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The initial reason reason for installing BTRFS was that I like the zfs features of snapshots, compression and deduplication. Deduplication under btrfs is possible but somehow external and I don’t trust it until I was able to trash my system here. See here on how to do it and I will give it a try with a test system soon. But compression my second important thing is working fine and is super easy. All I did was to enable the compression flag under /etc/fstab and all newly created data will be compressed. On how the compression works please refer to here. I edited the fstab to look like following: vi /etc/fstab UUID=f4705516-4eac-435c-920c-1f2be8fa07af /               btrfs   defaults,autodefrag,discard,clear_cache,compress=lzo,subvol=@ 0       1 UUID=f4705516-4eac-435c-920c-1f2be8fa07af /home btrfs defaults,autodefrag,discard,clear_cache,compress=lzo,subvol=@home 0 2 After a loads of updates and other messy stuff, it looks like the following. # df -h / […]

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