#2 Prevent overwriting already catalogued disk info

[Anonymous]

Use case:
We have catalogued disk under the name "Disk1".
After that we change the disk and trying to catalogue different disk under the same name.

Problem:
Without any warning all data about previous disk is lost.

Possible solution:
To ask user whether he sure to re-catalogue disk under same name.
Or add the extra command line option allowing to overwrite catalog data and disallow to overwrite by default.