GParted 0.16.1

Libparted 3.1

Format /dev/sdh3 as btrfs  00:00:01    ( ERROR )
    
calibrate /dev/sdh3  00:00:00    ( SUCCESS )
    
path: /dev/sdh3
start: 30740480
end: 31264767
size: 524288 (256.00 MiB)
clear old file system signatures in /dev/sdh3  00:00:00    ( SUCCESS )
    
clear primary signatures  00:00:00    ( SUCCESS )
    
wrote 68.00 KiB of zeros at byte offset 0
clear secondary signatures  00:00:00    ( SUCCESS )
    
wrote 4.00 KiB of zeros at byte offset 268431360
flush operating system cache of /dev/sdh  00:00:00    ( SUCCESS )
set partition type on /dev/sdh3  00:00:01    ( SUCCESS )
    
new partition type: ext2
create new btrfs file system  00:00:00    ( ERROR )
    
mkfs.btrfs -L "" /dev/sdh3
    

WARNING! - Btrfs v0.20-rc1-253-g7854c8b IS EXPERIMENTAL
WARNING! - see http://btrfs.wiki.kernel.org before using

/dev/sdh3 appears to contain an existing filesystem (btrfs).
Use the -f option to force overwrite.

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