On 2015-08-17 14:52, Timothy Normand Miller wrote:
I'm not sure if I'm doing this wrong.  Here's what I'm seeing:

# btrfs-image -c9 -t4 -w /mnt/btrfs ~/btrfs_dump.z
Superblock bytenr is larger than device size
Open ctree failed
create failed (No such file or directory)

For the source, you need to specify the underlying block device, not the top of the mounted filesystem. It's trying to read the directory as a block device and getting very confused. We should probably add some kind of check to btrfs-image to warn about that.


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