On 09/30/2020 03:21 AM, Simon Matter 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. >> >> I installed smartmontools but the disk is not even recognized by my system >> as a /dev/sd* device and therefore not accessible to smartd (at least as >> far as I know it.) > Usually such devices had an ide or sata port and the USB connection was > made with an interface module. Maybe you can connect the device directly > with an ide or sata adapter and see if it shows up there. > > It's also quite normal that a drive doesn't spin up after being powered of > for a long time. Moving the drive around in your hand so that the disks > can turn inside can help to make them going. > > Regards, > Simon > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos It has a SATA-interface and I could try that but not in the next few days unfortunately. As I said, putting it in the freezer dislodged the disks and I had tried moving/shaking it prior to that but this did not help.