[conspire] Advisability of CD-RW or DVD-RW for Distros, Installations?

Mark Weisler mark at weisler-saratoga-ca.us
Sat Jul 5 20:45:15 PDT 2008

On Saturday 05 July 2008 20:30:26 David Fox wrote:
> On Sat, Jul 5, 2008 at 8:01 PM, Mark Weisler
> <mark at weisler-saratoga-ca.us> wrote:
> > I wonder what you all think of using rewritable CDs and DVDs for burning
> > distros and installing from them.
> Some of the time, they work rather well. It really depends on the
> media you have, how much you can get out of it before you end up with
> a disk that has lots of read errors and thus has to be redone, or even
> tossed out.
> I know I have used cdrw many times - I have a set of 4x Fuji media
> that seems ot be able to do many read-write cycles before any sign of
> badness on the disk. They're only 650 meg disks, so they aren't all
> that suitable for many of the modern distro CDs that go 700= megs. And
> I've used DVD-RW disks ( I have a few here - Memorex brand) that end
> up being write-once media, for all intents and purposes.
> For some distros (such as puppy) cdrw works well because the size of
> the ISO isn't that much and you don't have to wait that long for the
> image to burn.
> > * they do take a while to erase and apparently a complete and thorough
> > erase is necessary before writing again to the medium. (My experience is
> > that the "fast erase", or whatever it is called, will often result in a
> > faulty
> Sometimes the quick erase is good enough. But a complete blank is
> better. This doesn't apply to DVD RW media, since they can be
> regenerated without any separate blanking session.
Thanks, that's good to know about the DVDs.
> > * the rewriteables may have a shorter life, 25 years, than the others,
> > rated at 30 years, but for  'scratch medium' that is just not a problem.
> Well, based on my experience, many disks fail just on their own
> (probably due to how they are stored).
A term that I have learned for this from other Conspirators is "disk rot". 
Seems an appropriate term.

So it's good to hear that you too are having reasonably good luck using 

Mark Weisler 
PGP: 0x68E462B6  http://pgp.mit.edu:11371/
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