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I am wondering about a possible complication if both users are logged in to the same machine under 'fast user switching' and they both have the same schedule set to run at the same time.
As I said above, the idea of double simultaneous scheduling is to ensure a scheduled backup takes place no matter who is using the machine. But I was thinking only of a single user at a time logged in, while in practice two (or more) users may be logged in.
By accident, I discovered that SuperDuper can run one user's schedule while another user is in front, so long as the first user is also logged in, but behind.
So if two users schedule the same backup, at the same time, what happens when they are both logged in? One schedule runs? Both run? One succeeds? One or both fail?
I'm happy to try the experiment, but I'd appreciate any advice!
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