Scenario:

Removable SATA drives in a caddy, used for back up.

I have two backup disks - one to be kept on the machine, the other off-site and I cycle them weekly. I've written a script to rsync the system onto the backups.

Obviously the two drives have unique UUID's.

Does fstab allow for two UUID's having the same mount point thus:


UUID=2e7c5578-933a-4b09-a89d-14b6be718fe5 /mnt/BACKUP ext4 defaults 0 0
UUID=b007bc41-0280-48d5-b958-9160092e3d44 /mnt/BACKUP ext4 defaults 0 0


Especially given that this machine has three caddies on board, so it's theoretically possible for me to accidentally mount both backup drives simultaneously! Would I be so silly? it's at least possible.

Does anyone know what happens if they both successfully mount?
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