Message: previous - next
Month: September 2020

[trinity-users] data recovery - recommendations & strategies

From: William Morder via tde-users <ml-migration-agent@...>
Date: Thu, 10 Sep 2020 01:59:08 -0700
Hello again! 

I told you that you'd miss me when I'm gone. :-]

Please, I need recommendations or strategies for recovering data. I had a 
flash drive become unreadable, after I plugged it into my new printer to 
print out some documents that had been long in waiting. Then, before I could 
save myself, I had a 1.5 TB hard drive also fail. On this hard drive is 
(of course) the source of those backup copies on the flash drive. This is the 
partition which I was just about to backup. 

I have several hard drives, from 200 GB up to 8 TB, from 20 years old to 
brand-new; all are WD, except for one which is Seagate. Guess which one 
failed? I forget when I got it, or why I ever would have got anything but WD, 
or why I would have put anything important there. 

I have used ddrescue to try to recover the data, as well as other forensics 
tools. Recovered images (img and iso) are saved, and taking up space, but I 
cannot determine if there is any useful content in what was recovered. The 
failing partition has not been deleted. It cannot be read or mounted, so I 
have just left it like that, so that I can try to save it. 

Every attempt to recover the data gives the same result: 2 errors, 3072 B, 
that cannot be read. I tried using tools to look inside the saved iso image, 
but no luck there. I don't want to erase or format the failing disk partition 
until I am sure that I have recovered the data. 

My last hope is that I have another 1.5 TB hard drive; I could try to write 
the disk images to that partition before I format the old drive. But first, 
of course, I would need to backup materials from that drive, and now I am 
running out of space again. 

P.S. And if things were not bad enough, the skies here in San Francisco are a 
muddy mixture of orange, black, brown and gray. At noon today, it looked like 
the middle of the night. 
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