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I use DVDs.
- They still have ~5x lower price/GB than hard drives.
- The media are stable (advertizing 100 years expected MTBF, as opposed
to 3-5 years for hard drives and tapes)
- DVD-R cannot be overwritten, so it is appropriate for archiving
scientific data
- DVDs are "portable" in that a lot of people have drives that can read
them. Since I am running a national user facility, we need to play to
the "lowest common demoninator" of what kind of read-back drives users
might have at home. Blu-Ray sounds neat and all, but I don't own a
Blu-Ray drive. Do you? I think it will be more like 5-10 years before
DVD-ROM drives become as hard to find as CD-ROM drives are today.
-James
Sergei Strelkov wrote:
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Dear All,
as a followup to my earlier posting, I would like to
ask opinions on the optimal ways to save and keep
the collected data.
Tape is slow and cumbersome. Other options would be
(1) dedictated hard disks / RAID, and
(2) DVDs (which will probably be replaced by
BluRays or like within the next year or two).
Best wishes,
Sergei.
