What is the tool for synchronizing data from the central office to remote sites?

Question

linux

Good afternoon.
There is such a task:
Daily from the file storage in the main office to synchronize data with local servers at remote sites. During the day, software is added to the main server (from 1 to 5 GB per day), at night, these changes must be sent to remote servers.
You need to mirror your data set from a central server to different sites.
All Linux servers are connected to the main OVPN server.
Tell me what built-in tools or third-party tools can solve this problem.
(I'm not very familiar with Linux, but I can set up rsync).
Thank you.

Answer 1

Better and easier - lvm snapshot + rsync via ssh.
But you can look at:
www.drbd.org
schoebel.github.io/mars