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I was stupid and didn't keep a backup of my Minecraft server. Now, it crashed, biomes changed, chunks were moved around, part of my city of gone, an underground chunk was moved aboveground, is there ANY way I can fix this?

I.E. easily move chunks and change biomes.

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2 Answers 2

up vote 9 down vote accepted

They were moved because the map files got corrupt so it reads chunks in an out of place order.

It's like 1 2 3 4 5 6 7 8 9 would turn into 1 0 4 6 7 8 9 0 0, where 0 would be unreadable thus deleted.


Picking a known map editor should allow you to move chunks, they include terrain/forest generators.

And set up an automated back-up solution...

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1  
The only one I could get to work on linux spent about 10 minutes eating up all my RAM just to load a part of the world I had never seen before. My machine slowed to a crawl and I didn't know which way to scroll in the editor because I didn't know which direction my city was. Any other suggestions? –  John the Green Aug 9 '11 at 1:05
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Well most of my city came back when I started it up again. Although there is a chunk of rock sitting in the middle of it. Also, that part the map editor loaded appears to be my new spawn point. Lesson learned, backups made, I'm going to set up a cron job for that. Thanks for your help. –  John the Green Aug 9 '11 at 1:22
    
@John: Best is to just get yourself a small Windows partition (dunno if virtualized graphics will run smooth enough) to fix this on, perhaps on another computer if that's available to you. –  Tom Wijsman Aug 9 '11 at 1:31
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@John Don't get rid of it! Turn it into a shrine and worship it! –  Alex Aug 9 '11 at 16:59
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Just tested. It's definitely modification to the magic rock that breaks it. –  John the Green Aug 10 '11 at 20:24

For anyone still looking for a fix:

  1. Download and open Mcedit
  2. Open your world using this program.
  3. Do Ctrl+I
  4. Click fix regions.
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Care to explain what control+I does? –  John the Green Jan 11 '13 at 20:07

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