Issues with Mac Time Machine and Seagate Backup Plus Desktop Drive V1 3TB

Discussion in 'Mac Accessories' started by sultanoflondon, Jan 9, 2016.

  1. sultanoflondon macrumors regular

    Joined:
    Dec 3, 2013
    #1
    Hi all,

    I am getting an error message (screenshot attached) when my Mac (automatically) tries to make Time Machine back ups to my Time Machine back up drive ("Seagate 3TB"). I am trying to erase the disk, after completing other troubleshooting steps which have been ineffective. However, when I try to erase the disk using Disk Utility, I get another error message (another screenshot attached).

    Can anyone help? The HDD is almost three years old now.

    Thanks!



    First screenshot:
    Screen Shot 2016-01-07 at 16.32.18.png

    Second screenshot:
    Screen Shot 2016-01-09 at 18.37.30.png
     
  2. CoastalOR macrumors 68000

    CoastalOR

    Joined:
    Jan 19, 2015
    Location:
    Oregon, USA
    #2
    I've seen the same problem occasionally with my external USB drives not able to unmount with Disk Utility in El Capitan. A restart of my Mac fixes the problem.
     
  3. ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #3
    Otherwise it could be the disk starting to fail.
     
  4. matreya macrumors 65816

    matreya

    Joined:
    Nov 14, 2009
    #4
    Instead of choosing to erase the partition "Seagate 3TB", try erasing the actual drive (the icon above the one selected in the screengrab) "Seagate Backup+..."

    Other than that, Seagate had a terrible batch of 3TB drives a few years ago, so maybe it's dying.
     

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