[Year 12 IT Apps] Hard disk & SSD data recovery

[ken price]

Might be timely to mention this one -
http://www.reuters.com/article/2009/07/16/us-nasa-tapes-idUSTRE56F5MK20090716
- about the video data recordings of the first moon landing. You'd possibly
expect NASA to be pretty good with backups, especially for something like
an event of this magnitude.

"NASA admitted in 2006 that no one could find the original video recordings
of the July 20, 1969, landing.  Since then, Richard Nafzger, an engineer at
NASA's Goddard Space Flight Center in Maryland, who oversaw television
processing at the ground-tracking sites during the Apollo 11 mission, has
been looking for them. The good news is he found where they went. The bad
news is they were part of a batch of 200,000 tapes that were degaussed --
magnetically erased -- and re-used to save money."

I've also heard an interview with one of Australia's first female TV
comediennes, who indicated that only about 15 seconds of video recording
remain of her lengthy TV career - the rest was dumped to save space. A
number of other historic Australian recordings suffered the same fate:

"Sadly it appears that, like so many ABC programs of the period, not all of
Aunty Jack has survived. It has long been rumoured that some episodes fell
prey to the ABC's infamous 'economy drives' and that these tapes were
erased. This shameful act of cultural vandalism saw many priceless programs
from the '60s and '70s erased simply so that tapes could be recycled to
save money on buying blank tape. According to Bob Ellis' 1999 *Sydney
Morning Herald* article "The Lost Picture Show", many important ABC
programs have been destroyed or substantially lost. Apart from Aunty Jack,
the casualties include most of the 1969-71 episodes of MONDAY CONFERENCE,
most of the in-studio videotaped links, introductions and studio interviews
from THIS DAY TONIGHT, most of the first two years of COUNTDOWN, and all
but five of the 166 episodes of CERTAIN WOMEN."
http://www.milesago.com/tv/auntyjack.htm

Similar losses of source materials (again, video recordings rather than
digital data) happened with the original Doctor Who TV programs:

"The Engineering Department had no mandate to archive the programme
videotapes they held, although they would not normally be wiped or junked
until the relevant production department or BBC Enterprises had indicated
that they had no further use for the
tapes.[7]<http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-interest-6>The
first
*Doctor Who* master videotapes to be junked were those for the serial *The
Highlanders <http://en.wikipedia.org/wiki/The_Highlanders_%28Doctor_Who%29>*,
which were erased on 9 March 1967, a mere two months after Episode 4's
original transmission.[6]<http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-2book-5>Further
erasing and junking of
*Doctor Who* master videotapes by the Engineering Department continued into
the 1970s. Eventually every single master videotape of the programme's
first 253 episodes (1963–1969) was destroyed or wiped, with the final 1960s
mastertapes to be erased being those for the 1968 serial *Fury from
the Deep<http://en.wikipedia.org/wiki/Fury_from_the_Deep>
*, which were authorised for wiping in late 1974.[7]"
"<http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-interest-6>

http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes<http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-interest-6><http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-interest-6>

So as well as accidental data loss, there is a very real risk of
intentional deletion by humans as part of our "tidying the nest " behaviour.
<http://en.wikipedia.org/wiki/Doctor_Who_missing_episodes#cite_note-interest-6>

kp


On Sun, Aug 26, 2012 at 10:51 PM, Roland Gesthuizen
<rgesthuizen at gmail.com>wrote:

> Here is a horror story from Pixar about ToyStory 2. Worth sharing with
> your students
>      http://www.youtube.com/watch?v=EL_g0tyaIeE
>
> Regards Roland
>
> PS: Don't laugh. That backup in the kitchen may be just what your
> organisation needs.
>
>
>
-- 
Dr Ken Price MACS ACCE Professional Associate.
President, TASITE
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