A Backup Appliance Composed of High-Capacity Disk Drives
HOTOS '01 Proceedings of the Eighth Workshop on Hot Topics in Operating Systems
The LOCKSS peer-to-peer digital preservation system
ACM Transactions on Computer Systems (TOCS)
A fresh look at the reliability of long-term digital storage
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
Improving secure long-term archival of digitally signed documents
Proceedings of the 4th ACM international workshop on Storage security and survivability
Using a Grid for Digital Preservation
ICADL 08 Proceedings of the 11th International Conference on Asian Digital Libraries: Universal and Ubiquitous Access to Information
Challenges to long term digital preservation a glimpse of the Italian experience
DSP'09 Proceedings of the 16th international conference on Digital Signal Processing
Analysis of Workload Behavior in Scientific and Historical Long-Term Data Repositories
ACM Transactions on Storage (TOS)
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We are in the midst of an unprecedented transformation from physical to virtual assets. Online contracts, digital photographs, digitized movies, music, technical journals, corporate records, web sites, and government documents are just a few examples of valuable digital assets that organizations would often like to preserve for long periods of time - not just for years, but for decades or even forever. Unfortunately, long-term preservation remains a huge challenge due to the unusual nature of the threats from which it suffers compared to traditional (shorter-term) storage applications. Our goal in this paper is to describe how these environments differ and to acquaint the dependability community with some of the challenges in building archival storage systems. We give some guidelines for an alternative storage architecture, much of which is being implemented at the British Library, and we conclude with some suggestions for initial research topics to be tackled in this area.