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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>>> 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?
>>
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>
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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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