Roberto Alfieri rebtoor

## btrfs-guide.md

      
        
          
            
              
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                MaxXor
                / btrfs-guide.md
            
            
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              May 5, 2024 10:00
            
              
                Btrfs guide to set up an LUKS-encrypted btrfs raid volume with included maintenance & recovery guide
              
          
        
      
        
  
      
    Encrypted Btrfs storage setup and maintenance guide

Initial setup with LUKS/dm-crypt

This exemplary initial setup uses two devices /dev/sdb and /dev/sdc but can be applied to any amount of devices by following the steps with additional devices.
Create keyfile:
dd bs=64 count=1 if=/dev/urandom of=/etc/cryptkey iflag=fullblock
chmod 600 /etc/cryptkey