On Nov 29, 2019, at 12:04 PM, Bill Rising <[email protected]> wrote: > I updated my laptop to Catalina, and now I'm having trouble with (at least > one) of my external backup drives. After mounting fine once, the drive now > asks for passwords (it has encrypted volumes), accepts the passwords, but > does not mount the drives. If I pull the drive out and put it back in, I get > a message that the drive needs to be reformatted. [1] > > The drive is an apfs drive with multiple volumes. > > Has anyone seen this behavior, and, if so, was there a fix which did not > require reformatting? > > While I've tried googling, I've not hit on the proper combination of search > terms to find anything useful.
I don’t know why you’re seeing thus problem. But this brings up a problem with Apple: there’s far too little documentation about APFS out there. It still seems like a work in progress. No Time Machine support. Limited support for fusion drives. Questions about hard/soft links between containers. Terrible performance on spinners. When it first came out, I thought it was similar to Linux EXT4, which is really nice, but it seems less so the more I learn about it. L^2 ---- Lee Larson [email protected] Others, one suspects, are afraid that the crossing of space, and above all contact with intelligent but nonhuman races, may destroy the foundations of their religious faith. They may be right, but in any event their attitude is one which does not bear logical examination — for a faith which cannot survive collision with the truth is not worth many regrets. — Arthur C. Clarke The Exploration of Space
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