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11 March 2010 Data migration and persistence management in a medical imaging informatics data grid
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Abstract
The Medical Imaging Informatics Data Grid project is an enterprise infrastructure solution developed at the University of Southern California for archiving digital medical images and structured reports. Migration methodology and policies are needed to maintain continuous data availability as data volumes are being copied and/or moved within a data grid's multi-site storage devices. In the event a storage device is unavailable, a copy of its contents should be available at a live secondary storage device within the data grid to provide continuous data availability. In the event a storage device within the data grid is running out of space, select data volumes should be moved seamlessly to a tier-2 storage device for long-term storage, without interruption to front-end users. Thus the database and file migration processes involved must not disrupt the existing workflows in the data grid model. This paper discusses the challenges, policies, and protocols required to provide data persistence through data migration in the Medical Imaging Informatics Data Grid.
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Jasper Lee, Jorge Documet, and Brent Liu "Data migration and persistence management in a medical imaging informatics data grid", Proc. SPIE 7628, Medical Imaging 2010: Advanced PACS-based Imaging Informatics and Therapeutic Applications, 762812 (11 March 2010); https://doi.org/10.1117/12.845056
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