How to format spare disk space to btrfs filesystem? I can't see btrfs in format dialog neither in gparted, nor in Disk Utility. Only Fat,ext2,ext3,ext4 etc.


It may be because btrfs is not really stable yet. So I guess the GUI tools do not support it yet, and you will have to use command line tools if you want to use it.

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    Now GParted does support BTRFS after installing btrfs-tools. – Takkat Apr 2 '13 at 8:19

You might need to install the package btrfs-tools Install btrfs-tools. This should enable integration with gparted and etc.

  • It was already installed. Still no option for btrfs... – Extender Oct 31 '10 at 7:04
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    Odd. I will do some digging. Perhaps you might just need to use the command line tools. Just make a blank partition with something like cfdisk and then use mkfs.btrfs to create the filesystem. – NightwishFan Oct 31 '10 at 7:20
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    Ubuntu's GParted seems to be missing btrfs support. This might be a bug and will definitely be fixed with GParted 0.7.0: bugzilla.gnome.org/show_bug.cgi?id=571170 – htorque Oct 31 '10 at 14:27
  • That probably should have been the answer htorque. :) – NightwishFan Oct 31 '10 at 18:33
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    Yea, I confirm BTrFS support for everything but shrink and grow in Gparted 0.7.1. – bumbling fool Feb 9 '11 at 20:28

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