*** Not compatible with 10.8.1 ******
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UPDATED 29 Aug 12 --- version 1.0.1 is not compatible with OS 10.8.1 Mountain Lion. I will gladly update my review once the developer releases a new patch (which was promised some time ago), but otherwise, user beware: drives will unmount but remain visible on the desktop, leading to crashes of the Finder, possible corrupted data, and kernel panics.
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Review for 10.8: This handy app allows easy dismounting and remounting of external drives and volumes. It does the job well. It is bare bones, but unlike similar apps, it also lists unmounted (but powered) external drives, and allows you to remount them — a handy feature that remounts without powering up/down a drive. It also appears to be in development by a responsive, professional developer, who is interested in making it quite multifunctional with feature releases.
I bought the app to support its development. In future releases, Im looking forwards to options that will remount drives upon wake, suspend Time Machine upon dismount and sleep, etc. Such features will allow full integration with backup schedules to external drives and wake/sleep schedules.
slackerofthemind about
Mountain, v1.0.1