On October 1, 2020 12:03:34 PM EDT, Bruce Ferrell <bferrell at baywinds.org> 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 at 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 at 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 at 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 at centos.org >>>> https://lists.centos.org/mailman/listinfo/centos >>>> >>>> _______________________________________________ >>>> CentOS mailing list >>>> CentOS at centos.org >>>> https://lists.centos.org/mailman/listinfo/centos >>>> >>> _______________________________________________ >>> CentOS mailing list >>> CentOS at 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. >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos > >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. > >_______________________________________________ >CentOS mailing list >CentOS at centos.org >https://lists.centos.org/mailman/listinfo/centos 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.