I've been having a number of issues with external disks force unmounting (most often while waking from sleep).

Where can I look in Console.app to track down the potential issue?


Choose All messages on the sidebar.

Filter by mount (or unmount)

and that is it

for example on my OS X 10.10.2 Mac mini

enter image description here

  • Brilliant, is there anyway to narrow that down further — looking for only improperly ejected mounts? – James Kachan Jan 31 '15 at 20:02
  • If you could define improperly :) – user151019 Jan 31 '15 at 20:09
  • Any unmount that wasnt ejected properly, as in the drive was in use and or mounted when it became unmounted - thus causing an error notification about it not being ejected properly. – James Kachan Feb 2 '15 at 2:49

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