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In this paper, we examine some mechanisms to reduce this cost in the context of integration with backup processes. These methods are most useful in storage systems where complete data protection or availability is not necessary such as in desktop personal computers, laptops, and other mobile storage devices. We will in particular investigate strategies with disk and flash that trade off between availability and reliability, snapshotting tradeoffs of reliability between time and space, and user directed redundancy.<\/jats:p>","DOI":"10.1145\/1228291.1228301","type":"journal-article","created":{"date-parts":[[2007,4,5]],"date-time":"2007-04-05T19:52:18Z","timestamp":1175802738000},"page":"37-41","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Reliability tradeoffs in personal storage systems"],"prefix":"10.1145","volume":"41","author":[{"given":"John A.","family":"Chandy","sequence":"first","affiliation":[{"name":"University of Connecticut"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sumit","family":"Narayan","sequence":"additional","affiliation":[{"name":"University of Connecticut"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2007,1]]},"reference":[{"key":"e_1_2_1_1_1","first-page":"963","volume-title":"Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications","author":"Chandy J. 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