Addis, Matthew, Wright, Richard and Miller, Ant
The Significance of Storage in the ‘Cost of Risk’ of Digital Preservation.
In, The Fifth International Conference on Preservation of Digital Objects (iPRES 2008), British Library, London, UK,
29 - 30 Sep 2008.
As storage costs drop, storage is becoming the lowest cost in a digital repository – and the biggest risk. We examine current modelling of costs and risks in digital preservation, concentrating on the Total Cost of Risk when using digital storage systems for preserving audiovisual material. We present a managed approach to preservation, and the vital role of storage and show how planning for long-term preservation of data should consider the risks involved in using digital storage technology. Gaps in information necessary for accurate modeling – and planning – are presented. We call for new functionality to support recovery of files with errors, to eliminate the all-or-nothing approach of current IT systems, reduce the impact of failures of digital storage technology and mitigate against loss of digital data.
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