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List:       centos
Subject:    Re: [CentOS] External harddisk
From:       Bruce Ferrell <bferrell () baywinds ! org>
Date:       2020-10-01 16:03:34
Message-ID: 8ac95432-2e8a-8fad-1211-1d45d8de39dd () baywinds ! org
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On 9/30/20 9:11 AM, H wrote:
> On 09/30/2020 12:03 PM, Simon Matter wrote:
> > > Since you have taken the disk apart it will now be useless as within the
> > > enclosure there could have been a vacuum or an inert gas.
> > From what I know gas filled disks didn't exist in the times when 3X0GB was
> > on a 2" drive.
> > 
> > > You will never be able to recover any data on the disk unless you go and
> > > pay
> > > for a professional data recovery organisation to read the platters.
> > No, if he did care that the disks didn't become dirty then the drive
> > should still work quite well to recover what is on it. Of course the cover
> > should be put on ASAP. If you don't believe me, just try it our yourself.
> > 
> > > The price for a replacement 340GByte USB disk is about $25 which would
> > > give
> > > you a better product than your old disk.
> > The OP wanted to recover what is on the disk, not use it as a normal disk.
> > 
> > Simon
> > 
> > > Mark
> > > 
> > > -----Original Message-----
> > > From: H
> > > Sent: Wednesday, September 30, 2020 4:47 PM
> > > To: centos@centos.org
> > > Subject: Re: [CentOS] External harddisk
> > > 
> > > On 09/30/2020 05:40 AM, John Pierce wrote:
> > > > On Tue, Sep 29, 2020, 8:33 AM H <agents@meddatainc.com> wrote:
> > > > 
> > > > > I have an old external harddisk, Toshiba 320 Gb, with a USB connector
> > > > > that
> > > > > I wanted to check for contents. It did not start up when connected and
> > > > > I
> > > > > could not hear the motor spinning. After leaving it in the freezer
> > > > > overnight the motor spins but it is not recognized by my computer. I
> > > > > disassembled it and could see that the head assembly rests outside the
> > > > > disk
> > > > > but when it is powered on, the head first moves to the center of the
> > > > > disk,
> > > > > then to the periphery and finally back to the resting position. This
> > > > > happens every few seconds and leaving it connected overnight changed
> > > > > nothing.
> > > > > 
> > > > That repeated seeking suggests it's not passing its self test, and is
> > > > constantly retrying.   It's probably searching for servo data on the
> > > > disks,
> > > > and not finding it.
> > > > 
> > > > _______________________________________________
> > > > CentOS mailing list
> > > > CentOS@centos.org
> > > > https://lists.centos.org/mailman/listinfo/centos
> > > I see. I have not searched for any low-level disk utility from Toshiba,
> > > the
> > > manufacturer of the disk. Do you think that might be worthwhile to
> > > hopefully
> > > fix this?
> > > 
> > > _______________________________________________
> > > CentOS mailing list
> > > CentOS@centos.org
> > > https://lists.centos.org/mailman/listinfo/centos
> > > 
> > > _______________________________________________
> > > CentOS mailing list
> > > CentOS@centos.org
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> > > 
> > _______________________________________________
> > CentOS mailing list
> > CentOS@centos.org
> > https://lists.centos.org/mailman/listinfo/centos
> Simon, you are correct in all the above and I replaced the cover as soon as I had \
> ascertained the movements of the head assembly. 
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Opening up disk drives outside of a lab environment is NEVER a good idea if you \
expect the device to be useful.

I'm thinking this disk problem is tied to your more general usb problem.

There is a guy with a shop in NYC called Louis Rossmann who MAY be able to help with \
your data recovery.   Look him up on youtube or just google the name.

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