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They are very inexpensive on a per megabyte basis. I do not know what the long
term storage time woudl be, but I suspect that it will last as long as people
are still using these types of systems. We have data stored from 4 years ago,
I have a slide data base that contains a few thousand slides and this is
accessed regularly for retrieval purposes and for archiving new slides. I have
not experienced problems yet.
The main concern for all archival systems is that one has more than one copy.
WORMS are relatively slow compared to most hard disks, however for storing
data files, I think that they are a ton better than other systems, and a whole
lot cheaper (and more reliable) than bernouli-type systems.
We have used optical disks several times to exchange a large set of list mode dta files. We simply used padded bags to FEDEX
the disks and have not experienced any problems.
- From our experience, I would strongly urge people to consider WORMS as a most
appropriate archival media.
Paul Robinson
PS. It would be rather nice if everybody accepted one type of optical disk as
a standard and everyone bought them! Data exchange might be alittle easier!
Paul Robinson
Purdue University Cytometry Labs
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