Re: [BUG] Cannot Mount Btrfs Volume Created By mkfs.btrfs v0.18-26-g0030f1d

Chris Mason
2009-06-11T13:01:15Z

On Thu, Jun 11, 2009 at 03:48:04PM +0300, Tarkan Erimer wrote:
> Hi,
>
> I try to format a USB memory with a Btrfs. I can format it with
> mkfs.btrfs without problems. But; when I try to mount it, it fails to
> mount with the below error messages. But the USB memory works fine with
> other filesystems (ext4, XFS etc.). So, the hardware is not faulty.

>
>
> tarkane@tarkane:~$ sudo mkfs.btrfs -d single -n 4096 /dev/sdb1
>
> WARNING! - Btrfs v0.18-26-g0030f1d IS EXPERIMENTAL
> WARNING! - see http://btrfs.wiki.kernel.org before using

Where did your btrfs-progs come from? You're using the latest and great
utilities that create a new disk format. You can find the new disk in
the newformat2 branch of btrfs-unstable kernel repo.

(v0.19 will be released with this today).

-chris