A Minecraft world is more time than people admit. The terraformed hills, the redstone contraption that took three weekends, the village everyone has a house in. The thought of losing that to a stray command or a corrupted file is the quiet fear that hangs over every long-running server. So we built Nebula so you never have to think about it.
Your world lives on persistent storage
First, the foundation. Your world doesn't live inside a throwaway container that vanishes when the server restarts. It sits on persistent storage that's kept separate from the server itself. Stop your server, start it again, move it to a different machine in our cluster, and the world comes back exactly as you left it. The thing your friends built and the thing that runs it are deliberately two different things.
Daily snapshots, taken for you
On top of that foundation, Nebula takes a daily snapshot of your world, automatically, with no action from you. A snapshot is a complete frozen copy of how the world looked at that moment, kept safely apart from the live version. Day by day, you build up a little history of your world you can step back into.
Because snapshots are stored away from the running server, they're safe from the things that go wrong inside it. A plugin that mangles a chunk, a world-edit gone wide, a griefer with bad intentions, a save that corrupts at the worst moment: none of it touches yesterday's snapshot.
One-click rollback
Here's the part that lets you relax. When something goes wrong, you open your server's backups, pick a point in time, and press restore. We bring that snapshot back as the live world. No file downloads, no FTP, no following a forum thread at midnight with your stomach in knots. One click, and the village is standing again.
- Automatic — snapshots happen every day whether or not you remember.
- Separate — they're stored apart from the live world, so a bad day can't reach them.
- Instant — rolling back is a button, not a project.
Why you can relax
Good backups are the difference between a scary afternoon and a lost world. We made them a default rather than a feature you have to find, turn on, and hope you configured right. Keep building the ambitious thing. If the worst happens, yesterday is always one click away.