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Month: September 2020

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

From: William Morder via tde-users <ml-migration-agent@...>
Date: Thu, 10 Sep 2020 11:19:35 -0700

On Thursday 10 September 2020 11:11:22 BorgLabs - Kate Draven via tde-users 
wrote:
> > 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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> > > > > > Web mail archive available at
> > >
> > > https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@trinityd
> > >es
> > >
> > > > > >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
>

I always knew that, if Seagate somehow stays in business, then they must have 
some customers somewhere. You must be the one. 

Bill
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