On 10/02/2020 10:00 AM, Leroy Tennison wrote:
> I don't know whether testdisk would be helpful in this case or not but your options are limited, might give it a try.
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> From: CentOS <centos-bounces@xxxxxxxxxx> on behalf of H <agents@xxxxxxxxxxxxxx>
> Sent: Friday, October 2, 2020 6:40 AM
> To: CentOS mailing list <centos@xxxxxxxxxx>
> Subject: [EXTERNAL] Re: External harddisk
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> On October 1, 2020 12:03:34 PM EDT, Bruce Ferrell <bferrell@xxxxxxxxxxxx> wrote:
>> On 9/30/20 9:11 AM, H wrote:
> Harriscomputer
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> Leroy Tennison
> Network Information/Cyber Security Specialist
> E: leroy@xxxxxxxxxxxxxxxx
> P:
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>>> 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@xxxxxxxxxx
>>>>> Subject: Re: External harddisk
>>>>>
>>>>> On 09/30/2020 05:40 AM, John Pierce wrote:
>>>>>> On Tue, Sep 29, 2020, 8:33 AM H <agents@xxxxxxxxxxxxxx> 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.
>>>>>>
>>>>>> _______________________________________________
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>>>>> 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?
>>>>>
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>>> 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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> No. I tried this disk on other computers and it has nothing to do with USB. Further, I have other similar disks which do work on this computer.
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Finally had an opportunity to try testdisk but it did not detect this external harddisk...
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