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    Prevent non-wheel user from unmounting disk

    Hi Bjarne, I haven't explored your first suggestion regarding ensuring that the time machine backup disk is mounted upon boot and before any user has logged in. I had actually thought that backups have been occurring on this iMac regardless of whether anyone was logged in or not. I'll...
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    Prevent non-wheel user from unmounting disk

    It is a multi-user setup with two accounts (mine and my wife's). My account has sudo access while hers doesn't. We each log in separately, and use fast user switching. My thinking was that if I could set things up so that a non-admin user could not unmount the disk, then I'd prevent the...
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    Prevent non-wheel user from unmounting disk

    I share an iMac with my wife and she frequently accidentally unmounts our time machine backup drive. How can I prevent this (how can I require a wheel account password prompt in order to allow unmounting a volume)?
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