Anders Johansson wrote: > On Saturday 17 February 2007 22:46, Dennis J. Tuchler wrote: > >> I have seen advice on listservs not to back up to a CD ROM. I never >> understood why. Why is it a bad idea to use CDROMS as storage media? >> > > In my experience, the problem is reliability > > I made a complete backup to DVD. Immediately afterwards, I verified the > backup, and everything was fine. > > Three months later, I tried to do a restore, and found that about half the > DVDs had developed read errors. So now I don't trust CDs or DVDs anymore > > That is why you're supposed to make frequent back ups and keep a few generations. There is always the possibility of media failure, no matter what you use.
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