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Article #887

Re: Recovering ASCII data from reformatted hard drive

#887
From: Eric de Haan
Date: Fri, 14 Jun 1996 00:00
64 lines
3457 bytes
erickson@csnsys.com (Donald Erickson) writes:


 >I've searched 9000 newsgroups and this seems the closest to 
 >the subject.  Last summer, with temperatures as high as 113 
 >Fahrenheit, one of the two 1.2 Gig hard drives (Western 
 >Digital) to which data was being written suddenly went 
 >bonkers.
 
 >The dealer decided the Pentium system was running too hot 
 >and installed an additional fan (for the CPU) and 
 >reformatted the Drive D:.
 
 >Everybody told me at the time that my ASCII capture file 
 >data was permanently lost and nothing could recover it.  
 >However, PC TOOLS V. 7 had no trouble showing me all of the 
 >data using the Hex editor and it was possible to search 
 >throughout 400 megs of data for specific information.
 
 >But what I would like to do is to turn the completely empty 
 >disk drive into something like 120 10 Meg data files which 
 >could be moved to floppies, tape or whatever.  The data is 
 >quite redundant for the most part and compresses 99% with 
 >PKZIP from my experience with similar data on another 
 >computer.
 
 >Is there some method by which an artificial FAT can be 
 >written either by hand or through some inexpensive program 
 >so that the data is packaged into files?
 
 >There is no need to salvage any executable files nor to even 
 >be able to see those.  Everything that is useful is in the 
 >form of ASCII capture files. 
 
 >I've avoided using the drive until I could come up with a 
 >solution but I'm about ready to give up.  Help would be 
 >greatly appreciated.
 
 >Regards
 >Donald Erickson
 >erickson@csnsys.com
 
 >Comstock Net, serving Riverside and San Bernardino counties 
 >of Southern California from Rialto.  (909)877-6407 voice.


try PC-Tools diskfix, it might do the trick. (I use V8.0)
(it would work best if the datafiles were NOT in the root-dir,
 a quick format seems only to initialize the fat, bootsect. & root-dir.)
(this would leave the begin sectors & and the sizes of the files
 identified in the subdirs.)
If this is the case and those files were created on a defragmented disk,
every file in just one time, you might be able to recreate almost the 
entire disk.

do use the option to make an undo-disk.
 
bye, Eric dehaan@fwi.uva.nl
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From: dehaan@fwi.uva.nl (Eric de Haan)
Subject: Re: Recovering ASCII data from reformatted hard drive
Date: 1996/06/14
Message-ID: <4pr6p7$9s7@ow64.fwi.uva.nl>
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distribution: world
references: <4pq9ke$9ic_001@sl5.csnsys.com>
organization: FWINS, University of Amsterdam
keywords: recovery reformatted harddrive
newsgroups: comp.sys.ibm.pc.hardware.storage,misc.test,alt.test,comp.test,biz.test