On October 1, 2020 12:03:34 PM EDT, Bruce Ferrell <bferrell@xxxxxxxxxxxx> wrote:
>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@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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>>>>> CentOS@xxxxxxxxxx
>>>>> 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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>> 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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