Re: EPICS XL data storage on CD's

PAUL@flowcyt.cyto.purdue.edu
Sun, 26 May 1996 20:48:15

Margaret Cooley writes:
"I want to go to non-rewritable media, and by far the cheapest
alternative seems to be CD-ROM (I can get a Sony CDU-920S CD-R drive
premastering unit and CD's for the price of 6 months worth of magneto
optical disks. Can people please advise:
(1) Have you done this?
(2) How well does it work?"
--------------------------------------------------------------
J.Paul Robinson Replies:
I asked this same question about 2 and 1/2 years ago when we were
thinking of doing the same thing. The answer is that it is a cheap,
relatively fast and easy method of archiving. Our experience has been
with one of the more expensive recorders, but that was all that was
available then - now you can spend $1000 and probably get good value.
The current cost of CDs is about $6-6.50 each for 650 megs. We have
now made several hundred over the past 2 years and no regrets at all!
One significant advantage of CDs is that we now have plenty of extra
coffee coasters at only $6 each!
1. My advice is to always make 2 copies
2. Do a random test on each CD made to see if you can extract a file
3. Don't store both copies in the same lab
4. print a copy of the directory from each disk and store that
5. Don't bother trying to make multisession CDs
6. set a lower limit for cutting a CD (say 100 megs) and don't worry
that you are wasting most of the disk!
Do it - see how much money you can save!!
Paul

J.Paul Robinson, Purdue University Cytometry Labs
robinson@flowcyt.cyto.purdue.edu PH:317-494 6449 FAX:317-494 0517
web http://www.cyto.purdue.edu


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CD ROM Vol 2 was produced by staff at the Purdue University Cytometry Laboratories and distributed free of charge as an educational service to the cytometry community. If you have any comments please direct them to Dr. J. Paul Robinson, Professor & Director, PUCL, Purdue University, West Lafayette, IN 47907. Phone:(317) 494-0757; FAX (317) 494-0517; Web http://www.cyto.purdue.edu EMAIL robinson@flowcyt.cyto.purdue.edu