trinity-users@lists.pearsoncomputing.net

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Month: September 2020

Re: [trinity-users] Re: data recovery - recommendations & strategies

From: "BorgLabs - Kate Draven" <borglabs4@...>
Date: Thu, 10 Sep 2020 14:11:22 -0400
> On Thursday 10 September 2020 10:44:42 BorgLabs - Kate Draven via tde-users 
> wrote:
> > > On Thursday 10 September 2020 10:27:38 BorgLabs - Kate Draven via
> > > tde-users
> > >
> > > wrote:
> > > > On Thursday 10 September 2020, William Morder via tde-users wrote:
> > > > > 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.
> > > > >
> > > > > Bill
> > > > >
> > > > >
> > > > > 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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> >
> > https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@trinitydes
> >
> > > > >kt op.org
> > > > >
> > > > >
> > > > 
> ---------------------------------------------------------------------
> > > >
> > > > There's another option but a wee bit expensive.
> > > >
> > > > Purchase the same model SG drive (or whatever model etc) that failed
> > > > and swap out the electronics.
> > > >
> > > > Assuming there's no mechanical damage, it will work.
> > > > It's often why I buy drives in pairs.
> > > >
> > > > Hope this was helpful.
> > > >
> > > > Kate
> > >
> > > It is an internal hard drive, not external. Is that what you mean?
> > >
> > > Bill
> > > _______________________________________________
> >
> > I understand. I mean swap out the IDE boards on the drives.
> > Make sure to mark the bad one so you don't try to reuse it.
> >
> > I've done that only a few times but it works. They must be the same model.
> >
> > Kate
> 
> I do have another 1.5 TB hard drive (though I would need to backup its data 
> first); however, it is WD, not Seagate, and I would not willingly buy 
another 
> Seagate hard drive. 
> 
> Bill 
> _______________________________________________
You can't mix boards. They must be the same make and model.
Perhaps you can buy just the board? Or a used working one?

I've used both SG and WD and have had far more failures with WD.
I guess it depends on the models and how they are used?
I currently have nearly all SG drives in the "big machine" the server.
12 drives in total with no failures over the last 10 years.

Kate