Our research group is looking at this exact question, and it turns out that there are several factors that effect the balance between cost and reliability/longe

Our research group is looking at this exact question, and it turns out that there are several factors that effect the balance between cost and reliability/longevity in an archive. Paper: http://www.ssrc.ucsc.edu/Papers/gupta-mascots14.pdf http://www.ssrc.ucsc.edu/Papers/gupta-mascots14.pdf