[ale] Drive recovery

[Michael B. Trausch]

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Mark Wright wrote:
[snip]
> 
> If it is this hard to pull any data off a corrupt disk I would say
> that writing random data all across a hard drive to secure delete is
> a waste of time.  Nobody would go through what I have gone through to
> read this disk on a used purchase or a salvage disk  if they did not
> know something valuable was there.
> 

Well, yes and no.  There are professional data recovery houses that will
find data for you.

You can also probably find a good set of ASCII data on the drive by
running 'strings' on it.

As far as data recovery, I know nothing about MacOS HFS filesystems...
so good luck there.  If it's anything like, well, anything else, then
you'll generally have a beginning of filesystem marker/header,
descriptive information about the filesystem or volume, a map of
free/used space, data, another map, more data, and so forth.

	- Mike

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