10.6: Be careful ejecting disk images with installers

Sep 15, '09 07:30:03AM

Contributed by: asmeurer

If you are running an installer on a disk image, and you try to eject the disk image, it will tell you that there is an application using the disk image if the installer is currently installing.

But if the installer has not gotten to the installing phase, or if it is waiting for another installer to finish, Mac OS X will let you eject the disk image. Then, when you get to the installing phase, it will fail.

I had always been in the habit of ejecting installer disk images and then, if the installer was running, the system would warn me and I would then know, but it seems that in Snow Leopard that you need to be more careful.

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