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I would normally think to exclude /mnt from a system backup then simply remake the empty dir on restoring the system, should the need arise, with mkdir /mnt.

I'm curious however at the directory structure found inside:

ls **
BootInfo:
sdb1  sdb3  sdb4  sdb5

boot-sav:
sdb1  sdb4

All these directories (mount points) are empty.

What is their purpose? Do I need to back them up, or can I just re-create them on system restore, or rather will Ubuntu just recreate them for me if I simply recreate /mnt? What creates them in the first instance?

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I now believe boot-sav is something boot-repair (for fixing uefi boots of Ubuntu) depends on, so I think these mount points must have been created by boot-repair when I ran it, in the course of it probing my partitions. Hence, I think they can safely be deleted, and safely ignored from any backups...

Happy to be corrected by someone who knows more.

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  • Thanks, was wondering were these directories come from. – abu_bua Jul 13 '20 at 16:22

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