1
SERIAL NO

13015015

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Abstract

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Embodiments of the invention relate to systematic migration of data. Data is streamed to data storage and stored in a virtual storage device (VSD). Stored data is systematically migrated from the VSD to a higher density VSD, while streaming of data is also switched to the higher density VSD. Source and target data extents are maintained and merged upon completion of the data migration, together with linking the streamed data blocks with the migrated data blocks in the order presented in the input stream.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hetzler, Steven Robert San Jose, US 45 1237
Lichtsinn, Mario H San Jose, US 3 14
Strong,, Jr Hovey Raymond San Jose, US 15 166

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