On Feb 15, 2013, at 2:00 PM, [email protected] wrote:

> Message: 1
> Date: Sat, 16 Feb 2013 02:24:41 +0800
> From: Ashley Aitken <[email protected]>
> Subject: Problems ejecting volumes / disks from GUI but not command
>       line...
> To: "[email protected] OSX" <[email protected]>
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252
> 
> 
> Hi All,
> 
> I'm having problems ejecting volumes (e.g. external disk) and optical disks 
> (e.g. DVDs) from the Finder (GUI) in Mac OS X Mountain Lion (latest update) 
> on MacBook Pro (around 2010).  It won't eject, even when I choose the option 
> to Force Eject, it won't successful eject.  Seems like MDS and sometimes 
> Finder have files open, but this doesn’t explain inability to Force Eject.  
> 
> I can Eject and Force Eject (not necessary now because Eject works) from the 
> command line using something like "sudo hdiutil eject /Volumes/France" which 
> is strange.  I have had some problems in the past with my user's groups. I 
> think it was since the upgrade to ML that my groups got mangled some way and 
> I ended up in Wheel (as well as many other groups) but not correct primary 
> group (Username).
> 
> I wonder if the fact that eject works with sudo (I should try without) but 
> Finder eject always fails, even with a force eject, may be related to the 
> mixup in groups?  Should I be in Wheel if the account is an Admin account?   
> How can I add myself back into Wheel (there is a file in Unix I seem to 
> remember).  Others have had similar problems with not being able to eject 
> volumes in ML due to mds process.
> 
> Any help or suggestions most appreciated.
> 
> Cheers,
> Ashley.
> 
> PS  I've used lsof to see open files on the volume.   I've tried killing the 
> mds processes (they start again almost immediately). I've added volumes to 
> the Spotlight preferences panel to stop it searching the volumes with no 
> improvement.  I've tried restarting the Finder. Of course, if I shutdown the 
> volume is ejected but that is not a real solution ;-)
> --
> Ashley Aitken
> Perth, Western Australia
> mrhatken at mac dot com
> Social (Facebook, Twitter, Skype etc.): MrHatken 
> Professional (LinkedIn, Twitter, Skype etc.): AshleyAitken


Use the following to disable mds aka Spotlight. 'off' for disable 'on' to 
enable.

sudo mdutil -a -i off[on]

If you still have problems ejecting then some other process is accessing that 
Volume.
BTW, If you have a Terminal open and cd to that volume, it will block eject.

Best,

Tim Roberts_______________________________________________
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