Timemechine

1. 格式化硬碟
   1. 程式佔用硬碟

      • error message

          Erasing “PNY PNY PRO ELITE PS Media” (disk2) and creating “MacBackup”
        
          Unmounting disk
          The volume on disk2 couldn’t be unmounted because it is in use by process 318 (mds_stores)
          Couldn’t unmount disk. : (-69888)
        
          Operation failed…
        

      • sudo lsof | grep /Volumes/PNYPROELITE