I’m duplicating my server hardware and moving the second set off site. I want to keep the data live since the whole system will be load balanced with my on site system. I’ve contemplated tools like syncthing to make a 1 to 1 copy of the data to NAS B but i know there has to be a better way. What have you used successfully?
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Rsync over FTP. i use it for a weekly nextcloud backup to a hetzner storage box
I suggest to use sftp/ssh with rsync instead. Much more secure then FTP.
Rescuezilla
Rsync and rclone are the best options as mentioned in other comments. If you want to get real-time with it, and the previous cron-based solutions aren’t what you want, look at the myriad of FOSS distributed filesystems out there. Plenty of live filesystems you can run on any Linux-based storage system.
I think the better question would be: what are you trying to achieve? Live replica set of all data in two places at the same time, or a solid backup of your data you can swap to if needed? I’d recommend the rsync/rclone route, and VPN from the primary data set whenever you need, with the safety of having your standby ready to swap out to whenever needed if the primary fails.
Just have NAS A send a rocket with the data to NAS B.
- rsync + basic scripting for periodic sync, or
- distributed/replicated filesystems for real-time sync (I would start with Ceph)
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:
Fewer Letters More Letters NAS Network-Attached Storage SSH Secure Shell for remote terminal access VPN Virtual Private Network ZFS Solaris/Linux filesystem focusing on data integrity
4 acronyms in this thread; the most compressed thread commented on today has 5 acronyms.
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