Re: overlayfs v22 on kernel 3.15.5

[Miklos Szeredi <miklos@szeredi.hu>]

On Wed, Jul 23, 2014 at 1:57 PM, Klaus Kreil <klaus.kreil@univie.ac.at> wrote:

>> You need to give absolute paths:
>>
>> mount -t overlayfs overlayfs -o
>> lowerdir=/mnt/root_ro,upperdir=/mnt/root_rw/upper,workdir=/mnt/root_rw/work
>> /mnt/root
>>
> Thanks Miklos,
> I had tried that before, but that did not/does not work as well. The new
> command (adjusted to my environment and from within the rescue-shell and
> all within a single line) was:
> # mount -t overlayfs overlayfs -o
> lowerdir=/mnt/root_ro,upperdir=/mnt/root_rw,workdir=/mnt/root_rw/.work
> /mnt/root
>
> The new error message from dmesg now reads:
> [ 1369.069178] overlayfs: workdir and upperdir must be separate subtrees

Exactly. Observe that I used upperdir=/mnt/root_rw/upper.

Thanks,
Miklos