On Tue, Aug 18, 2015 at 5:21 AM, Austin S Hemmelgarn <ahferro...@gmail.com> wrote: > 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.
Should it even be possible to use btrfs-image on a mounted volume? If it's written to at all, the collected image is going to be inconsistent. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
