--- In ntb-OffTopic@yahoogroups.com
, Mordechai <airflow@...> wrote:
> About 3 years ago, I received a software CD, - with colored print
and very like any other comercial CD.
> I even installed the program in my PC, and it worked.
> These days I have to reinstall some programs, so I inserted this CD
into the drive and nothing happened,
> the CD was blank!! I inserted it in the other computor - blank again!!
> I ran a cd check program, checked it in NERO, in ISOBUSTER and in
MAGICISO (in both PC's), all reported a blank CD!! Windows file
explorer did not show any trace of a file.
> Is it possible?? (strange, but facts speak for themselves)
> The CD was always in its case, not exposed to any heat, strong light
or any scratches or fingerprints, to be sure I checked some other CD's
which were near this one - they all are OK!
> Now some other thing: Would like to have some opinion on "ACRONIS
TRUE IMAGE" program, for backups and restore, I read users opinion
about "Norton GHOST" and they were not 'flattering'.
> If important - OS=win xp pro+sp1
> [Non-text portions of this message have been removed]
I have been in the IT industry for a very long time. So, I have seen a
wide variety of experience with the various forms of media available.
We had an artist client who backed up their work to CD-R. Less than a
year later they went to the CD to retrieve some of their work to find
it blank! Fortunately they had kept redundant copies of their work and
thus there was no real loss.
When using CD or DVD based media for archiving important data, one
must use media that states plainly that it is of archival quality. The
media will be 400% to 600% more per disc, that is, it will not be
$0.15 per disc. If one cannot find such media locally, it can be
The inexpensive media will work for temporary storage, backup of a
manufacturer's original disc and the like. It will never do for archiving.
And one other point of importance: the burn speed utilized will impact
the quality of the data image written to the disc. Slow down your
burns, no faster than 4x on CD, and 1x on DVD. This will vastly
improve the quality of the burn and thus the life of the archive.
As far as the software disc you received, it could have been a from a
bad batch at the factory, or the quality of the disc itself was poor,
or many other environmental reasons. It does happen where an original
disk is defective from the get go.
I hope these suggestions help!