Syncing two HDD drives with Syncthing

hi! I was wondering if there is a way to sync the data from my internal HDD to an external HDD using Syncthing which both the HDD’s are connected to the same laptop?

The short answer is yes.

The long answer is that Syncthing wasn’t designed for that particular use case, so extra effort and care is required to set it up properly.

Syncthing normally syncs data between two or more “devices” (e.g., desktop, laptop, tablet, phone, NAS, etc.). However, since in a multi-user system there might be more than one user running Syncthing at the same time, the same method can be used to accomplish what you’d like to do.

Definitely review the following before attempting it:

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And the obvious solutions for local synchronization are probably much simpler:

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Thank you for your support!

yes I will try these, Thank you.