> reliable because they use redundancy and are able to detect and replace
> failed memory cells.
> That's why I would probably trust a DVD more than solid-state.
> Ultimately, though, all media fails. Tapes wear out, too.

I don't know about solid-state devices.

But I think if I can make a safe write on a DVD-R (comparing the  
checksum) probably I won't have to worry about the media for one or  
two years.

Using a disk... If something is wrong with the electronic device, my  
read after two years can destroy everything in one single step.

Of course If I have a laser problem on DVD device... but have you ever  
noticed about a laser problem that had destroyed an -> already <-  
written DVD media when you just want to -> read <- data?

I think DVDs is really reliable to keep data readable (one or two  
years, wherever), but not to write. And disks is more reliable to  
write and not to read.

Of course what I'm saying is about a -> crash <- at the restore  
moment, not a misunderstood byte or something.

Normally I have to scratch a DVD-R on the wall or write wrong data to  
destroy my day at a restore moment. If I use a disk... I think it will  
always be a stressed restore moment.

DVD-R just seems to be like a piece of paper, extremely fragile, but  
extremely simple.

But, of course, I'm not a specialist, I don't know if a solid-state is  
more simple than a burned piece of plastic.

I'm really enjoying this discussion. I hope I'm not insisting on a  
redundant discussion. Sorry if it's the case.

[]'s
Alexander
Brazil - Rio de Janeiro

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