I have 2 portable hard drives. I want to use one as the main and the second as backup. The backup drive already has other data stored on it which needs to remain there. I need to mirror the main onto the backup at regular intervals. What is the best way to do this?
My concern is when making changes to files on the main drive. If I copy them onto the backup drive will it overwrite the existing files if the names are the same? And if I delete files on the main drive and copy onto the backup drive will it delete those on the backup?
Edited: changed storage
My concern is when making changes to files on the main drive. If I copy them onto the backup drive will it overwrite the existing files if the names are the same? And if I delete files on the main drive and copy onto the backup drive will it delete those on the backup?
Edited: changed storage
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