Help ! I need disk recovery Key words for Google use.

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WizWom
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Postby WizWom » Sun Aug 05, 2012 2:00 pm

Personally, I've got an external Terabyte hard drive for backup and nothing else.
Wandering Kernel of Happiness

Aero
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Postby Aero » Sun Aug 05, 2012 3:08 pm

Well - Its all over. I used Recuva portable to deep scan. It found over 860,000 files and automatically ignored most of them, leaving about 30,000 files to look at. A huge number of the files were small graphics files, stars, lines and soforth, but most of the files had no preview available and really strange names. The recuva program interface is very limited for working with this large number of files, so each file needs to be selected individually in order to recover it.

We decided to leave all lost and move on. There seemed to be no way to recover the previously installed applications programs so it seems faster to reinstall and reload the data needed for her current lessons then cry about the lost data later.

I do have a 1.5 t-byte USB back-up drive ... maybe after this she will use it or buy her own as they are cheap. They cost about the same as commercial single user file recovery programs.

Thanks to everyone for your input. It really helped. - Aero
Aero

paperburn1
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Re: Help ! I need disk recovery Key words for Google use.

Postby paperburn1 » Tue Aug 07, 2012 10:47 pm

CD/DVD experiential life expectancy is 2 to 5 years even though published life expectancies are often cited as 10 years, 25 years, or longer http://www.archives.gov/records-mgmt/in ... a-faq.html

WizWom
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Location: St Joseph, MO
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Re: Help ! I need disk recovery Key words for Google use.

Postby WizWom » Wed Aug 08, 2012 12:22 pm

paperburn1 wrote:CD/DVD experiential life expectancy is 2 to 5 years even though published life expectancies are often cited as 10 years, 25 years, or longer http://www.archives.gov/records-mgmt/in ... a-faq.html


I have perfectly fine CD-Rs written in 2004; I have no idea where they got their information.
I suspect the 2 to 5 years is a rewrite time to assure 0 bit loss; the CD data format includes Error detection and correction (24+4 in 192 byte packets).
Wandering Kernel of Happiness

paperburn1
Posts: 2453
Joined: Fri Jun 19, 2009 5:53 am
Location: Third rock from the sun.

Re: Help ! I need disk recovery Key words for Google use.

Postby paperburn1 » Wed Aug 08, 2012 3:19 pm

WizWom wrote:
paperburn1 wrote:CD/DVD experiential life expectancy is 2 to 5 years even though published life expectancies are often cited as 10 years, 25 years, or longer http://www.archives.gov/records-mgmt/in ... a-faq.html


I have perfectly fine CD-Rs written in 2004; I have no idea where they got their information.
I suspect the 2 to 5 years is a rewrite time to assure 0 bit loss; the CD data format includes Error detection and correction (24+4 in 192 byte packets).

I suspect that your right. RW cd/dvd last the shortest and are the cheapest. R CD/DVDs last longer and the type of dye used is another large factor in lifetime. Also how you store them is a large factor. This is one area where spending a few dollars more can save a headache down the road. We have a directive not to use RW for the long term storage of data becuase of fears of degradation. The R cd/dvd handle heat and abuse much better. If you take good care of your data I am not suprised you get a good life time out of your disks. we supply data to the military and we nickname the users "edward hammmerhands" 8)

ladajo
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Postby ladajo » Wed Aug 08, 2012 8:42 pm

So I should not hang them from my rearview mirror? Dang it. I really did like the sparkle.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

paperburn1
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Joined: Fri Jun 19, 2009 5:53 am
Location: Third rock from the sun.

Postby paperburn1 » Thu Aug 09, 2012 3:47 am

ladajo wrote:So I should not hang them from my rearview mirror? Dang it. I really did like the sparkle.

One year at work we decorated the Xmass tree with bad disks. (shhhhh I know we are not supposed to have a tree in a federal building)


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