On Mon, 16 Feb 2026 at 17:51, Zoë Kron <[email protected]> wrote:

> ===
>  Now for the last puzzle. If I have a e.g. 2 TB MariaDB Folder. I take a 
> Snapshot with LVM.
> This is only local. How can this be synced onto a remote?
>
> If I tar.gz the whole Snapshot I effectively need about the same size to be 
> able to sync it off.
> Which for one or two TB is not the end of the world. For a 100 TB Datadir 
> this is not good
> anymore.
>
> What is the last puzzle-piece? Do you use restic? rsync? rclone? Incremental 
> sync?

rclone won't patch files, it will transfer the whole files.
At best you can achieve what rsync does, in the sense that you will
probably have to read 100% of the local and remote, and depending on
whether you have rsync on the remote, you may or may not have to
transfer the whole thing.
To do better than that you will need ZFS.

The only truly incremental alternative is archiving binlogs, but then
you'll have to replay the binlogs from the last bull backup which can
take hours or days dependong on what your write throughput looks like.

-- 
Gordan Bobic
Database Specialist, Shattered Silicon Ltd.
https://shatteredsilicon.net
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