First Aid Failed.

Started 5 months ago | Discussions thread
Tom_N Forum Pro • Posts: 18,532
Re: First Aid Failed.

lightandaprayer wrote:

ciaran33 wrote:

First Aid in Safe Mode did no good, Onyx seems to work only on the system disk, so I've erased the TM volume and re-set TM to the same place. First Aid gives a clean bill of health, though it does take a while to do so. So that's great, thanks for the suggestions.

A utility that uses S.M.A.R.T. data provides a more comprehensive snapshot of drive health than Disk First Aid. Of course, the drive/enclosure must be S.M.A.R.T. compatible. . .

S.M.A.R.T. data is concerned with monitoring the health of the hardware.  Disk First Aid is concerned with monitoring and repairing file system corruption and permissions settings.

If your drive fails (something that S.M.A.R.T. status may warn you about, in advance), you will lose non-backed-up data.  But if your file system is corrupt, that does not necessarily mean that the drive hardware is going bad.

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