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2013 Sep 05
9
btrfs-convert won't convert ext* - No valid Btrfs found on /dev/sdb1
Hello guys, i try to convert ext4 volume, but btrfs-convert show me error:
"No valid Btrfs found on file
unable to open ctree
conversion aborted."
Ubuntu 13.04
Kernel: 3.11
btrfs-progs git version 0.20-git20130822~194aa4a13
way to reproduce error:
$ truncate -s 4G file
$ mkfs.ext4 file #say yes to create fs on non block device.
$ btrfs-convert file
No valid Btrfs found on file
unable